./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-11-racy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU --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 deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:55,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:55,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:18:55,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:55,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:56,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:56,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:56,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:56,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:56,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:56,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:56,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:56,016 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:56,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:56,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:56,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:56,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:56,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:56,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:56,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:56,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:56,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:56,020 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:18:56,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:56,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:56,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:56,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:56,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:56,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:56,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:56,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:56,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:56,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:56,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:56,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:56,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:56,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:56,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:56,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:56,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:56,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:56,032 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 [2024-10-31 22:18:56,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:56,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:56,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:56,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:56,387 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:56,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread/fib_safe-11-racy.i Unable to find full path for "g++" [2024-10-31 22:18:58,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:59,084 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:59,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/sv-benchmarks/c/pthread/fib_safe-11-racy.i [2024-10-31 22:18:59,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/data/49b96348c/998eeb082d794833a3f11e3be6b1d675/FLAG40e1065ba [2024-10-31 22:18:59,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/data/49b96348c/998eeb082d794833a3f11e3be6b1d675 [2024-10-31 22:18:59,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:59,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:59,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:59,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:59,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:59,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3437fde0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59, skipping insertion in model container [2024-10-31 22:18:59,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:59,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:59,713 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:59,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:59,838 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:59,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59 WrapperNode [2024-10-31 22:18:59,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:59,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:59,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:59,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:59,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,897 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2024-10-31 22:18:59,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:59,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:59,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:59,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:59,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:59,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:59,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:59,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:59,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (1/1) ... [2024-10-31 22:18:59,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:59,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:59,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:59,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-31 22:19:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-31 22:19:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-31 22:19:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-31 22:19:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:19:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:19:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:19:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:00,039 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:19:00,192 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:00,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:00,560 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:19:00,560 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:00,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:00,709 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:19:00,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:00 BoogieIcfgContainer [2024-10-31 22:19:00,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:00,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:00,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:00,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:00,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:59" (1/3) ... [2024-10-31 22:19:00,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f343f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:00, skipping insertion in model container [2024-10-31 22:19:00,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:59" (2/3) ... [2024-10-31 22:19:00,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f343f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:00, skipping insertion in model container [2024-10-31 22:19:00,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:00" (3/3) ... [2024-10-31 22:19:00,727 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-11-racy.i [2024-10-31 22:19:00,748 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:00,748 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-31 22:19:00,749 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:19:00,845 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:19:00,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 188 transitions, 384 flow [2024-10-31 22:19:00,998 INFO L124 PetriNetUnfolderBase]: 9/186 cut-off events. [2024-10-31 22:19:00,998 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:01,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 9/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 382 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2024-10-31 22:19:01,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 188 transitions, 384 flow [2024-10-31 22:19:01,014 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 184 places, 186 transitions, 378 flow [2024-10-31 22:19:01,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:19:01,042 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;@647a59e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:19:01,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-10-31 22:19:01,053 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:19:01,055 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-31 22:19:01,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:01,056 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:01,056 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] [2024-10-31 22:19:01,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:01,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:01,064 INFO L85 PathProgramCache]: Analyzing trace with hash 959234546, now seen corresponding path program 1 times [2024-10-31 22:19:01,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:01,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228261995] [2024-10-31 22:19:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:01,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:01,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:01,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228261995] [2024-10-31 22:19:01,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228261995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:01,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:01,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:19:01,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900840827] [2024-10-31 22:19:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:01,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:19:01,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:01,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:19:01,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:19:01,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 188 [2024-10-31 22:19:01,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 186 transitions, 378 flow. Second operand has 2 states, 2 states have (on average 168.5) internal successors, (337), 2 states have internal predecessors, (337), 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) [2024-10-31 22:19:01,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:01,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 188 [2024-10-31 22:19:01,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:01,508 INFO L124 PetriNetUnfolderBase]: 9/286 cut-off events. [2024-10-31 22:19:01,508 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:19:01,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 286 events. 9/286 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 931 event pairs, 2 based on Foata normal form. 12/248 useless extension candidates. Maximal degree in co-relation 270. Up to 11 conditions per place. [2024-10-31 22:19:01,517 INFO L140 encePairwiseOnDemand]: 175/188 looper letters, 6 selfloop transitions, 0 changer transitions 0/171 dead transitions. [2024-10-31 22:19:01,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 360 flow [2024-10-31 22:19:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:19:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:19:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 355 transitions. [2024-10-31 22:19:01,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441489361702128 [2024-10-31 22:19:01,534 INFO L175 Difference]: Start difference. First operand has 184 places, 186 transitions, 378 flow. Second operand 2 states and 355 transitions. [2024-10-31 22:19:01,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 360 flow [2024-10-31 22:19:01,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:01,548 INFO L231 Difference]: Finished difference. Result has 173 places, 171 transitions, 346 flow [2024-10-31 22:19:01,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=346, PETRI_PLACES=173, PETRI_TRANSITIONS=171} [2024-10-31 22:19:01,557 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -11 predicate places. [2024-10-31 22:19:01,558 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 171 transitions, 346 flow [2024-10-31 22:19:01,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 168.5) internal successors, (337), 2 states have internal predecessors, (337), 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) [2024-10-31 22:19:01,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:01,559 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] [2024-10-31 22:19:01,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:19:01,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:01,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:01,562 INFO L85 PathProgramCache]: Analyzing trace with hash -529477545, now seen corresponding path program 1 times [2024-10-31 22:19:01,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:01,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197500292] [2024-10-31 22:19:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:01,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:01,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:01,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197500292] [2024-10-31 22:19:01,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197500292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:01,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:01,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:01,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635881936] [2024-10-31 22:19:01,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:01,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:01,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:01,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:01,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:01,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:01,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 171 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2024-10-31 22:19:01,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:01,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:01,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:01,907 INFO L124 PetriNetUnfolderBase]: 30/366 cut-off events. [2024-10-31 22:19:01,907 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:01,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 366 events. 30/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1651 event pairs, 8 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 436. Up to 41 conditions per place. [2024-10-31 22:19:01,915 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2024-10-31 22:19:01,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 172 transitions, 380 flow [2024-10-31 22:19:01,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-31 22:19:01,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-10-31 22:19:01,925 INFO L175 Difference]: Start difference. First operand has 173 places, 171 transitions, 346 flow. Second operand 3 states and 496 transitions. [2024-10-31 22:19:01,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 172 transitions, 380 flow [2024-10-31 22:19:01,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 172 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:19:01,931 INFO L231 Difference]: Finished difference. Result has 174 places, 170 transitions, 348 flow [2024-10-31 22:19:01,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=174, PETRI_TRANSITIONS=170} [2024-10-31 22:19:01,933 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -10 predicate places. [2024-10-31 22:19:01,933 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 170 transitions, 348 flow [2024-10-31 22:19:01,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2024-10-31 22:19:01,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:01,934 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] [2024-10-31 22:19:01,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:19:01,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:01,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:01,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1749844589, now seen corresponding path program 1 times [2024-10-31 22:19:01,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:01,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352357202] [2024-10-31 22:19:01,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:01,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352357202] [2024-10-31 22:19:02,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352357202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:02,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:02,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:02,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558681892] [2024-10-31 22:19:02,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:02,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:02,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:02,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:02,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2024-10-31 22:19:02,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:02,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:02,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:02,175 INFO L124 PetriNetUnfolderBase]: 20/222 cut-off events. [2024-10-31 22:19:02,176 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:19:02,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 222 events. 20/222 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 806 event pairs, 4 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 286. Up to 25 conditions per place. [2024-10-31 22:19:02,180 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2024-10-31 22:19:02,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 170 transitions, 378 flow [2024-10-31 22:19:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-31 22:19:02,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-10-31 22:19:02,185 INFO L175 Difference]: Start difference. First operand has 174 places, 170 transitions, 348 flow. Second operand 3 states and 496 transitions. [2024-10-31 22:19:02,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 170 transitions, 378 flow [2024-10-31 22:19:02,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:02,192 INFO L231 Difference]: Finished difference. Result has 172 places, 168 transitions, 344 flow [2024-10-31 22:19:02,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=172, PETRI_TRANSITIONS=168} [2024-10-31 22:19:02,196 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -12 predicate places. [2024-10-31 22:19:02,196 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 168 transitions, 344 flow [2024-10-31 22:19:02,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2024-10-31 22:19:02,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:02,197 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] [2024-10-31 22:19:02,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:19:02,197 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:02,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,198 INFO L85 PathProgramCache]: Analyzing trace with hash -934832415, now seen corresponding path program 1 times [2024-10-31 22:19:02,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874485246] [2024-10-31 22:19:02,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874485246] [2024-10-31 22:19:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874485246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:02,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:02,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:02,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496029894] [2024-10-31 22:19:02,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:02,323 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:02,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:02,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:02,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:02,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:02,395 INFO L124 PetriNetUnfolderBase]: 16/288 cut-off events. [2024-10-31 22:19:02,397 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:02,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 288 events. 16/288 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1079 event pairs, 7 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 327. Up to 26 conditions per place. [2024-10-31 22:19:02,401 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2024-10-31 22:19:02,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 372 flow [2024-10-31 22:19:02,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-31 22:19:02,405 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2024-10-31 22:19:02,405 INFO L175 Difference]: Start difference. First operand has 172 places, 168 transitions, 344 flow. Second operand 3 states and 495 transitions. [2024-10-31 22:19:02,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 372 flow [2024-10-31 22:19:02,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:02,409 INFO L231 Difference]: Finished difference. Result has 171 places, 167 transitions, 342 flow [2024-10-31 22:19:02,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=171, PETRI_TRANSITIONS=167} [2024-10-31 22:19:02,411 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -13 predicate places. [2024-10-31 22:19:02,412 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 167 transitions, 342 flow [2024-10-31 22:19:02,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:02,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:02,413 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] [2024-10-31 22:19:02,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:19:02,413 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:02,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1890395950, now seen corresponding path program 1 times [2024-10-31 22:19:02,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735040894] [2024-10-31 22:19:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735040894] [2024-10-31 22:19:02,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735040894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:02,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:02,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:02,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648131910] [2024-10-31 22:19:02,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:02,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:02,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 188 [2024-10-31 22:19:02,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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) [2024-10-31 22:19:02,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:02,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 188 [2024-10-31 22:19:02,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:02,626 INFO L124 PetriNetUnfolderBase]: 49/479 cut-off events. [2024-10-31 22:19:02,626 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:02,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 479 events. 49/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2570 event pairs, 30 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 571. Up to 67 conditions per place. [2024-10-31 22:19:02,631 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2024-10-31 22:19:02,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 378 flow [2024-10-31 22:19:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2024-10-31 22:19:02,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8723404255319149 [2024-10-31 22:19:02,636 INFO L175 Difference]: Start difference. First operand has 171 places, 167 transitions, 342 flow. Second operand 3 states and 492 transitions. [2024-10-31 22:19:02,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 378 flow [2024-10-31 22:19:02,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 168 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:02,641 INFO L231 Difference]: Finished difference. Result has 170 places, 166 transitions, 340 flow [2024-10-31 22:19:02,642 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=170, PETRI_TRANSITIONS=166} [2024-10-31 22:19:02,645 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -14 predicate places. [2024-10-31 22:19:02,645 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 166 transitions, 340 flow [2024-10-31 22:19:02,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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) [2024-10-31 22:19:02,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:02,647 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] [2024-10-31 22:19:02,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:19:02,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:02,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1023988735, now seen corresponding path program 1 times [2024-10-31 22:19:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305744334] [2024-10-31 22:19:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305744334] [2024-10-31 22:19:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305744334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926269583] [2024-10-31 22:19:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:02,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:02,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:02,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:02,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:02,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:02,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:02,825 INFO L124 PetriNetUnfolderBase]: 15/281 cut-off events. [2024-10-31 22:19:02,825 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:02,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 281 events. 15/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1018 event pairs, 3 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 319. Up to 15 conditions per place. [2024-10-31 22:19:02,828 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-10-31 22:19:02,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 364 flow [2024-10-31 22:19:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-31 22:19:02,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2024-10-31 22:19:02,830 INFO L175 Difference]: Start difference. First operand has 170 places, 166 transitions, 340 flow. Second operand 3 states and 495 transitions. [2024-10-31 22:19:02,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 364 flow [2024-10-31 22:19:02,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:02,834 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 336 flow [2024-10-31 22:19:02,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=168, PETRI_TRANSITIONS=164} [2024-10-31 22:19:02,837 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -16 predicate places. [2024-10-31 22:19:02,838 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 336 flow [2024-10-31 22:19:02,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:02,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:02,838 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] [2024-10-31 22:19:02,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:19:02,839 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:02,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1174888269, now seen corresponding path program 1 times [2024-10-31 22:19:02,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617100137] [2024-10-31 22:19:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617100137] [2024-10-31 22:19:02,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617100137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:02,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:02,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:02,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348693883] [2024-10-31 22:19:02,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:02,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:02,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:02,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:02,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:02,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:02,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:02,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,011 INFO L124 PetriNetUnfolderBase]: 37/449 cut-off events. [2024-10-31 22:19:03,012 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 449 events. 37/449 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2214 event pairs, 10 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 517. Up to 32 conditions per place. [2024-10-31 22:19:03,016 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-10-31 22:19:03,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 364 flow [2024-10-31 22:19:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-31 22:19:03,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-10-31 22:19:03,018 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 336 flow. Second operand 3 states and 496 transitions. [2024-10-31 22:19:03,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 364 flow [2024-10-31 22:19:03,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,021 INFO L231 Difference]: Finished difference. Result has 166 places, 162 transitions, 332 flow [2024-10-31 22:19:03,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=166, PETRI_TRANSITIONS=162} [2024-10-31 22:19:03,023 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -18 predicate places. [2024-10-31 22:19:03,023 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 162 transitions, 332 flow [2024-10-31 22:19:03,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:03,024 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,025 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] [2024-10-31 22:19:03,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:19:03,025 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1742870495, now seen corresponding path program 1 times [2024-10-31 22:19:03,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274798362] [2024-10-31 22:19:03,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274798362] [2024-10-31 22:19:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274798362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:03,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016428922] [2024-10-31 22:19:03,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:03,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 162 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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) [2024-10-31 22:19:03,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:03,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,153 INFO L124 PetriNetUnfolderBase]: 20/213 cut-off events. [2024-10-31 22:19:03,153 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 213 events. 20/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 753 event pairs, 10 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 276. Up to 34 conditions per place. [2024-10-31 22:19:03,156 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-10-31 22:19:03,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 163 transitions, 366 flow [2024-10-31 22:19:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-31 22:19:03,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-10-31 22:19:03,158 INFO L175 Difference]: Start difference. First operand has 166 places, 162 transitions, 332 flow. Second operand 3 states and 496 transitions. [2024-10-31 22:19:03,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 163 transitions, 366 flow [2024-10-31 22:19:03,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,162 INFO L231 Difference]: Finished difference. Result has 165 places, 161 transitions, 330 flow [2024-10-31 22:19:03,162 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=165, PETRI_TRANSITIONS=161} [2024-10-31 22:19:03,164 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -19 predicate places. [2024-10-31 22:19:03,165 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 161 transitions, 330 flow [2024-10-31 22:19:03,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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) [2024-10-31 22:19:03,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,165 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] [2024-10-31 22:19:03,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:19:03,166 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1408283567, now seen corresponding path program 1 times [2024-10-31 22:19:03,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054281309] [2024-10-31 22:19:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054281309] [2024-10-31 22:19:03,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054281309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:03,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674470062] [2024-10-31 22:19:03,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 188 [2024-10-31 22:19:03,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2024-10-31 22:19:03,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 188 [2024-10-31 22:19:03,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,316 INFO L124 PetriNetUnfolderBase]: 33/412 cut-off events. [2024-10-31 22:19:03,316 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 412 events. 33/412 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1868 event pairs, 6 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 472. Up to 32 conditions per place. [2024-10-31 22:19:03,320 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 10 selfloop transitions, 3 changer transitions 0/161 dead transitions. [2024-10-31 22:19:03,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 356 flow [2024-10-31 22:19:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-10-31 22:19:03,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2024-10-31 22:19:03,323 INFO L175 Difference]: Start difference. First operand has 165 places, 161 transitions, 330 flow. Second operand 3 states and 498 transitions. [2024-10-31 22:19:03,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 356 flow [2024-10-31 22:19:03,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,326 INFO L231 Difference]: Finished difference. Result has 163 places, 159 transitions, 328 flow [2024-10-31 22:19:03,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=163, PETRI_TRANSITIONS=159} [2024-10-31 22:19:03,327 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -21 predicate places. [2024-10-31 22:19:03,327 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 159 transitions, 328 flow [2024-10-31 22:19:03,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2024-10-31 22:19:03,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,328 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] [2024-10-31 22:19:03,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:19:03,329 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,329 INFO L85 PathProgramCache]: Analyzing trace with hash 445824893, now seen corresponding path program 1 times [2024-10-31 22:19:03,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590566271] [2024-10-31 22:19:03,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590566271] [2024-10-31 22:19:03,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590566271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:03,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274690135] [2024-10-31 22:19:03,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 188 [2024-10-31 22:19:03,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 159 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2024-10-31 22:19:03,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 188 [2024-10-31 22:19:03,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,461 INFO L124 PetriNetUnfolderBase]: 31/360 cut-off events. [2024-10-31 22:19:03,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 360 events. 31/360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1470 event pairs, 6 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 426. Up to 32 conditions per place. [2024-10-31 22:19:03,467 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-31 22:19:03,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 354 flow [2024-10-31 22:19:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-10-31 22:19:03,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2024-10-31 22:19:03,469 INFO L175 Difference]: Start difference. First operand has 163 places, 159 transitions, 328 flow. Second operand 3 states and 498 transitions. [2024-10-31 22:19:03,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 354 flow [2024-10-31 22:19:03,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,473 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 322 flow [2024-10-31 22:19:03,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-10-31 22:19:03,473 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -23 predicate places. [2024-10-31 22:19:03,474 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 322 flow [2024-10-31 22:19:03,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2024-10-31 22:19:03,474 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,474 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] [2024-10-31 22:19:03,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:19:03,475 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1193293355, now seen corresponding path program 1 times [2024-10-31 22:19:03,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680996212] [2024-10-31 22:19:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680996212] [2024-10-31 22:19:03,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680996212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:03,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886141608] [2024-10-31 22:19:03,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:03,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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) [2024-10-31 22:19:03,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:03,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,589 INFO L124 PetriNetUnfolderBase]: 15/266 cut-off events. [2024-10-31 22:19:03,589 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 266 events. 15/266 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 920 event pairs, 6 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 306. Up to 25 conditions per place. [2024-10-31 22:19:03,592 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-10-31 22:19:03,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 350 flow [2024-10-31 22:19:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-31 22:19:03,594 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2024-10-31 22:19:03,594 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 322 flow. Second operand 3 states and 495 transitions. [2024-10-31 22:19:03,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 350 flow [2024-10-31 22:19:03,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,597 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 320 flow [2024-10-31 22:19:03,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-10-31 22:19:03,598 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-10-31 22:19:03,598 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 320 flow [2024-10-31 22:19:03,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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) [2024-10-31 22:19:03,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,599 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] [2024-10-31 22:19:03,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:19:03,599 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,599 INFO L85 PathProgramCache]: Analyzing trace with hash 215393162, now seen corresponding path program 1 times [2024-10-31 22:19:03,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100907794] [2024-10-31 22:19:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100907794] [2024-10-31 22:19:03,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100907794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:03,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960409399] [2024-10-31 22:19:03,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-10-31 22:19:03,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2024-10-31 22:19:03,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-10-31 22:19:03,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,731 INFO L124 PetriNetUnfolderBase]: 41/436 cut-off events. [2024-10-31 22:19:03,731 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 436 events. 41/436 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2170 event pairs, 22 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 512. Up to 51 conditions per place. [2024-10-31 22:19:03,734 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-10-31 22:19:03,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 352 flow [2024-10-31 22:19:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-31 22:19:03,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-10-31 22:19:03,737 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 320 flow. Second operand 3 states and 496 transitions. [2024-10-31 22:19:03,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 352 flow [2024-10-31 22:19:03,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,740 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 318 flow [2024-10-31 22:19:03,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-10-31 22:19:03,741 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -25 predicate places. [2024-10-31 22:19:03,741 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 318 flow [2024-10-31 22:19:03,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2024-10-31 22:19:03,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,741 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] [2024-10-31 22:19:03,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:19:03,742 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1089341189, now seen corresponding path program 1 times [2024-10-31 22:19:03,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442898505] [2024-10-31 22:19:03,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442898505] [2024-10-31 22:19:03,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442898505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:03,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18962421] [2024-10-31 22:19:03,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,842 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 188 [2024-10-31 22:19:03,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-10-31 22:19:03,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 188 [2024-10-31 22:19:03,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:03,941 INFO L124 PetriNetUnfolderBase]: 25/550 cut-off events. [2024-10-31 22:19:03,942 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:03,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 550 events. 25/550 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2286 event pairs, 6 based on Foata normal form. 4/504 useless extension candidates. Maximal degree in co-relation 611. Up to 21 conditions per place. [2024-10-31 22:19:03,946 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-10-31 22:19:03,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 350 flow [2024-10-31 22:19:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2024-10-31 22:19:03,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8971631205673759 [2024-10-31 22:19:03,948 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 318 flow. Second operand 3 states and 506 transitions. [2024-10-31 22:19:03,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 350 flow [2024-10-31 22:19:03,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:03,953 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 326 flow [2024-10-31 22:19:03,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-10-31 22:19:03,978 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-10-31 22:19:03,978 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 326 flow [2024-10-31 22:19:03,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-10-31 22:19:03,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:03,980 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] [2024-10-31 22:19:03,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:19:03,981 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:03,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,981 INFO L85 PathProgramCache]: Analyzing trace with hash -800692820, now seen corresponding path program 1 times [2024-10-31 22:19:03,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639016570] [2024-10-31 22:19:03,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:04,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:04,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639016570] [2024-10-31 22:19:04,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639016570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:04,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:04,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:04,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460114458] [2024-10-31 22:19:04,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:04,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:04,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:04,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:04,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:04,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-10-31 22:19:04,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2024-10-31 22:19:04,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:04,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-10-31 22:19:04,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:04,221 INFO L124 PetriNetUnfolderBase]: 65/584 cut-off events. [2024-10-31 22:19:04,221 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:19:04,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 584 events. 65/584 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2923 event pairs, 38 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 721. Up to 83 conditions per place. [2024-10-31 22:19:04,227 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-10-31 22:19:04,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 360 flow [2024-10-31 22:19:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-10-31 22:19:04,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2024-10-31 22:19:04,230 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 326 flow. Second operand 3 states and 494 transitions. [2024-10-31 22:19:04,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 360 flow [2024-10-31 22:19:04,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:19:04,233 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 326 flow [2024-10-31 22:19:04,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-10-31 22:19:04,235 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-10-31 22:19:04,236 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 326 flow [2024-10-31 22:19:04,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2024-10-31 22:19:04,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:04,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:04,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:19:04,237 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:04,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:04,237 INFO L85 PathProgramCache]: Analyzing trace with hash 809008106, now seen corresponding path program 1 times [2024-10-31 22:19:04,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:04,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137653690] [2024-10-31 22:19:04,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:04,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:04,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:04,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137653690] [2024-10-31 22:19:04,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137653690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:04,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:04,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:04,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576215748] [2024-10-31 22:19:04,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:04,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:04,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:04,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:04,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 188 [2024-10-31 22:19:04,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-10-31 22:19:04,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:04,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 188 [2024-10-31 22:19:04,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:04,396 INFO L124 PetriNetUnfolderBase]: 49/554 cut-off events. [2024-10-31 22:19:04,396 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:04,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 554 events. 49/554 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2407 event pairs, 10 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 651. Up to 40 conditions per place. [2024-10-31 22:19:04,401 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 10 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-10-31 22:19:04,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 354 flow [2024-10-31 22:19:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-10-31 22:19:04,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8953900709219859 [2024-10-31 22:19:04,403 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 326 flow. Second operand 3 states and 505 transitions. [2024-10-31 22:19:04,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 354 flow [2024-10-31 22:19:04,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:04,407 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 330 flow [2024-10-31 22:19:04,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-10-31 22:19:04,408 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-10-31 22:19:04,408 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 330 flow [2024-10-31 22:19:04,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-10-31 22:19:04,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:04,409 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] [2024-10-31 22:19:04,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:19:04,409 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:04,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:04,409 INFO L85 PathProgramCache]: Analyzing trace with hash 654170415, now seen corresponding path program 1 times [2024-10-31 22:19:04,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:04,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801942245] [2024-10-31 22:19:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:04,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:04,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801942245] [2024-10-31 22:19:04,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801942245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:04,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:04,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:04,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912015620] [2024-10-31 22:19:04,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:04,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:04,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:04,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:04,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:04,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-10-31 22:19:04,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:04,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:04,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-10-31 22:19:04,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:04,573 INFO L124 PetriNetUnfolderBase]: 69/572 cut-off events. [2024-10-31 22:19:04,574 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-31 22:19:04,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 572 events. 69/572 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2880 event pairs, 42 based on Foata normal form. 0/546 useless extension candidates. Maximal degree in co-relation 733. Up to 91 conditions per place. [2024-10-31 22:19:04,578 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-10-31 22:19:04,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 364 flow [2024-10-31 22:19:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-10-31 22:19:04,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2024-10-31 22:19:04,580 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 330 flow. Second operand 3 states and 494 transitions. [2024-10-31 22:19:04,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 364 flow [2024-10-31 22:19:04,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 362 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:19:04,583 INFO L231 Difference]: Finished difference. Result has 160 places, 154 transitions, 330 flow [2024-10-31 22:19:04,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=160, PETRI_TRANSITIONS=154} [2024-10-31 22:19:04,584 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-10-31 22:19:04,584 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 154 transitions, 330 flow [2024-10-31 22:19:04,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-31 22:19:04,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:04,585 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] [2024-10-31 22:19:04,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:19:04,585 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:04,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash 308719358, now seen corresponding path program 1 times [2024-10-31 22:19:04,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:04,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597922128] [2024-10-31 22:19:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:04,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:04,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597922128] [2024-10-31 22:19:04,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597922128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:04,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:04,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:04,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037414869] [2024-10-31 22:19:04,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:04,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:04,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:04,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:04,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:04,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 188 [2024-10-31 22:19:04,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 154 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-10-31 22:19:04,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:04,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 188 [2024-10-31 22:19:04,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:04,763 INFO L124 PetriNetUnfolderBase]: 57/556 cut-off events. [2024-10-31 22:19:04,764 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:04,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 556 events. 57/556 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2543 event pairs, 38 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 705. Up to 83 conditions per place. [2024-10-31 22:19:04,768 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2024-10-31 22:19:04,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 155 transitions, 366 flow [2024-10-31 22:19:04,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2024-10-31 22:19:04,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8723404255319149 [2024-10-31 22:19:04,771 INFO L175 Difference]: Start difference. First operand has 160 places, 154 transitions, 330 flow. Second operand 3 states and 492 transitions. [2024-10-31 22:19:04,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 155 transitions, 366 flow [2024-10-31 22:19:04,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 155 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:04,775 INFO L231 Difference]: Finished difference. Result has 159 places, 153 transitions, 328 flow [2024-10-31 22:19:04,776 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=159, PETRI_TRANSITIONS=153} [2024-10-31 22:19:04,776 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -25 predicate places. [2024-10-31 22:19:04,776 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 153 transitions, 328 flow [2024-10-31 22:19:04,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-10-31 22:19:04,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:04,777 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:04,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:19:04,777 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:04,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2042320711, now seen corresponding path program 1 times [2024-10-31 22:19:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:04,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178304473] [2024-10-31 22:19:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:04,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:04,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:04,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178304473] [2024-10-31 22:19:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178304473] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:04,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086210623] [2024-10-31 22:19:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:04,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:04,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:19:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:05,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:19:05,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:05,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086210623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:05,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:05,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-31 22:19:05,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104296709] [2024-10-31 22:19:05,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:05,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:05,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:05,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:05,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:19:05,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 188 [2024-10-31 22:19:05,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 153 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2024-10-31 22:19:05,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:05,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 188 [2024-10-31 22:19:05,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:05,171 INFO L124 PetriNetUnfolderBase]: 36/485 cut-off events. [2024-10-31 22:19:05,171 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:19:05,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 485 events. 36/485 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1794 event pairs, 1 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 563. Up to 31 conditions per place. [2024-10-31 22:19:05,175 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 9 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2024-10-31 22:19:05,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 362 flow [2024-10-31 22:19:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2024-10-31 22:19:05,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9024822695035462 [2024-10-31 22:19:05,178 INFO L175 Difference]: Start difference. First operand has 159 places, 153 transitions, 328 flow. Second operand 3 states and 509 transitions. [2024-10-31 22:19:05,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 362 flow [2024-10-31 22:19:05,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:05,181 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 358 flow [2024-10-31 22:19:05,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-10-31 22:19:05,181 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -23 predicate places. [2024-10-31 22:19:05,182 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 358 flow [2024-10-31 22:19:05,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2024-10-31 22:19:05,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:05,182 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:05,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:19:05,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:19:05,383 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:05,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:05,383 INFO L85 PathProgramCache]: Analyzing trace with hash -222269459, now seen corresponding path program 1 times [2024-10-31 22:19:05,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:05,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314390419] [2024-10-31 22:19:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:05,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314390419] [2024-10-31 22:19:05,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314390419] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:05,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370499273] [2024-10-31 22:19:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:05,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:05,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:19:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:05,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:19:05,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:05,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370499273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:05,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:05,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-31 22:19:05,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566143275] [2024-10-31 22:19:05,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:05,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:05,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:05,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:19:05,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 188 [2024-10-31 22:19:05,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2024-10-31 22:19:05,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:05,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 188 [2024-10-31 22:19:05,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:05,824 INFO L124 PetriNetUnfolderBase]: 78/601 cut-off events. [2024-10-31 22:19:05,824 INFO L125 PetriNetUnfolderBase]: For 138/151 co-relation queries the response was YES. [2024-10-31 22:19:05,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 601 events. 78/601 cut-off events. For 138/151 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2732 event pairs, 0 based on Foata normal form. 8/564 useless extension candidates. Maximal degree in co-relation 865. Up to 59 conditions per place. [2024-10-31 22:19:05,831 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 12 selfloop transitions, 6 changer transitions 0/164 dead transitions. [2024-10-31 22:19:05,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 164 transitions, 422 flow [2024-10-31 22:19:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:05,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 510 transitions. [2024-10-31 22:19:05,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042553191489362 [2024-10-31 22:19:05,833 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 358 flow. Second operand 3 states and 510 transitions. [2024-10-31 22:19:05,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 164 transitions, 422 flow [2024-10-31 22:19:05,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 164 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:05,837 INFO L231 Difference]: Finished difference. Result has 163 places, 163 transitions, 408 flow [2024-10-31 22:19:05,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=163, PETRI_TRANSITIONS=163} [2024-10-31 22:19:05,838 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -21 predicate places. [2024-10-31 22:19:05,838 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 163 transitions, 408 flow [2024-10-31 22:19:05,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2024-10-31 22:19:05,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:05,839 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:05,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:19:06,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:06,039 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:06,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:06,040 INFO L85 PathProgramCache]: Analyzing trace with hash -237909861, now seen corresponding path program 1 times [2024-10-31 22:19:06,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:06,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437734991] [2024-10-31 22:19:06,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:06,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:06,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437734991] [2024-10-31 22:19:06,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437734991] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:06,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689400723] [2024-10-31 22:19:06,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:06,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:06,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:06,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:19:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:06,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:19:06,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:06,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:06,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689400723] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:06,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:06,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-31 22:19:06,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961075482] [2024-10-31 22:19:06,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:06,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:19:06,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:06,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:19:06,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:06,531 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-10-31 22:19:06,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 163 transitions, 408 flow. Second operand has 10 states, 10 states have (on average 161.4) internal successors, (1614), 10 states have internal predecessors, (1614), 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) [2024-10-31 22:19:06,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:06,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-10-31 22:19:06,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:06,919 INFO L124 PetriNetUnfolderBase]: 242/1310 cut-off events. [2024-10-31 22:19:06,920 INFO L125 PetriNetUnfolderBase]: For 1036/1068 co-relation queries the response was YES. [2024-10-31 22:19:06,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 1310 events. 242/1310 cut-off events. For 1036/1068 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6597 event pairs, 13 based on Foata normal form. 16/1267 useless extension candidates. Maximal degree in co-relation 2346. Up to 138 conditions per place. [2024-10-31 22:19:06,934 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 63 selfloop transitions, 9 changer transitions 0/213 dead transitions. [2024-10-31 22:19:06,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 213 transitions, 864 flow [2024-10-31 22:19:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:19:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:19:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1471 transitions. [2024-10-31 22:19:06,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8693853427895981 [2024-10-31 22:19:06,938 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 408 flow. Second operand 9 states and 1471 transitions. [2024-10-31 22:19:06,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 213 transitions, 864 flow [2024-10-31 22:19:06,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 213 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:06,944 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 446 flow [2024-10-31 22:19:06,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=446, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2024-10-31 22:19:06,945 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, -12 predicate places. [2024-10-31 22:19:06,946 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 446 flow [2024-10-31 22:19:06,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 161.4) internal successors, (1614), 10 states have internal predecessors, (1614), 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) [2024-10-31 22:19:06,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:06,947 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-31 22:19:06,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:19:07,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:07,148 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:07,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:07,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1218412197, now seen corresponding path program 2 times [2024-10-31 22:19:07,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:07,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118442988] [2024-10-31 22:19:07,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:07,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:07,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:07,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118442988] [2024-10-31 22:19:07,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118442988] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089149910] [2024-10-31 22:19:07,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:19:07,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:07,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:07,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:07,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:19:07,581 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:19:07,581 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:19:07,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:19:07,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:07,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:08,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089149910] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:08,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:08,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-31 22:19:08,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403954874] [2024-10-31 22:19:08,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:08,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-31 22:19:08,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:08,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-31 22:19:08,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:19:08,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-10-31 22:19:08,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 446 flow. Second operand has 18 states, 18 states have (on average 161.22222222222223) internal successors, (2902), 18 states have internal predecessors, (2902), 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) [2024-10-31 22:19:08,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:08,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-10-31 22:19:08,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:09,249 INFO L124 PetriNetUnfolderBase]: 402/2170 cut-off events. [2024-10-31 22:19:09,249 INFO L125 PetriNetUnfolderBase]: For 1539/1571 co-relation queries the response was YES. [2024-10-31 22:19:09,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3921 conditions, 2170 events. 402/2170 cut-off events. For 1539/1571 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 10604 event pairs, 13 based on Foata normal form. 26/2135 useless extension candidates. Maximal degree in co-relation 3911. Up to 218 conditions per place. [2024-10-31 22:19:09,275 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 139 selfloop transitions, 21 changer transitions 0/301 dead transitions. [2024-10-31 22:19:09,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 301 transitions, 1546 flow [2024-10-31 22:19:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-31 22:19:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-31 22:19:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3421 transitions. [2024-10-31 22:19:09,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8665146909827761 [2024-10-31 22:19:09,284 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 446 flow. Second operand 21 states and 3421 transitions. [2024-10-31 22:19:09,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 301 transitions, 1546 flow [2024-10-31 22:19:09,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 301 transitions, 1532 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-10-31 22:19:09,294 INFO L231 Difference]: Finished difference. Result has 196 places, 182 transitions, 570 flow [2024-10-31 22:19:09,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=570, PETRI_PLACES=196, PETRI_TRANSITIONS=182} [2024-10-31 22:19:09,295 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, 12 predicate places. [2024-10-31 22:19:09,295 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 182 transitions, 570 flow [2024-10-31 22:19:09,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 161.22222222222223) internal successors, (2902), 18 states have internal predecessors, (2902), 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) [2024-10-31 22:19:09,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:09,297 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2024-10-31 22:19:09,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:19:09,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:09,502 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:09,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:09,503 INFO L85 PathProgramCache]: Analyzing trace with hash 557794011, now seen corresponding path program 3 times [2024-10-31 22:19:09,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591972618] [2024-10-31 22:19:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:10,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:10,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591972618] [2024-10-31 22:19:10,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591972618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:10,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670697751] [2024-10-31 22:19:10,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:19:10,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:10,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:10,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:19:10,481 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-31 22:19:10,481 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:19:10,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:19:10,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:10,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:11,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670697751] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:11,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:11,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-10-31 22:19:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480471829] [2024-10-31 22:19:11,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:11,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-31 22:19:11,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:11,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-31 22:19:11,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-31 22:19:11,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-10-31 22:19:11,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 182 transitions, 570 flow. Second operand has 34 states, 34 states have (on average 161.11764705882354) internal successors, (5478), 34 states have internal predecessors, (5478), 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) [2024-10-31 22:19:11,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:11,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-10-31 22:19:11,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:14,252 INFO L124 PetriNetUnfolderBase]: 722/3890 cut-off events. [2024-10-31 22:19:14,252 INFO L125 PetriNetUnfolderBase]: For 4577/4609 co-relation queries the response was YES. [2024-10-31 22:19:14,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7472 conditions, 3890 events. 722/3890 cut-off events. For 4577/4609 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 18669 event pairs, 13 based on Foata normal form. 46/3875 useless extension candidates. Maximal degree in co-relation 7457. Up to 378 conditions per place. [2024-10-31 22:19:14,300 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 291 selfloop transitions, 45 changer transitions 0/477 dead transitions. [2024-10-31 22:19:14,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 477 transitions, 3078 flow [2024-10-31 22:19:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-31 22:19:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-10-31 22:19:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 7321 transitions. [2024-10-31 22:19:14,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653664302600473 [2024-10-31 22:19:14,314 INFO L175 Difference]: Start difference. First operand has 196 places, 182 transitions, 570 flow. Second operand 45 states and 7321 transitions. [2024-10-31 22:19:14,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 477 transitions, 3078 flow [2024-10-31 22:19:14,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 477 transitions, 3038 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-10-31 22:19:14,329 INFO L231 Difference]: Finished difference. Result has 243 places, 207 transitions, 848 flow [2024-10-31 22:19:14,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=848, PETRI_PLACES=243, PETRI_TRANSITIONS=207} [2024-10-31 22:19:14,330 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, 59 predicate places. [2024-10-31 22:19:14,330 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 207 transitions, 848 flow [2024-10-31 22:19:14,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 161.11764705882354) internal successors, (5478), 34 states have internal predecessors, (5478), 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) [2024-10-31 22:19:14,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:14,334 INFO L204 CegarLoopForPetriNet]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:14,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:19:14,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-31 22:19:14,538 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:14,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:14,539 INFO L85 PathProgramCache]: Analyzing trace with hash 178363133, now seen corresponding path program 4 times [2024-10-31 22:19:14,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:14,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368158278] [2024-10-31 22:19:14,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:14,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:16,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:16,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368158278] [2024-10-31 22:19:16,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368158278] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:16,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583771824] [2024-10-31 22:19:16,559 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:19:16,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:16,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:16,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:19:16,773 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:19:16,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:19:16,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-31 22:19:16,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:17,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:19,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583771824] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:19,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:19,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 51 [2024-10-31 22:19:19,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550509996] [2024-10-31 22:19:19,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:19,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-10-31 22:19:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-10-31 22:19:19,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550 [2024-10-31 22:19:19,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-10-31 22:19:19,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 207 transitions, 848 flow. Second operand has 51 states, 51 states have (on average 161.11764705882354) internal successors, (8217), 51 states have internal predecessors, (8217), 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) [2024-10-31 22:19:19,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:19,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-10-31 22:19:19,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:24,244 INFO L124 PetriNetUnfolderBase]: 1082/5825 cut-off events. [2024-10-31 22:19:24,244 INFO L125 PetriNetUnfolderBase]: For 12456/12488 co-relation queries the response was YES. [2024-10-31 22:19:24,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11792 conditions, 5825 events. 1082/5825 cut-off events. For 12456/12488 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 27725 event pairs, 13 based on Foata normal form. 51/5815 useless extension candidates. Maximal degree in co-relation 11768. Up to 558 conditions per place. [2024-10-31 22:19:24,305 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 462 selfloop transitions, 72 changer transitions 0/675 dead transitions. [2024-10-31 22:19:24,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 675 transitions, 4930 flow [2024-10-31 22:19:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-31 22:19:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2024-10-31 22:19:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 11705 transitions. [2024-10-31 22:19:24,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8647310874704491 [2024-10-31 22:19:24,328 INFO L175 Difference]: Start difference. First operand has 243 places, 207 transitions, 848 flow. Second operand 72 states and 11705 transitions. [2024-10-31 22:19:24,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 675 transitions, 4930 flow [2024-10-31 22:19:24,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 675 transitions, 4856 flow, removed 19 selfloop flow, removed 18 redundant places. [2024-10-31 22:19:24,359 INFO L231 Difference]: Finished difference. Result has 306 places, 235 transitions, 1230 flow [2024-10-31 22:19:24,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=72, PETRI_FLOW=1230, PETRI_PLACES=306, PETRI_TRANSITIONS=235} [2024-10-31 22:19:24,360 INFO L277 CegarLoopForPetriNet]: 184 programPoint places, 122 predicate places. [2024-10-31 22:19:24,360 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 235 transitions, 1230 flow [2024-10-31 22:19:24,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 161.11764705882354) internal successors, (8217), 51 states have internal predecessors, (8217), 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) [2024-10-31 22:19:24,364 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:24,365 INFO L204 CegarLoopForPetriNet]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:24,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:19:24,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17e2412-1c1c-42bc-99e6-6e5b7fa3bad2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-31 22:19:24,570 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 22:19:24,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash -345968355, now seen corresponding path program 5 times [2024-10-31 22:19:24,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:24,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845170435] [2024-10-31 22:19:24,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:24,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat