./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:25:19,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:25:19,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 16:25:19,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:25:19,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:25:19,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:25:19,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:25:19,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:25:19,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:25:19,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:25:19,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:25:19,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:25:19,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:25:19,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:25:19,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:25:19,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:25:19,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:25:19,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:25:19,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:25:19,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:25:19,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:25:19,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:25:19,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:25:19,261 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2024-11-13 16:25:19,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:25:19,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:25:19,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:25:19,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:25:19,618 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:25:19,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i Unable to find full path for "g++" [2024-11-13 16:25:21,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:25:21,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:25:21,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2024-11-13 16:25:21,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/data/b18a6c262/db608c924a434fa89a2e29664de54564/FLAG16df79bb4 [2024-11-13 16:25:21,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/data/b18a6c262/db608c924a434fa89a2e29664de54564 [2024-11-13 16:25:21,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:25:21,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:25:21,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:25:21,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:25:21,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:25:21,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:25:21" (1/1) ... [2024-11-13 16:25:21,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70466c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:21, skipping insertion in model container [2024-11-13 16:25:21,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:25:21" (1/1) ... [2024-11-13 16:25:22,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:25:22,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:22,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:25:22,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:22,658 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:25:22,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22 WrapperNode [2024-11-13 16:25:22,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:25:22,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:25:22,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:25:22,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:25:22,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,726 INFO L138 Inliner]: procedures = 268, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-11-13 16:25:22,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:25:22,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:25:22,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:25:22,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:25:22,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:25:22,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:25:22,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:25:22,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:25:22,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (1/1) ... [2024-11-13 16:25:22,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:25:22,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:22,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:25:22,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:25:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 16:25:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 16:25:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:25:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 16:25:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:25:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 16:25:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 16:25:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:25:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:25:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:25:22,854 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:25:23,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:25:23,026 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:25:23,291 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:25:23,291 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:25:23,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:25:23,331 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:25:23,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:23 BoogieIcfgContainer [2024-11-13 16:25:23,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:25:23,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:25:23,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:25:23,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:25:23,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:25:21" (1/3) ... [2024-11-13 16:25:23,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671fda87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:25:23, skipping insertion in model container [2024-11-13 16:25:23,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:22" (2/3) ... [2024-11-13 16:25:23,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671fda87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:25:23, skipping insertion in model container [2024-11-13 16:25:23,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:23" (3/3) ... [2024-11-13 16:25:23,344 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2024-11-13 16:25:23,361 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:25:23,362 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_11-equ_nr.i that has 2 procedures, 94 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 16:25:23,363 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:25:23,449 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 16:25:23,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 95 transitions, 194 flow [2024-11-13 16:25:23,616 INFO L124 PetriNetUnfolderBase]: 1/97 cut-off events. [2024-11-13 16:25:23,619 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:25:23,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 97 events. 1/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2024-11-13 16:25:23,629 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 95 transitions, 194 flow [2024-11-13 16:25:23,633 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 92 transitions, 187 flow [2024-11-13 16:25:23,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:25:23,662 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d963629, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:25:23,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 16:25:23,704 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:25:23,704 INFO L124 PetriNetUnfolderBase]: 1/76 cut-off events. [2024-11-13 16:25:23,704 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:25:23,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:23,705 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:23,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:23,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:23,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1695519057, now seen corresponding path program 1 times [2024-11-13 16:25:23,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:23,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462207308] [2024-11-13 16:25:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:23,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:25,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:25,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462207308] [2024-11-13 16:25:25,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462207308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:25,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:25,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:25,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476665882] [2024-11-13 16:25:25,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:25,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:25,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:25,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:25,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 95 [2024-11-13 16:25:25,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:25,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:25,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 95 [2024-11-13 16:25:25,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:25,604 INFO L124 PetriNetUnfolderBase]: 79/339 cut-off events. [2024-11-13 16:25:25,605 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 16:25:25,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 339 events. 79/339 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1409 event pairs, 25 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2024-11-13 16:25:25,608 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 21 selfloop transitions, 22 changer transitions 4/121 dead transitions. [2024-11-13 16:25:25,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 121 transitions, 339 flow [2024-11-13 16:25:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:25:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 510 transitions. [2024-11-13 16:25:25,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2024-11-13 16:25:25,631 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 187 flow. Second operand 6 states and 510 transitions. [2024-11-13 16:25:25,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 121 transitions, 339 flow [2024-11-13 16:25:25,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 121 transitions, 338 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:25:25,645 INFO L231 Difference]: Finished difference. Result has 104 places, 113 transitions, 336 flow [2024-11-13 16:25:25,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=336, PETRI_PLACES=104, PETRI_TRANSITIONS=113} [2024-11-13 16:25:25,653 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 9 predicate places. [2024-11-13 16:25:25,654 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 113 transitions, 336 flow [2024-11-13 16:25:25,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:25,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:25,655 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:25,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:25:25,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:25,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:25,657 INFO L85 PathProgramCache]: Analyzing trace with hash -804796801, now seen corresponding path program 1 times [2024-11-13 16:25:25,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:25,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591234007] [2024-11-13 16:25:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:25,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:26,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:26,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591234007] [2024-11-13 16:25:26,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591234007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:26,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:26,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:26,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620716508] [2024-11-13 16:25:26,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:26,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:26,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:26,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:26,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:26,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 95 [2024-11-13 16:25:26,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 113 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:26,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:26,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 95 [2024-11-13 16:25:26,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:26,554 INFO L124 PetriNetUnfolderBase]: 132/472 cut-off events. [2024-11-13 16:25:26,554 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2024-11-13 16:25:26,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 472 events. 132/472 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2218 event pairs, 31 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2024-11-13 16:25:26,559 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 39 selfloop transitions, 29 changer transitions 7/148 dead transitions. [2024-11-13 16:25:26,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 148 transitions, 626 flow [2024-11-13 16:25:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:25:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 495 transitions. [2024-11-13 16:25:26,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2024-11-13 16:25:26,562 INFO L175 Difference]: Start difference. First operand has 104 places, 113 transitions, 336 flow. Second operand 6 states and 495 transitions. [2024-11-13 16:25:26,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 148 transitions, 626 flow [2024-11-13 16:25:26,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 148 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:25:26,569 INFO L231 Difference]: Finished difference. Result has 114 places, 137 transitions, 590 flow [2024-11-13 16:25:26,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=590, PETRI_PLACES=114, PETRI_TRANSITIONS=137} [2024-11-13 16:25:26,570 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 19 predicate places. [2024-11-13 16:25:26,570 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 137 transitions, 590 flow [2024-11-13 16:25:26,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:26,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:26,571 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:26,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:25:26,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:26,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:26,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1992948436, now seen corresponding path program 1 times [2024-11-13 16:25:26,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:26,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213919660] [2024-11-13 16:25:26,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:26,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:27,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:27,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213919660] [2024-11-13 16:25:27,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213919660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:27,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:27,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:25:27,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127948046] [2024-11-13 16:25:27,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:27,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:25:27,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:27,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:25:27,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:25:27,673 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 95 [2024-11-13 16:25:27,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 137 transitions, 590 flow. Second operand has 7 states, 7 states have (on average 79.85714285714286) internal successors, (559), 7 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:27,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:27,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 95 [2024-11-13 16:25:27,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:27,852 INFO L124 PetriNetUnfolderBase]: 88/436 cut-off events. [2024-11-13 16:25:27,853 INFO L125 PetriNetUnfolderBase]: For 192/196 co-relation queries the response was YES. [2024-11-13 16:25:27,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 436 events. 88/436 cut-off events. For 192/196 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2123 event pairs, 10 based on Foata normal form. 2/434 useless extension candidates. Maximal degree in co-relation 834. Up to 83 conditions per place. [2024-11-13 16:25:27,856 INFO L140 encePairwiseOnDemand]: 86/95 looper letters, 15 selfloop transitions, 1 changer transitions 14/146 dead transitions. [2024-11-13 16:25:27,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 146 transitions, 662 flow [2024-11-13 16:25:27,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:25:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 16:25:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 574 transitions. [2024-11-13 16:25:27,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8631578947368421 [2024-11-13 16:25:27,859 INFO L175 Difference]: Start difference. First operand has 114 places, 137 transitions, 590 flow. Second operand 7 states and 574 transitions. [2024-11-13 16:25:27,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 146 transitions, 662 flow [2024-11-13 16:25:27,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 146 transitions, 644 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-13 16:25:27,870 INFO L231 Difference]: Finished difference. Result has 124 places, 132 transitions, 584 flow [2024-11-13 16:25:27,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=584, PETRI_PLACES=124, PETRI_TRANSITIONS=132} [2024-11-13 16:25:27,871 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 29 predicate places. [2024-11-13 16:25:27,871 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 132 transitions, 584 flow [2024-11-13 16:25:27,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 79.85714285714286) internal successors, (559), 7 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:27,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:27,872 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:27,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:25:27,872 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:27,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:27,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1760898354, now seen corresponding path program 1 times [2024-11-13 16:25:27,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:27,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526089556] [2024-11-13 16:25:27,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:27,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:28,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:28,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526089556] [2024-11-13 16:25:28,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526089556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:28,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:28,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:25:28,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796915750] [2024-11-13 16:25:28,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:28,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:25:28,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:28,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:25:28,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:25:29,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2024-11-13 16:25:29,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 132 transitions, 584 flow. Second operand has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:29,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:29,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2024-11-13 16:25:29,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:29,921 INFO L124 PetriNetUnfolderBase]: 133/467 cut-off events. [2024-11-13 16:25:29,921 INFO L125 PetriNetUnfolderBase]: For 453/453 co-relation queries the response was YES. [2024-11-13 16:25:29,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 467 events. 133/467 cut-off events. For 453/453 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2219 event pairs, 24 based on Foata normal form. 11/475 useless extension candidates. Maximal degree in co-relation 1412. Up to 89 conditions per place. [2024-11-13 16:25:29,925 INFO L140 encePairwiseOnDemand]: 83/95 looper letters, 62 selfloop transitions, 32 changer transitions 25/183 dead transitions. [2024-11-13 16:25:29,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 183 transitions, 1140 flow [2024-11-13 16:25:29,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:25:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 16:25:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 824 transitions. [2024-11-13 16:25:29,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7885167464114833 [2024-11-13 16:25:29,928 INFO L175 Difference]: Start difference. First operand has 124 places, 132 transitions, 584 flow. Second operand 11 states and 824 transitions. [2024-11-13 16:25:29,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 183 transitions, 1140 flow [2024-11-13 16:25:29,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 183 transitions, 1111 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-13 16:25:29,937 INFO L231 Difference]: Finished difference. Result has 128 places, 133 transitions, 688 flow [2024-11-13 16:25:29,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=688, PETRI_PLACES=128, PETRI_TRANSITIONS=133} [2024-11-13 16:25:29,938 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 33 predicate places. [2024-11-13 16:25:29,938 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 133 transitions, 688 flow [2024-11-13 16:25:29,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:29,939 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:29,939 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:29,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:25:29,939 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:29,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:29,940 INFO L85 PathProgramCache]: Analyzing trace with hash 336304918, now seen corresponding path program 1 times [2024-11-13 16:25:29,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:29,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705963438] [2024-11-13 16:25:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:30,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:30,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705963438] [2024-11-13 16:25:30,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705963438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:30,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:30,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:25:30,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089016753] [2024-11-13 16:25:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:30,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:25:30,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:25:30,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:25:31,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2024-11-13 16:25:31,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 133 transitions, 688 flow. Second operand has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:31,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:31,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2024-11-13 16:25:31,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:31,574 INFO L124 PetriNetUnfolderBase]: 107/401 cut-off events. [2024-11-13 16:25:31,574 INFO L125 PetriNetUnfolderBase]: For 700/727 co-relation queries the response was YES. [2024-11-13 16:25:31,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 401 events. 107/401 cut-off events. For 700/727 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1766 event pairs, 22 based on Foata normal form. 16/415 useless extension candidates. Maximal degree in co-relation 1372. Up to 86 conditions per place. [2024-11-13 16:25:31,578 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 45 selfloop transitions, 28 changer transitions 33/163 dead transitions. [2024-11-13 16:25:31,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 163 transitions, 1168 flow [2024-11-13 16:25:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:25:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 16:25:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 742 transitions. [2024-11-13 16:25:31,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7810526315789473 [2024-11-13 16:25:31,581 INFO L175 Difference]: Start difference. First operand has 128 places, 133 transitions, 688 flow. Second operand 10 states and 742 transitions. [2024-11-13 16:25:31,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 163 transitions, 1168 flow [2024-11-13 16:25:31,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 163 transitions, 1118 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-13 16:25:31,593 INFO L231 Difference]: Finished difference. Result has 128 places, 114 transitions, 574 flow [2024-11-13 16:25:31,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=574, PETRI_PLACES=128, PETRI_TRANSITIONS=114} [2024-11-13 16:25:31,595 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 33 predicate places. [2024-11-13 16:25:31,595 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 114 transitions, 574 flow [2024-11-13 16:25:31,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:31,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:31,596 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:31,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:25:31,596 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:31,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:31,597 INFO L85 PathProgramCache]: Analyzing trace with hash 39339651, now seen corresponding path program 1 times [2024-11-13 16:25:31,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:31,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536456454] [2024-11-13 16:25:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:31,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:32,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:32,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536456454] [2024-11-13 16:25:32,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536456454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:32,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:32,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:25:32,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556259370] [2024-11-13 16:25:32,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:32,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:25:32,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:32,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:25:32,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:25:33,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2024-11-13 16:25:33,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 114 transitions, 574 flow. Second operand has 11 states, 11 states have (on average 71.0909090909091) internal successors, (782), 11 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:33,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:33,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2024-11-13 16:25:33,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:33,459 INFO L124 PetriNetUnfolderBase]: 50/229 cut-off events. [2024-11-13 16:25:33,459 INFO L125 PetriNetUnfolderBase]: For 491/500 co-relation queries the response was YES. [2024-11-13 16:25:33,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 229 events. 50/229 cut-off events. For 491/500 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 686 event pairs, 12 based on Foata normal form. 10/237 useless extension candidates. Maximal degree in co-relation 781. Up to 40 conditions per place. [2024-11-13 16:25:33,461 INFO L140 encePairwiseOnDemand]: 85/95 looper letters, 37 selfloop transitions, 17 changer transitions 21/135 dead transitions. [2024-11-13 16:25:33,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 135 transitions, 868 flow [2024-11-13 16:25:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:25:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 16:25:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 805 transitions. [2024-11-13 16:25:33,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7703349282296651 [2024-11-13 16:25:33,465 INFO L175 Difference]: Start difference. First operand has 128 places, 114 transitions, 574 flow. Second operand 11 states and 805 transitions. [2024-11-13 16:25:33,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 135 transitions, 868 flow [2024-11-13 16:25:33,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 135 transitions, 753 flow, removed 5 selfloop flow, removed 12 redundant places. [2024-11-13 16:25:33,473 INFO L231 Difference]: Finished difference. Result has 121 places, 104 transitions, 445 flow [2024-11-13 16:25:33,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=445, PETRI_PLACES=121, PETRI_TRANSITIONS=104} [2024-11-13 16:25:33,474 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 26 predicate places. [2024-11-13 16:25:33,475 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 104 transitions, 445 flow [2024-11-13 16:25:33,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 71.0909090909091) internal successors, (782), 11 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:33,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:33,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:33,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:25:33,476 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:33,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:33,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1822567705, now seen corresponding path program 2 times [2024-11-13 16:25:33,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:33,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71352831] [2024-11-13 16:25:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:33,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:34,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:34,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71352831] [2024-11-13 16:25:34,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71352831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:34,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:34,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:25:34,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947427049] [2024-11-13 16:25:34,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:34,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:25:34,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:34,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:25:34,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:25:34,944 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2024-11-13 16:25:34,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 104 transitions, 445 flow. Second operand has 11 states, 11 states have (on average 71.0909090909091) internal successors, (782), 11 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:34,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:34,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2024-11-13 16:25:34,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:35,320 INFO L124 PetriNetUnfolderBase]: 37/200 cut-off events. [2024-11-13 16:25:35,320 INFO L125 PetriNetUnfolderBase]: For 348/353 co-relation queries the response was YES. [2024-11-13 16:25:35,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 200 events. 37/200 cut-off events. For 348/353 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 548 event pairs, 12 based on Foata normal form. 6/204 useless extension candidates. Maximal degree in co-relation 617. Up to 36 conditions per place. [2024-11-13 16:25:35,322 INFO L140 encePairwiseOnDemand]: 85/95 looper letters, 25 selfloop transitions, 9 changer transitions 29/122 dead transitions. [2024-11-13 16:25:35,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 122 transitions, 673 flow [2024-11-13 16:25:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:25:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 16:25:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 872 transitions. [2024-11-13 16:25:35,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7649122807017544 [2024-11-13 16:25:35,325 INFO L175 Difference]: Start difference. First operand has 121 places, 104 transitions, 445 flow. Second operand 12 states and 872 transitions. [2024-11-13 16:25:35,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 122 transitions, 673 flow [2024-11-13 16:25:35,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 122 transitions, 630 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-13 16:25:35,331 INFO L231 Difference]: Finished difference. Result has 122 places, 90 transitions, 319 flow [2024-11-13 16:25:35,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=319, PETRI_PLACES=122, PETRI_TRANSITIONS=90} [2024-11-13 16:25:35,332 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 27 predicate places. [2024-11-13 16:25:35,332 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 90 transitions, 319 flow [2024-11-13 16:25:35,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 71.0909090909091) internal successors, (782), 11 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:35,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:35,333 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:35,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:25:35,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 16:25:35,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:35,334 INFO L85 PathProgramCache]: Analyzing trace with hash 644018271, now seen corresponding path program 3 times [2024-11-13 16:25:35,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:35,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049708034] [2024-11-13 16:25:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:35,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:35,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049708034] [2024-11-13 16:25:35,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049708034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:35,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:35,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:25:35,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135053992] [2024-11-13 16:25:35,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:35,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:25:35,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:35,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:25:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:25:36,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2024-11-13 16:25:36,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 90 transitions, 319 flow. Second operand has 11 states, 11 states have (on average 71.0909090909091) internal successors, (782), 11 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:36,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:36,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2024-11-13 16:25:36,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:36,789 INFO L124 PetriNetUnfolderBase]: 17/143 cut-off events. [2024-11-13 16:25:36,789 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2024-11-13 16:25:36,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 143 events. 17/143 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 282 event pairs, 12 based on Foata normal form. 2/143 useless extension candidates. Maximal degree in co-relation 338. Up to 34 conditions per place. [2024-11-13 16:25:36,790 INFO L140 encePairwiseOnDemand]: 85/95 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2024-11-13 16:25:36,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 94 transitions, 411 flow [2024-11-13 16:25:36,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:25:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 16:25:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 787 transitions. [2024-11-13 16:25:36,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75311004784689 [2024-11-13 16:25:36,793 INFO L175 Difference]: Start difference. First operand has 122 places, 90 transitions, 319 flow. Second operand 11 states and 787 transitions. [2024-11-13 16:25:36,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 94 transitions, 411 flow [2024-11-13 16:25:36,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 94 transitions, 366 flow, removed 7 selfloop flow, removed 14 redundant places. [2024-11-13 16:25:36,796 INFO L231 Difference]: Finished difference. Result has 108 places, 0 transitions, 0 flow [2024-11-13 16:25:36,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=108, PETRI_TRANSITIONS=0} [2024-11-13 16:25:36,797 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 13 predicate places. [2024-11-13 16:25:36,799 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 0 transitions, 0 flow [2024-11-13 16:25:36,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 71.0909090909091) internal successors, (782), 11 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:36,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-13 16:25:36,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-13 16:25:36,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-13 16:25:36,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-13 16:25:36,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:25:36,805 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-13 16:25:36,814 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:25:36,814 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:25:36,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:25:36 BasicIcfg [2024-11-13 16:25:36,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:25:36,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:25:36,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:25:36,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:25:36,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:23" (3/4) ... [2024-11-13 16:25:36,828 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:25:36,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 16:25:36,842 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 16:25:36,842 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:25:36,843 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:25:36,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:25:36,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:25:36,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:25:36,927 INFO L158 Benchmark]: Toolchain (without parser) took 14937.47ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.6MB in the beginning and 314.0MB in the end (delta: -222.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-13 16:25:36,928 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:25:36,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.39ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 63.4MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:25:36,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.83ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 61.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:25:36,929 INFO L158 Benchmark]: Boogie Preprocessor took 48.35ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 60.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:25:36,929 INFO L158 Benchmark]: RCFGBuilder took 551.58ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 44.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:25:36,929 INFO L158 Benchmark]: TraceAbstraction took 13490.10ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 43.4MB in the beginning and 318.3MB in the end (delta: -274.9MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. [2024-11-13 16:25:36,930 INFO L158 Benchmark]: Witness Printer took 101.39ms. Allocated memory is still 352.3MB. Free memory was 318.3MB in the beginning and 314.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:25:36,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.39ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 63.4MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.83ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 61.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.35ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 60.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.58ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 44.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13490.10ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 43.4MB in the beginning and 318.3MB in the end (delta: -274.9MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. * Witness Printer took 101.39ms. Allocated memory is still 352.3MB. Free memory was 318.3MB in the beginning and 314.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2334 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1885 mSDsluCounter, 2251 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2143 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5784 IncrementalHoareTripleChecker+Invalid, 5888 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 108 mSDtfsCounter, 5784 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=4, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 569 NumberOfCodeBlocks, 569 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 3058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:25:36,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7c0549-93d1-4462-a145-8e76c38017b8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE