./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/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_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/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_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/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 9205365dcda04af07212d180b1c6367c5de79b6e0d2e09ec11b949fed58626f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:45:10,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:45:10,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:45:10,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:45:10,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:45:10,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:45:10,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:45:10,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:45:10,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:45:10,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:45:10,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:45:10,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:45:10,513 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:45:10,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:45:10,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:45:10,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:45:10,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:45:10,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:45:10,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:45:10,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:45:10,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:45:10,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:45:10,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:45:10,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:45:10,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:45:10,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:45:10,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:45:10,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:45:10,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:45:10,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:45:10,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:45:10,518 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_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/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 -> 9205365dcda04af07212d180b1c6367c5de79b6e0d2e09ec11b949fed58626f5 [2024-11-13 15:45:10,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:45:10,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:45:10,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:45:10,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:45:10,916 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:45:10,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i Unable to find full path for "g++" [2024-11-13 15:45:13,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:45:13,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:45:13,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i [2024-11-13 15:45:13,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/data/412a55822/8ba1246c4d004b8bbeb4838e1b106a12/FLAG4d8e57e6e [2024-11-13 15:45:13,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/data/412a55822/8ba1246c4d004b8bbeb4838e1b106a12 [2024-11-13 15:45:13,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:45:13,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:45:13,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:45:13,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:45:13,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:45:13,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:45:13" (1/1) ... [2024-11-13 15:45:13,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c635912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:13, skipping insertion in model container [2024-11-13 15:45:13,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:45:13" (1/1) ... [2024-11-13 15:45:13,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:45:14,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:45:14,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:45:14,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:45:14,510 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:45:14,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14 WrapperNode [2024-11-13 15:45:14,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:45:14,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:45:14,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:45:14,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:45:14,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,580 INFO L138 Inliner]: procedures = 165, calls = 107, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 162 [2024-11-13 15:45:14,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:45:14,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:45:14,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:45:14,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:45:14,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:45:14,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:45:14,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:45:14,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:45:14,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (1/1) ... [2024-11-13 15:45:14,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:45:14,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:14,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:45:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:45:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:45:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:45:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:45:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:45:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:45:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:45:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:45:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:45:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:45:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:45:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:45:14,722 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 15:45:14,934 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:45:14,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:45:15,539 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:45:15,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:45:15,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:45:15,579 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:45:15,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:45:15 BoogieIcfgContainer [2024-11-13 15:45:15,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:45:15,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:45:15,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:45:15,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:45:15,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:45:13" (1/3) ... [2024-11-13 15:45:15,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267f3b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:45:15, skipping insertion in model container [2024-11-13 15:45:15,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:45:14" (2/3) ... [2024-11-13 15:45:15,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267f3b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:45:15, skipping insertion in model container [2024-11-13 15:45:15,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:45:15" (3/3) ... [2024-11-13 15:45:15,595 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_23-idxsense_nr.i [2024-11-13 15:45:15,614 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:45:15,617 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_23-idxsense_nr.i that has 2 procedures, 190 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2024-11-13 15:45:15,617 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:45:15,775 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:45:15,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 191 transitions, 386 flow [2024-11-13 15:45:15,946 INFO L124 PetriNetUnfolderBase]: 2/190 cut-off events. [2024-11-13 15:45:15,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:45:15,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 190 events. 2/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2024-11-13 15:45:15,960 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 191 transitions, 386 flow [2024-11-13 15:45:15,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 190 transitions, 383 flow [2024-11-13 15:45:15,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:45:16,008 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;@3cadddc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:45:16,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-13 15:45:16,080 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:45:16,080 INFO L124 PetriNetUnfolderBase]: 2/128 cut-off events. [2024-11-13 15:45:16,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:45:16,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:16,081 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:16,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:16,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:16,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1919145705, now seen corresponding path program 1 times [2024-11-13 15:45:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:16,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875846244] [2024-11-13 15:45:16,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,714 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 15:45:16,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:16,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875846244] [2024-11-13 15:45:16,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875846244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:16,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:16,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:45:16,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622058981] [2024-11-13 15:45:16,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:16,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:45:16,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:16,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:45:16,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:45:16,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 191 [2024-11-13 15:45:16,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 190 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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 15:45:16,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:16,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 191 [2024-11-13 15:45:16,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:17,034 INFO L124 PetriNetUnfolderBase]: 11/328 cut-off events. [2024-11-13 15:45:17,034 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:45:17,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 328 events. 11/328 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 587 event pairs, 10 based on Foata normal form. 1/310 useless extension candidates. Maximal degree in co-relation 240. Up to 34 conditions per place. [2024-11-13 15:45:17,040 INFO L140 encePairwiseOnDemand]: 187/191 looper letters, 12 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2024-11-13 15:45:17,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 190 transitions, 411 flow [2024-11-13 15:45:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:45:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:45:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2024-11-13 15:45:17,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.956369982547993 [2024-11-13 15:45:17,065 INFO L175 Difference]: Start difference. First operand has 192 places, 190 transitions, 383 flow. Second operand 3 states and 548 transitions. [2024-11-13 15:45:17,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 190 transitions, 411 flow [2024-11-13 15:45:17,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 190 transitions, 410 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:45:17,087 INFO L231 Difference]: Finished difference. Result has 194 places, 190 transitions, 392 flow [2024-11-13 15:45:17,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=194, PETRI_TRANSITIONS=190} [2024-11-13 15:45:17,096 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 2 predicate places. [2024-11-13 15:45:17,097 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 190 transitions, 392 flow [2024-11-13 15:45:17,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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 15:45:17,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:17,098 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:17,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:45:17,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:17,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:17,101 INFO L85 PathProgramCache]: Analyzing trace with hash 110280535, now seen corresponding path program 1 times [2024-11-13 15:45:17,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:17,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53071750] [2024-11-13 15:45:17,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:17,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:17,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:17,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53071750] [2024-11-13 15:45:17,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53071750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:45:17,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397157681] [2024-11-13 15:45:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:17,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:17,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:17,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:45:17,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:45:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:17,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:45:17,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:17,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:45:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:17,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397157681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:45:17,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:45:17,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 15:45:17,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542205633] [2024-11-13 15:45:17,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:45:17,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:45:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:17,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:45:17,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:45:18,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 15:45:18,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 190 transitions, 392 flow. Second operand has 10 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 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 15:45:18,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:18,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 15:45:18,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:18,261 INFO L124 PetriNetUnfolderBase]: 11/335 cut-off events. [2024-11-13 15:45:18,262 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:45:18,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 335 events. 11/335 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 584 event pairs, 10 based on Foata normal form. 2/318 useless extension candidates. Maximal degree in co-relation 277. Up to 34 conditions per place. [2024-11-13 15:45:18,266 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 16 selfloop transitions, 9 changer transitions 0/198 dead transitions. [2024-11-13 15:45:18,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 198 transitions, 460 flow [2024-11-13 15:45:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:45:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 15:45:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1593 transitions. [2024-11-13 15:45:18,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9267015706806283 [2024-11-13 15:45:18,275 INFO L175 Difference]: Start difference. First operand has 194 places, 190 transitions, 392 flow. Second operand 9 states and 1593 transitions. [2024-11-13 15:45:18,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 198 transitions, 460 flow [2024-11-13 15:45:18,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 198 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:45:18,284 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 440 flow [2024-11-13 15:45:18,285 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=440, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-11-13 15:45:18,286 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 12 predicate places. [2024-11-13 15:45:18,286 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 440 flow [2024-11-13 15:45:18,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 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 15:45:18,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:18,288 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:18,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:45:18,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:18,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:18,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:18,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1847304855, now seen corresponding path program 2 times [2024-11-13 15:45:18,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:18,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108583819] [2024-11-13 15:45:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:18,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:19,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:19,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108583819] [2024-11-13 15:45:19,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108583819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:45:19,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429544532] [2024-11-13 15:45:19,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:45:19,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:19,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:45:19,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:45:19,228 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 15:45:19,229 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:45:19,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 15:45:19,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:19,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:45:19,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 15:45:19,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:45:19,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 15:45:19,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:45:19,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-13 15:45:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 15:45:19,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:45:19,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429544532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:19,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:45:19,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-13 15:45:19,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896524791] [2024-11-13 15:45:19,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:19,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:45:19,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:19,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:45:19,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:45:20,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 191 [2024-11-13 15:45:20,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 440 flow. Second operand has 7 states, 7 states have (on average 161.14285714285714) internal successors, (1128), 7 states have internal predecessors, (1128), 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 15:45:20,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:20,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 191 [2024-11-13 15:45:20,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:21,128 INFO L124 PetriNetUnfolderBase]: 285/1116 cut-off events. [2024-11-13 15:45:21,132 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 15:45:21,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1769 conditions, 1116 events. 285/1116 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 6328 event pairs, 68 based on Foata normal form. 0/1072 useless extension candidates. Maximal degree in co-relation 1625. Up to 286 conditions per place. [2024-11-13 15:45:21,148 INFO L140 encePairwiseOnDemand]: 168/191 looper letters, 97 selfloop transitions, 43 changer transitions 0/306 dead transitions. [2024-11-13 15:45:21,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 306 transitions, 940 flow [2024-11-13 15:45:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:45:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 15:45:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1262 transitions. [2024-11-13 15:45:21,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.943904263275991 [2024-11-13 15:45:21,160 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 440 flow. Second operand 7 states and 1262 transitions. [2024-11-13 15:45:21,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 306 transitions, 940 flow [2024-11-13 15:45:21,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 306 transitions, 934 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-13 15:45:21,171 INFO L231 Difference]: Finished difference. Result has 214 places, 242 transitions, 753 flow [2024-11-13 15:45:21,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=753, PETRI_PLACES=214, PETRI_TRANSITIONS=242} [2024-11-13 15:45:21,175 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 22 predicate places. [2024-11-13 15:45:21,175 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 242 transitions, 753 flow [2024-11-13 15:45:21,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 161.14285714285714) internal successors, (1128), 7 states have internal predecessors, (1128), 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 15:45:21,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:21,176 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:21,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:45:21,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:21,377 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:21,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:21,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1960398307, now seen corresponding path program 1 times [2024-11-13 15:45:21,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:21,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85223873] [2024-11-13 15:45:21,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:21,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:21,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:21,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85223873] [2024-11-13 15:45:21,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85223873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:45:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989963496] [2024-11-13 15:45:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:21,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:21,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:45:21,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:45:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:21,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:45:21,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:22,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:45:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:22,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989963496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:45:22,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:45:22,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-13 15:45:22,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687289680] [2024-11-13 15:45:22,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:45:22,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:45:22,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:22,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:45:22,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:45:22,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 15:45:22,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 242 transitions, 753 flow. Second operand has 18 states, 18 states have (on average 176.0) internal successors, (3168), 18 states have internal predecessors, (3168), 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 15:45:22,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:22,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 15:45:22,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:22,763 INFO L124 PetriNetUnfolderBase]: 127/868 cut-off events. [2024-11-13 15:45:22,764 INFO L125 PetriNetUnfolderBase]: For 136/151 co-relation queries the response was YES. [2024-11-13 15:45:22,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1581 conditions, 868 events. 127/868 cut-off events. For 136/151 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4659 event pairs, 45 based on Foata normal form. 4/853 useless extension candidates. Maximal degree in co-relation 1359. Up to 132 conditions per place. [2024-11-13 15:45:22,770 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 20 selfloop transitions, 21 changer transitions 0/260 dead transitions. [2024-11-13 15:45:22,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 260 transitions, 923 flow [2024-11-13 15:45:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 15:45:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-13 15:45:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3699 transitions. [2024-11-13 15:45:22,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9222139117427075 [2024-11-13 15:45:22,783 INFO L175 Difference]: Start difference. First operand has 214 places, 242 transitions, 753 flow. Second operand 21 states and 3699 transitions. [2024-11-13 15:45:22,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 260 transitions, 923 flow [2024-11-13 15:45:22,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 260 transitions, 922 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:45:22,797 INFO L231 Difference]: Finished difference. Result has 238 places, 255 transitions, 882 flow [2024-11-13 15:45:22,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=882, PETRI_PLACES=238, PETRI_TRANSITIONS=255} [2024-11-13 15:45:22,800 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 46 predicate places. [2024-11-13 15:45:22,800 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 255 transitions, 882 flow [2024-11-13 15:45:22,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.0) internal successors, (3168), 18 states have internal predecessors, (3168), 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 15:45:22,802 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:22,802 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:22,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:45:23,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:23,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:23,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:23,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1304397667, now seen corresponding path program 2 times [2024-11-13 15:45:23,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:23,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542130575] [2024-11-13 15:45:23,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:23,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:23,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542130575] [2024-11-13 15:45:23,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542130575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:45:23,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641126502] [2024-11-13 15:45:23,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:45:23,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:23,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:23,637 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:45:23,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:45:23,772 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 15:45:23,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:45:23,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 15:45:23,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:24,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:45:24,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 15:45:24,190 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:45:24,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 15:45:24,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:45:24,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-13 15:45:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:45:24,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:45:24,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641126502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:24,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:45:24,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-11-13 15:45:24,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168947109] [2024-11-13 15:45:24,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:24,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:45:24,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:24,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:45:24,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:45:24,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 191 [2024-11-13 15:45:24,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 255 transitions, 882 flow. Second operand has 7 states, 7 states have (on average 172.14285714285714) internal successors, (1205), 7 states have internal predecessors, (1205), 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 15:45:24,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:24,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 191 [2024-11-13 15:45:24,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:25,243 INFO L124 PetriNetUnfolderBase]: 141/930 cut-off events. [2024-11-13 15:45:25,243 INFO L125 PetriNetUnfolderBase]: For 147/169 co-relation queries the response was YES. [2024-11-13 15:45:25,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1673 conditions, 930 events. 141/930 cut-off events. For 147/169 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5124 event pairs, 49 based on Foata normal form. 3/911 useless extension candidates. Maximal degree in co-relation 1444. Up to 129 conditions per place. [2024-11-13 15:45:25,253 INFO L140 encePairwiseOnDemand]: 184/191 looper letters, 20 selfloop transitions, 6 changer transitions 0/262 dead transitions. [2024-11-13 15:45:25,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 262 transitions, 948 flow [2024-11-13 15:45:25,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:45:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 15:45:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1224 transitions. [2024-11-13 15:45:25,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9154824233358265 [2024-11-13 15:45:25,257 INFO L175 Difference]: Start difference. First operand has 238 places, 255 transitions, 882 flow. Second operand 7 states and 1224 transitions. [2024-11-13 15:45:25,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 262 transitions, 948 flow [2024-11-13 15:45:25,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 262 transitions, 924 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-13 15:45:25,270 INFO L231 Difference]: Finished difference. Result has 237 places, 254 transitions, 868 flow [2024-11-13 15:45:25,271 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=868, PETRI_PLACES=237, PETRI_TRANSITIONS=254} [2024-11-13 15:45:25,274 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 45 predicate places. [2024-11-13 15:45:25,274 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 254 transitions, 868 flow [2024-11-13 15:45:25,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 172.14285714285714) internal successors, (1205), 7 states have internal predecessors, (1205), 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 15:45:25,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:25,276 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:25,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:45:25,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:25,480 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:25,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash -733016804, now seen corresponding path program 1 times [2024-11-13 15:45:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:25,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652712929] [2024-11-13 15:45:25,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:26,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:26,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652712929] [2024-11-13 15:45:26,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652712929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:45:26,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752567149] [2024-11-13 15:45:26,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:26,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:26,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:26,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:45:26,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:45:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:26,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:45:26,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:26,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:45:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:26,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752567149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:45:26,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:45:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-13 15:45:26,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385243777] [2024-11-13 15:45:26,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:45:26,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 15:45:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:26,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 15:45:26,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:45:26,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 15:45:26,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 254 transitions, 868 flow. Second operand has 23 states, 23 states have (on average 176.08695652173913) internal successors, (4050), 23 states have internal predecessors, (4050), 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 15:45:26,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:26,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 15:45:26,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:27,361 INFO L124 PetriNetUnfolderBase]: 127/882 cut-off events. [2024-11-13 15:45:27,361 INFO L125 PetriNetUnfolderBase]: For 253/268 co-relation queries the response was YES. [2024-11-13 15:45:27,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 882 events. 127/882 cut-off events. For 253/268 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4653 event pairs, 45 based on Foata normal form. 3/867 useless extension candidates. Maximal degree in co-relation 1370. Up to 132 conditions per place. [2024-11-13 15:45:27,368 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 23 selfloop transitions, 30 changer transitions 0/271 dead transitions. [2024-11-13 15:45:27,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 271 transitions, 1096 flow [2024-11-13 15:45:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 15:45:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-13 15:45:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5276 transitions. [2024-11-13 15:45:27,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9207678883071553 [2024-11-13 15:45:27,381 INFO L175 Difference]: Start difference. First operand has 237 places, 254 transitions, 868 flow. Second operand 30 states and 5276 transitions. [2024-11-13 15:45:27,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 271 transitions, 1096 flow [2024-11-13 15:45:27,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 271 transitions, 1084 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 15:45:27,390 INFO L231 Difference]: Finished difference. Result has 264 places, 264 transitions, 1008 flow [2024-11-13 15:45:27,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1008, PETRI_PLACES=264, PETRI_TRANSITIONS=264} [2024-11-13 15:45:27,391 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 72 predicate places. [2024-11-13 15:45:27,392 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 264 transitions, 1008 flow [2024-11-13 15:45:27,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 176.08695652173913) internal successors, (4050), 23 states have internal predecessors, (4050), 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 15:45:27,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:27,394 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:27,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:45:27,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 15:45:27,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:27,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:27,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1081475246, now seen corresponding path program 2 times [2024-11-13 15:45:27,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:27,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231149037] [2024-11-13 15:45:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:27,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 15:45:28,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:28,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231149037] [2024-11-13 15:45:28,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231149037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:28,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:28,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:28,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975305403] [2024-11-13 15:45:28,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:28,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:28,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:28,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:28,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:29,319 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 191 [2024-11-13 15:45:29,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 264 transitions, 1008 flow. Second operand has 6 states, 6 states have (on average 161.33333333333334) internal successors, (968), 6 states have internal predecessors, (968), 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 15:45:29,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:29,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 191 [2024-11-13 15:45:29,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:29,903 INFO L124 PetriNetUnfolderBase]: 445/1537 cut-off events. [2024-11-13 15:45:29,903 INFO L125 PetriNetUnfolderBase]: For 701/738 co-relation queries the response was YES. [2024-11-13 15:45:29,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3701 conditions, 1537 events. 445/1537 cut-off events. For 701/738 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9400 event pairs, 117 based on Foata normal form. 24/1538 useless extension candidates. Maximal degree in co-relation 3395. Up to 640 conditions per place. [2024-11-13 15:45:29,916 INFO L140 encePairwiseOnDemand]: 174/191 looper letters, 109 selfloop transitions, 53 changer transitions 6/355 dead transitions. [2024-11-13 15:45:29,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 355 transitions, 1712 flow [2024-11-13 15:45:29,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:45:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1062 transitions. [2024-11-13 15:45:29,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9267015706806283 [2024-11-13 15:45:29,919 INFO L175 Difference]: Start difference. First operand has 264 places, 264 transitions, 1008 flow. Second operand 6 states and 1062 transitions. [2024-11-13 15:45:29,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 355 transitions, 1712 flow [2024-11-13 15:45:29,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 355 transitions, 1666 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-13 15:45:29,931 INFO L231 Difference]: Finished difference. Result has 256 places, 315 transitions, 1468 flow [2024-11-13 15:45:29,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1468, PETRI_PLACES=256, PETRI_TRANSITIONS=315} [2024-11-13 15:45:29,933 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 64 predicate places. [2024-11-13 15:45:29,933 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 315 transitions, 1468 flow [2024-11-13 15:45:29,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 161.33333333333334) internal successors, (968), 6 states have internal predecessors, (968), 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 15:45:29,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:29,934 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:29,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:45:29,934 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:29,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:29,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2112890031, now seen corresponding path program 1 times [2024-11-13 15:45:29,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:29,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265481931] [2024-11-13 15:45:29,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:29,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 15:45:30,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:30,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265481931] [2024-11-13 15:45:30,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265481931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:30,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:30,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:30,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143726010] [2024-11-13 15:45:30,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:30,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:30,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:30,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:30,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:31,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 191 [2024-11-13 15:45:31,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 315 transitions, 1468 flow. Second operand has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 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 15:45:31,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:31,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 191 [2024-11-13 15:45:31,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:31,756 INFO L124 PetriNetUnfolderBase]: 255/1277 cut-off events. [2024-11-13 15:45:31,757 INFO L125 PetriNetUnfolderBase]: For 1026/1093 co-relation queries the response was YES. [2024-11-13 15:45:31,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3073 conditions, 1277 events. 255/1277 cut-off events. For 1026/1093 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7969 event pairs, 57 based on Foata normal form. 9/1266 useless extension candidates. Maximal degree in co-relation 2783. Up to 215 conditions per place. [2024-11-13 15:45:31,768 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 25 selfloop transitions, 5 changer transitions 0/322 dead transitions. [2024-11-13 15:45:31,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 322 transitions, 1542 flow [2024-11-13 15:45:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:45:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2024-11-13 15:45:31,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9013961605584643 [2024-11-13 15:45:31,772 INFO L175 Difference]: Start difference. First operand has 256 places, 315 transitions, 1468 flow. Second operand 6 states and 1033 transitions. [2024-11-13 15:45:31,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 322 transitions, 1542 flow [2024-11-13 15:45:31,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 322 transitions, 1534 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-13 15:45:31,790 INFO L231 Difference]: Finished difference. Result has 260 places, 314 transitions, 1468 flow [2024-11-13 15:45:31,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1458, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1468, PETRI_PLACES=260, PETRI_TRANSITIONS=314} [2024-11-13 15:45:31,793 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 68 predicate places. [2024-11-13 15:45:31,794 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 314 transitions, 1468 flow [2024-11-13 15:45:31,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 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 15:45:31,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:31,794 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:31,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:45:31,795 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:31,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:31,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1294955378, now seen corresponding path program 1 times [2024-11-13 15:45:31,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:31,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082416854] [2024-11-13 15:45:31,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:31,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 15:45:32,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:32,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082416854] [2024-11-13 15:45:32,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082416854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:32,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:32,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:32,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85218706] [2024-11-13 15:45:32,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:32,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:32,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:32,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:32,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:33,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 191 [2024-11-13 15:45:33,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 314 transitions, 1468 flow. Second operand has 6 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 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 15:45:33,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:33,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 191 [2024-11-13 15:45:33,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:33,838 INFO L124 PetriNetUnfolderBase]: 594/1908 cut-off events. [2024-11-13 15:45:33,838 INFO L125 PetriNetUnfolderBase]: For 2442/2487 co-relation queries the response was YES. [2024-11-13 15:45:33,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5715 conditions, 1908 events. 594/1908 cut-off events. For 2442/2487 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 12349 event pairs, 150 based on Foata normal form. 25/1901 useless extension candidates. Maximal degree in co-relation 5424. Up to 891 conditions per place. [2024-11-13 15:45:33,857 INFO L140 encePairwiseOnDemand]: 174/191 looper letters, 122 selfloop transitions, 58 changer transitions 39/406 dead transitions. [2024-11-13 15:45:33,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 406 transitions, 2430 flow [2024-11-13 15:45:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:45:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1044 transitions. [2024-11-13 15:45:33,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9109947643979057 [2024-11-13 15:45:33,861 INFO L175 Difference]: Start difference. First operand has 260 places, 314 transitions, 1468 flow. Second operand 6 states and 1044 transitions. [2024-11-13 15:45:33,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 406 transitions, 2430 flow [2024-11-13 15:45:33,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 406 transitions, 2420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 15:45:33,885 INFO L231 Difference]: Finished difference. Result has 264 places, 341 transitions, 1866 flow [2024-11-13 15:45:33,886 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1458, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1866, PETRI_PLACES=264, PETRI_TRANSITIONS=341} [2024-11-13 15:45:33,887 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 72 predicate places. [2024-11-13 15:45:33,887 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 341 transitions, 1866 flow [2024-11-13 15:45:33,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 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 15:45:33,888 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:45:33,888 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:33,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:45:33,888 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 15:45:33,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:33,889 INFO L85 PathProgramCache]: Analyzing trace with hash 709753935, now seen corresponding path program 1 times [2024-11-13 15:45:33,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:33,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004898653] [2024-11-13 15:45:33,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:33,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 15:45:34,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:34,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004898653] [2024-11-13 15:45:34,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004898653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:34,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:34,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:45:34,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863750159] [2024-11-13 15:45:34,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:34,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:45:34,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:34,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:45:34,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:45:34,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 191 [2024-11-13 15:45:34,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 341 transitions, 1866 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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 15:45:34,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:45:34,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 191 [2024-11-13 15:45:34,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:45:34,449 INFO L124 PetriNetUnfolderBase]: 6/307 cut-off events. [2024-11-13 15:45:34,449 INFO L125 PetriNetUnfolderBase]: For 253/253 co-relation queries the response was YES. [2024-11-13 15:45:34,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 307 events. 6/307 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 264 event pairs, 1 based on Foata normal form. 2/309 useless extension candidates. Maximal degree in co-relation 483. Up to 23 conditions per place. [2024-11-13 15:45:34,451 INFO L140 encePairwiseOnDemand]: 187/191 looper letters, 0 selfloop transitions, 0 changer transitions 215/215 dead transitions. [2024-11-13 15:45:34,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 215 transitions, 800 flow [2024-11-13 15:45:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:45:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:45:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2024-11-13 15:45:34,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703315881326352 [2024-11-13 15:45:34,454 INFO L175 Difference]: Start difference. First operand has 264 places, 341 transitions, 1866 flow. Second operand 3 states and 556 transitions. [2024-11-13 15:45:34,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 215 transitions, 800 flow [2024-11-13 15:45:34,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 215 transitions, 660 flow, removed 30 selfloop flow, removed 29 redundant places. [2024-11-13 15:45:34,462 INFO L231 Difference]: Finished difference. Result has 233 places, 0 transitions, 0 flow [2024-11-13 15:45:34,463 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=233, PETRI_TRANSITIONS=0} [2024-11-13 15:45:34,463 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, 41 predicate places. [2024-11-13 15:45:34,463 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 0 transitions, 0 flow [2024-11-13 15:45:34,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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 15:45:34,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-13 15:45:34,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-13 15:45:34,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-13 15:45:34,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-13 15:45:34,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-13 15:45:34,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-13 15:45:34,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-13 15:45:34,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-13 15:45:34,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-13 15:45:34,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:45:34,470 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2024-11-13 15:45:34,477 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:45:34,478 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:45:34,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:45:34 BasicIcfg [2024-11-13 15:45:34,487 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:45:34,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:45:34,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:45:34,488 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:45:34,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:45:15" (3/4) ... [2024-11-13 15:45:34,491 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:45:34,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 15:45:34,503 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 15:45:34,503 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:45:34,504 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:45:34,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:45:34,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:45:34,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:45:34,609 INFO L158 Benchmark]: Toolchain (without parser) took 20867.29ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 91.1MB in the beginning and 256.5MB in the end (delta: -165.4MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-13 15:45:34,610 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:34,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.26ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:45:34,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.75ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:34,612 INFO L158 Benchmark]: Boogie Preprocessor took 47.85ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:34,612 INFO L158 Benchmark]: RCFGBuilder took 950.68ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 40.7MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:45:34,613 INFO L158 Benchmark]: TraceAbstraction took 18901.19ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 39.9MB in the beginning and 261.1MB in the end (delta: -221.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:34,614 INFO L158 Benchmark]: Witness Printer took 119.39ms. Allocated memory is still 335.5MB. Free memory was 261.1MB in the beginning and 256.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:45:34,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.26ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.75ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.85ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 950.68ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 40.7MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18901.19ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 39.9MB in the beginning and 261.1MB in the end (delta: -221.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.39ms. Allocated memory is still 335.5MB. Free memory was 261.1MB in the beginning and 256.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 218 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.7s, OverallIterations: 10, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1339 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 870 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 352 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2735 IncrementalHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 352 mSolverCounterUnsat, 17 mSDtfsCounter, 2735 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1206 GetRequests, 1070 SyntacticMatches, 11 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1866occurred in iteration=9, InterpolantAutomatonStates: 98, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 2237 NumberOfCodeBlocks, 2187 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2628 ConstructedInterpolants, 0 QuantifiedInterpolants, 4059 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1515 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 1070/1593 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:45:34,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f2334-00fe-4354-a3b2-b7a80efd9f24/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE