./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.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_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/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_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/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_28f21c09-8f1c-48fe-96a1-3886eae7d790/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 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:10:27,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:10:27,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:10:27,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:10:27,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:10:27,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:10:27,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:10:27,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:10:27,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:10:27,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:10:27,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:10:27,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:10:27,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:10:27,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:10:27,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:10:27,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:10:27,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:10:27,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:10:27,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:10:27,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:10:27,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:10:27,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:10:27,280 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:10:27,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:10:27,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:10:27,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:10:27,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:10:27,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:10:27,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:10:27,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:10:27,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:10:27,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:10:27,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:10:27,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:10:27,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:10:27,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:10:27,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:10:27,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:10:27,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:10:27,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:10:27,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:10:27,283 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_28f21c09-8f1c-48fe-96a1-3886eae7d790/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 -> 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 [2024-11-13 14:10:27,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:10:27,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:10:27,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:10:27,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:10:27,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:10:27,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i Unable to find full path for "g++" [2024-11-13 14:10:29,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:10:30,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:10:30,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2024-11-13 14:10:30,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/data/405f9930f/e470d7e4f06849038aedc3da75c3a96f/FLAG348fd956c [2024-11-13 14:10:30,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/data/405f9930f/e470d7e4f06849038aedc3da75c3a96f [2024-11-13 14:10:30,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:10:30,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:10:30,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:10:30,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:10:30,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:10:30,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:10:30" (1/1) ... [2024-11-13 14:10:30,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e83053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:30, skipping insertion in model container [2024-11-13 14:10:30,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:10:30" (1/1) ... [2024-11-13 14:10:30,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:10:30,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:10:31,012 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:10:31,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:10:31,114 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:10:31,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31 WrapperNode [2024-11-13 14:10:31,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:10:31,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:10:31,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:10:31,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:10:31,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,201 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 279 [2024-11-13 14:10:31,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:10:31,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:10:31,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:10:31,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:10:31,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:10:31,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:10:31,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:10:31,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:10:31,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (1/1) ... [2024-11-13 14:10:31,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:10:31,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:31,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:10:31,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-13 14:10:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 14:10:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:10:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:10:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:10:31,356 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 14:10:31,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:10:31,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:10:32,499 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:10:32,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:10:33,077 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:10:33,077 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:10:33,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:10:33 BoogieIcfgContainer [2024-11-13 14:10:33,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:10:33,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:10:33,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:10:33,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:10:33,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:10:30" (1/3) ... [2024-11-13 14:10:33,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b2312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:10:33, skipping insertion in model container [2024-11-13 14:10:33,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:31" (2/3) ... [2024-11-13 14:10:33,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b2312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:10:33, skipping insertion in model container [2024-11-13 14:10:33,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:10:33" (3/3) ... [2024-11-13 14:10:33,092 INFO L112 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2024-11-13 14:10:33,114 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:10:33,117 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 34_double_lock_p2_vs.i that has 3 procedures, 98 locations, 1 initial locations, 2 loop locations, and 26 error locations. [2024-11-13 14:10:33,118 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:10:33,244 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 14:10:33,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 105 transitions, 218 flow [2024-11-13 14:10:33,398 INFO L124 PetriNetUnfolderBase]: 8/113 cut-off events. [2024-11-13 14:10:33,401 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:10:33,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 113 events. 8/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 302 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 95. Up to 4 conditions per place. [2024-11-13 14:10:33,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 105 transitions, 218 flow [2024-11-13 14:10:33,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 104 transitions, 215 flow [2024-11-13 14:10:33,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:10:33,452 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;@25398889, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:10:33,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-13 14:10:33,470 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:10:33,470 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2024-11-13 14:10:33,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:10:33,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:33,473 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] [2024-11-13 14:10:33,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-13 14:10:33,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:33,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1688625529, now seen corresponding path program 1 times [2024-11-13 14:10:33,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:33,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381972081] [2024-11-13 14:10:33,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:34,245 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 14:10:34,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:34,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381972081] [2024-11-13 14:10:34,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381972081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:34,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:34,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:10:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133949084] [2024-11-13 14:10:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:34,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:10:34,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:34,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:10:34,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:10:34,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 105 [2024-11-13 14:10:34,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 104 transitions, 215 flow. Second operand has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 14:10:34,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:10:34,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 105 [2024-11-13 14:10:34,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:10:34,564 INFO L124 PetriNetUnfolderBase]: 54/206 cut-off events. [2024-11-13 14:10:34,564 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 14:10:34,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 206 events. 54/206 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 795 event pairs, 35 based on Foata normal form. 76/254 useless extension candidates. Maximal degree in co-relation 287. Up to 95 conditions per place. [2024-11-13 14:10:34,568 INFO L140 encePairwiseOnDemand]: 75/105 looper letters, 14 selfloop transitions, 0 changer transitions 0/67 dead transitions. [2024-11-13 14:10:34,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 67 transitions, 169 flow [2024-11-13 14:10:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:10:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 14:10:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 164 transitions. [2024-11-13 14:10:34,589 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.780952380952381 [2024-11-13 14:10:34,592 INFO L175 Difference]: Start difference. First operand has 103 places, 104 transitions, 215 flow. Second operand 2 states and 164 transitions. [2024-11-13 14:10:34,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 67 transitions, 169 flow [2024-11-13 14:10:34,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 67 transitions, 168 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:10:34,601 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 140 flow [2024-11-13 14:10:34,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2024-11-13 14:10:34,610 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -33 predicate places. [2024-11-13 14:10:34,611 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 140 flow [2024-11-13 14:10:34,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 14:10:34,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:34,611 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] [2024-11-13 14:10:34,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:10:34,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-13 14:10:34,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash -728474563, now seen corresponding path program 1 times [2024-11-13 14:10:34,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:34,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754177466] [2024-11-13 14:10:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:34,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:34,739 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 14:10:34,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:34,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754177466] [2024-11-13 14:10:34,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754177466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:34,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:34,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:10:34,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23554107] [2024-11-13 14:10:34,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:34,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:10:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:34,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:10:34,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:10:34,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 105 [2024-11-13 14:10:34,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 14:10:34,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:10:34,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 105 [2024-11-13 14:10:34,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:10:35,046 INFO L124 PetriNetUnfolderBase]: 146/442 cut-off events. [2024-11-13 14:10:35,046 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 14:10:35,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 442 events. 146/442 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2289 event pairs, 38 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 745. Up to 148 conditions per place. [2024-11-13 14:10:35,056 INFO L140 encePairwiseOnDemand]: 95/105 looper letters, 29 selfloop transitions, 8 changer transitions 0/84 dead transitions. [2024-11-13 14:10:35,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 84 transitions, 251 flow [2024-11-13 14:10:35,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:10:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:10:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2024-11-13 14:10:35,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.638095238095238 [2024-11-13 14:10:35,060 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 140 flow. Second operand 3 states and 201 transitions. [2024-11-13 14:10:35,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 84 transitions, 251 flow [2024-11-13 14:10:35,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 84 transitions, 251 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:10:35,067 INFO L231 Difference]: Finished difference. Result has 74 places, 75 transitions, 208 flow [2024-11-13 14:10:35,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=74, PETRI_TRANSITIONS=75} [2024-11-13 14:10:35,069 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -29 predicate places. [2024-11-13 14:10:35,070 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 75 transitions, 208 flow [2024-11-13 14:10:35,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 14:10:35,070 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:35,071 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 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 14:10:35,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:10:35,071 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-13 14:10:35,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:35,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1569687214, now seen corresponding path program 1 times [2024-11-13 14:10:35,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:35,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224735721] [2024-11-13 14:10:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:35,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:10:35,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:10:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:10:35,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:10:35,154 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:10:35,155 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-11-13 14:10:35,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-13 14:10:35,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-13 14:10:35,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-13 14:10:35,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-13 14:10:35,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-13 14:10:35,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-13 14:10:35,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-13 14:10:35,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-13 14:10:35,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-13 14:10:35,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-13 14:10:35,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-13 14:10:35,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-13 14:10:35,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2024-11-13 14:10:35,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-13 14:10:35,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-13 14:10:35,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-13 14:10:35,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-13 14:10:35,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-13 14:10:35,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-13 14:10:35,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-13 14:10:35,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-13 14:10:35,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-13 14:10:35,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-13 14:10:35,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-13 14:10:35,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-13 14:10:35,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-13 14:10:35,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-13 14:10:35,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-13 14:10:35,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-13 14:10:35,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-13 14:10:35,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-13 14:10:35,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:10:35,174 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 14:10:35,179 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 14:10:35,179 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 14:10:35,329 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 14:10:35,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 176 transitions, 372 flow [2024-11-13 14:10:35,396 INFO L124 PetriNetUnfolderBase]: 10/160 cut-off events. [2024-11-13 14:10:35,397 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:10:35,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 160 events. 10/160 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 510 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 167. Up to 6 conditions per place. [2024-11-13 14:10:35,399 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 176 transitions, 372 flow [2024-11-13 14:10:35,405 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 140 transitions, 293 flow [2024-11-13 14:10:35,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:10:35,407 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;@25398889, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:10:35,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-11-13 14:10:35,415 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:10:35,416 INFO L124 PetriNetUnfolderBase]: 2/27 cut-off events. [2024-11-13 14:10:35,416 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:10:35,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:35,416 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] [2024-11-13 14:10:35,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-13 14:10:35,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:35,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1870301670, now seen corresponding path program 1 times [2024-11-13 14:10:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:35,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725245505] [2024-11-13 14:10:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:35,686 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 14:10:35,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:35,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725245505] [2024-11-13 14:10:35,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725245505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:35,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:35,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:10:35,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722363654] [2024-11-13 14:10:35,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:35,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:10:35,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:35,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:10:35,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:10:35,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 176 [2024-11-13 14:10:35,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 140 transitions, 293 flow. Second operand has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 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 14:10:35,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:10:35,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 176 [2024-11-13 14:10:35,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:10:36,415 INFO L124 PetriNetUnfolderBase]: 882/1668 cut-off events. [2024-11-13 14:10:36,415 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES. [2024-11-13 14:10:36,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3082 conditions, 1668 events. 882/1668 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10577 event pairs, 719 based on Foata normal form. 793/2409 useless extension candidates. Maximal degree in co-relation 3054. Up to 1265 conditions per place. [2024-11-13 14:10:36,441 INFO L140 encePairwiseOnDemand]: 130/176 looper letters, 23 selfloop transitions, 0 changer transitions 0/87 dead transitions. [2024-11-13 14:10:36,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 87 transitions, 233 flow [2024-11-13 14:10:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:10:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 14:10:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 245 transitions. [2024-11-13 14:10:36,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6960227272727273 [2024-11-13 14:10:36,445 INFO L175 Difference]: Start difference. First operand has 140 places, 140 transitions, 293 flow. Second operand 2 states and 245 transitions. [2024-11-13 14:10:36,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 87 transitions, 233 flow [2024-11-13 14:10:36,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 87 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:10:36,452 INFO L231 Difference]: Finished difference. Result has 91 places, 87 transitions, 186 flow [2024-11-13 14:10:36,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=186, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2024-11-13 14:10:36,455 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -49 predicate places. [2024-11-13 14:10:36,455 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 186 flow [2024-11-13 14:10:36,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 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 14:10:36,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:36,456 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] [2024-11-13 14:10:36,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:10:36,456 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-13 14:10:36,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:36,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2063611850, now seen corresponding path program 1 times [2024-11-13 14:10:36,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:36,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136226643] [2024-11-13 14:10:36,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:36,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:36,517 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 14:10:36,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:36,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136226643] [2024-11-13 14:10:36,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136226643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:36,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:36,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:10:36,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249494448] [2024-11-13 14:10:36,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:36,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:10:36,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:36,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:10:36,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:10:36,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 176 [2024-11-13 14:10:36,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 87 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 14:10:36,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:10:36,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 176 [2024-11-13 14:10:36,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:10:38,000 INFO L124 PetriNetUnfolderBase]: 3016/5835 cut-off events. [2024-11-13 14:10:38,001 INFO L125 PetriNetUnfolderBase]: For 458/458 co-relation queries the response was YES. [2024-11-13 14:10:38,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10697 conditions, 5835 events. 3016/5835 cut-off events. For 458/458 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 47020 event pairs, 910 based on Foata normal form. 0/5352 useless extension candidates. Maximal degree in co-relation 10692. Up to 2663 conditions per place. [2024-11-13 14:10:38,072 INFO L140 encePairwiseOnDemand]: 162/176 looper letters, 43 selfloop transitions, 12 changer transitions 0/113 dead transitions. [2024-11-13 14:10:38,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 113 transitions, 356 flow [2024-11-13 14:10:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:10:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:10:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-11-13 14:10:38,075 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5397727272727273 [2024-11-13 14:10:38,077 INFO L175 Difference]: Start difference. First operand has 91 places, 87 transitions, 186 flow. Second operand 3 states and 285 transitions. [2024-11-13 14:10:38,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 113 transitions, 356 flow [2024-11-13 14:10:38,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 113 transitions, 356 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:10:38,083 INFO L231 Difference]: Finished difference. Result has 95 places, 99 transitions, 286 flow [2024-11-13 14:10:38,085 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=95, PETRI_TRANSITIONS=99} [2024-11-13 14:10:38,085 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -45 predicate places. [2024-11-13 14:10:38,086 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 99 transitions, 286 flow [2024-11-13 14:10:38,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 14:10:38,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:38,088 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] [2024-11-13 14:10:38,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:10:38,088 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-13 14:10:38,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash 238772974, now seen corresponding path program 1 times [2024-11-13 14:10:38,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:38,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210018318] [2024-11-13 14:10:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:38,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:38,259 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 14:10:38,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:38,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210018318] [2024-11-13 14:10:38,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210018318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:38,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:38,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:10:38,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172634318] [2024-11-13 14:10:38,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:38,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:10:38,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:38,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:10:38,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:10:38,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 176 [2024-11-13 14:10:38,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 99 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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 14:10:38,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:10:38,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 176 [2024-11-13 14:10:38,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:10:39,836 INFO L124 PetriNetUnfolderBase]: 2969/6522 cut-off events. [2024-11-13 14:10:39,836 INFO L125 PetriNetUnfolderBase]: For 3065/3065 co-relation queries the response was YES. [2024-11-13 14:10:39,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14828 conditions, 6522 events. 2969/6522 cut-off events. For 3065/3065 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 54160 event pairs, 619 based on Foata normal form. 183/6384 useless extension candidates. Maximal degree in co-relation 14821. Up to 2507 conditions per place. [2024-11-13 14:10:39,929 INFO L140 encePairwiseOnDemand]: 167/176 looper letters, 51 selfloop transitions, 9 changer transitions 0/126 dead transitions. [2024-11-13 14:10:39,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 126 transitions, 516 flow [2024-11-13 14:10:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:10:39,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:10:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2024-11-13 14:10:39,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5776515151515151 [2024-11-13 14:10:39,931 INFO L175 Difference]: Start difference. First operand has 95 places, 99 transitions, 286 flow. Second operand 3 states and 305 transitions. [2024-11-13 14:10:39,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 126 transitions, 516 flow [2024-11-13 14:10:39,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 126 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:10:39,948 INFO L231 Difference]: Finished difference. Result has 96 places, 105 transitions, 313 flow [2024-11-13 14:10:39,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=96, PETRI_TRANSITIONS=105} [2024-11-13 14:10:39,949 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -44 predicate places. [2024-11-13 14:10:39,949 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 105 transitions, 313 flow [2024-11-13 14:10:39,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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 14:10:39,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:10:39,949 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] [2024-11-13 14:10:39,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:10:39,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-13 14:10:39,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:39,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2082089230, now seen corresponding path program 1 times [2024-11-13 14:10:39,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:39,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773540428] [2024-11-13 14:10:39,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:39,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:10:39,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:10:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:10:40,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:10:40,010 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:10:40,011 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2024-11-13 14:10:40,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2024-11-13 14:10:40,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2024-11-13 14:10:40,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2024-11-13 14:10:40,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2024-11-13 14:10:40,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2024-11-13 14:10:40,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2024-11-13 14:10:40,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2024-11-13 14:10:40,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2024-11-13 14:10:40,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2024-11-13 14:10:40,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2024-11-13 14:10:40,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2024-11-13 14:10:40,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2024-11-13 14:10:40,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2024-11-13 14:10:40,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2024-11-13 14:10:40,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2024-11-13 14:10:40,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2024-11-13 14:10:40,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2024-11-13 14:10:40,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2024-11-13 14:10:40,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2024-11-13 14:10:40,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2024-11-13 14:10:40,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2024-11-13 14:10:40,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 80 remaining) [2024-11-13 14:10:40,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2024-11-13 14:10:40,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2024-11-13 14:10:40,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2024-11-13 14:10:40,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2024-11-13 14:10:40,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2024-11-13 14:10:40,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2024-11-13 14:10:40,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2024-11-13 14:10:40,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2024-11-13 14:10:40,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2024-11-13 14:10:40,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2024-11-13 14:10:40,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2024-11-13 14:10:40,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2024-11-13 14:10:40,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2024-11-13 14:10:40,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2024-11-13 14:10:40,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2024-11-13 14:10:40,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2024-11-13 14:10:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2024-11-13 14:10:40,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:10:40,028 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 14:10:40,161 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-11-13 14:10:40,162 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:10:40,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:10:40 BasicIcfg [2024-11-13 14:10:40,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:10:40,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:10:40,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:10:40,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:10:40,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:10:33" (3/4) ... [2024-11-13 14:10:40,180 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:10:40,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:10:40,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:10:40,272 INFO L158 Benchmark]: Toolchain (without parser) took 9757.60ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 93.1MB in the beginning and 307.6MB in the end (delta: -214.4MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-11-13 14:10:40,272 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:10:40,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.01ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 72.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:10:40,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.28ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 69.7MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:10:40,273 INFO L158 Benchmark]: Boogie Preprocessor took 58.69ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 66.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:10:40,274 INFO L158 Benchmark]: RCFGBuilder took 1816.55ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 81.2MB in the end (delta: -14.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-13 14:10:40,274 INFO L158 Benchmark]: TraceAbstraction took 7095.45ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 80.5MB in the beginning and 318.5MB in the end (delta: -238.0MB). Peak memory consumption was 299.8MB. Max. memory is 16.1GB. [2024-11-13 14:10:40,275 INFO L158 Benchmark]: Witness Printer took 92.99ms. Allocated memory is still 419.4MB. Free memory was 318.5MB in the beginning and 307.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:10:40,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.01ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 72.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.28ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 69.7MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.69ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 66.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1816.55ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 81.2MB in the end (delta: -14.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7095.45ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 80.5MB in the beginning and 318.5MB in the end (delta: -238.0MB). Peak memory consumption was 299.8MB. Max. memory is 16.1GB. * Witness Printer took 92.99ms. Allocated memory is still 419.4MB. Free memory was 318.5MB in the beginning and 307.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 729]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int count = 0; VAL [count=0] [L708] 0 int mutexa = 0; VAL [count=0, mutexa={3:0}] [L709] 0 int mutexb = 0; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L747] 0 pthread_t t; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L748] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1] [L726] COND TRUE 1 1 VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L749] COND TRUE 0 1 VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1] [L751] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=0] [L739] COND FALSE 2 !(__VERIFIER_nondet_int()) VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L742] CALL 2 my_thread2() [L719] CALL 2 __VERIFIER_atomic_acquire(&mutexb) [L692] EXPR 2 \read(*m) [L692] EXPR 2 *m==0 [L692] CALL 2 assume_abort_if_not(*m==0) [L4] COND FALSE 2 !(!cond) [L692] RET 2 assume_abort_if_not(*m==0) [L693] 2 *m = 1 [L719] RET 2 __VERIFIER_atomic_acquire(&mutexb) [L728] CALL 1 __VERIFIER_atomic_acquire(&mutexa) [L692] EXPR 1 \read(*m) [L692] EXPR 1 *m==0 [L692] CALL 1 assume_abort_if_not(*m==0) [L4] COND FALSE 1 !(!cond) [L692] RET 1 assume_abort_if_not(*m==0) [L693] 1 *m = 1 [L728] RET 1 __VERIFIER_atomic_acquire(&mutexa) [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L720] CALL 2 __VERIFIER_atomic_dec() [L706] 2 count-- [L720] RET 2 __VERIFIER_atomic_dec() [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=-1, mutexa={3:0}, mutexb={4:0}] Now there is a data race on ~count~0 between C: count-- [706] and C: count >= -1 [729] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 732]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 751]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 165 locations, 54 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: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 4 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 230 locations, 80 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: 4.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 6 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:10:40,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f21c09-8f1c-48fe-96a1-3886eae7d790/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE