./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX --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 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:30:50,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:30:50,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:30:50,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:30:50,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:30:50,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:30:50,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:30:50,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:30:50,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:30:50,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:30:50,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:30:50,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:30:50,819 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:30:50,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:30:50,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:30:50,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:30:50,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:30:50,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:30:50,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:30:50,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:30:50,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:30:50,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:30:50,830 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:30:50,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:30:50,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:30:50,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:30:50,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:30:50,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:30:50,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:30:50,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:30:50,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:30:50,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:50,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:30:50,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:30:50,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:30:50,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:30:50,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:30:50,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:30:50,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:30:50,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:30:50,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:30:50,839 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_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 [2024-11-08 16:30:51,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:30:51,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:30:51,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:30:51,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:30:51,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:30:51,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i Unable to find full path for "g++" [2024-11-08 16:30:53,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:30:53,721 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:30:53,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/sv-benchmarks/c/goblint-regression/06-symbeq_03-funloop_simple.i [2024-11-08 16:30:53,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/data/d331d9fb8/fefee6a41420489bb44148a7e3796b78/FLAGa063be250 [2024-11-08 16:30:53,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/data/d331d9fb8/fefee6a41420489bb44148a7e3796b78 [2024-11-08 16:30:53,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:30:53,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:30:53,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:53,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:30:53,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:30:53,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:53" (1/1) ... [2024-11-08 16:30:53,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb52bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:53, skipping insertion in model container [2024-11-08 16:30:53,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:53" (1/1) ... [2024-11-08 16:30:53,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:30:54,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:54,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:30:54,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:54,736 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:30:54,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54 WrapperNode [2024-11-08 16:30:54,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:54,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:54,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:30:54,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:30:54,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,839 INFO L138 Inliner]: procedures = 263, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2024-11-08 16:30:54,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:54,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:30:54,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:30:54,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:30:54,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:30:54,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:30:54,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:30:54,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:30:54,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (1/1) ... [2024-11-08 16:30:54,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:54,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:30:54,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:30:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 16:30:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:30:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:30:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 16:30:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:30:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 16:30:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 16:30:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:30:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:30:55,032 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:30:55,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:30:55,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:30:55,834 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:30:55,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:30:55,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:30:55,883 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:30:55,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:55 BoogieIcfgContainer [2024-11-08 16:30:55,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:30:55,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:30:55,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:30:55,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:30:55,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:30:53" (1/3) ... [2024-11-08 16:30:55,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2cfad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:55, skipping insertion in model container [2024-11-08 16:30:55,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:54" (2/3) ... [2024-11-08 16:30:55,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2cfad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:55, skipping insertion in model container [2024-11-08 16:30:55,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:55" (3/3) ... [2024-11-08 16:30:55,902 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2024-11-08 16:30:55,922 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:30:55,923 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 16:30:55,923 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:30:56,021 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 16:30:56,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 184 transitions, 372 flow [2024-11-08 16:30:56,197 INFO L124 PetriNetUnfolderBase]: 6/183 cut-off events. [2024-11-08 16:30:56,197 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:30:56,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 183 events. 6/183 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 214 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2024-11-08 16:30:56,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 184 transitions, 372 flow [2024-11-08 16:30:56,224 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 181 places, 183 transitions, 369 flow [2024-11-08 16:30:56,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:30:56,250 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;@d9e14d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:30:56,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-08 16:30:56,305 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:30:56,305 INFO L124 PetriNetUnfolderBase]: 4/112 cut-off events. [2024-11-08 16:30:56,305 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:30:56,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:56,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:56,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:30:56,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:56,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2078688905, now seen corresponding path program 1 times [2024-11-08 16:30:56,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:56,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458609047] [2024-11-08 16:30:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:56,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:56,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:56,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458609047] [2024-11-08 16:30:56,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458609047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:56,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:56,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:30:56,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779663018] [2024-11-08 16:30:56,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:56,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:56,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:56,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:56,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:56,941 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 184 [2024-11-08 16:30:56,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 183 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:30:56,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:56,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 184 [2024-11-08 16:30:56,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:57,128 INFO L124 PetriNetUnfolderBase]: 20/348 cut-off events. [2024-11-08 16:30:57,131 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:30:57,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 348 events. 20/348 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 794 event pairs, 6 based on Foata normal form. 2/322 useless extension candidates. Maximal degree in co-relation 283. Up to 30 conditions per place. [2024-11-08 16:30:57,139 INFO L140 encePairwiseOnDemand]: 180/184 looper letters, 11 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2024-11-08 16:30:57,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 184 transitions, 397 flow [2024-11-08 16:30:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2024-11-08 16:30:57,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9619565217391305 [2024-11-08 16:30:57,165 INFO L175 Difference]: Start difference. First operand has 181 places, 183 transitions, 369 flow. Second operand 3 states and 531 transitions. [2024-11-08 16:30:57,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 184 transitions, 397 flow [2024-11-08 16:30:57,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 184 transitions, 396 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:57,181 INFO L231 Difference]: Finished difference. Result has 183 places, 184 transitions, 382 flow [2024-11-08 16:30:57,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=183, PETRI_TRANSITIONS=184} [2024-11-08 16:30:57,192 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 2 predicate places. [2024-11-08 16:30:57,192 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 184 transitions, 382 flow [2024-11-08 16:30:57,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:30:57,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:57,193 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:57,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:30:57,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:30:57,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash 971540191, now seen corresponding path program 1 times [2024-11-08 16:30:57,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:57,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492947259] [2024-11-08 16:30:57,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:57,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:57,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492947259] [2024-11-08 16:30:57,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492947259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:57,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130248721] [2024-11-08 16:30:57,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:57,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:57,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:57,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:57,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:30:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:30:57,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 16:30:57,768 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:30:57,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130248721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:57,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:57,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-08 16:30:57,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506920816] [2024-11-08 16:30:57,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:57,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:57,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:57,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:57,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:57,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 184 [2024-11-08 16:30:57,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 184 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:30:57,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:57,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 184 [2024-11-08 16:30:57,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:57,950 INFO L124 PetriNetUnfolderBase]: 26/418 cut-off events. [2024-11-08 16:30:57,950 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:30:57,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 481 conditions, 418 events. 26/418 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1335 event pairs, 10 based on Foata normal form. 6/401 useless extension candidates. Maximal degree in co-relation 401. Up to 37 conditions per place. [2024-11-08 16:30:57,958 INFO L140 encePairwiseOnDemand]: 180/184 looper letters, 15 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2024-11-08 16:30:57,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 189 transitions, 426 flow [2024-11-08 16:30:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-08 16:30:57,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9692028985507246 [2024-11-08 16:30:57,965 INFO L175 Difference]: Start difference. First operand has 183 places, 184 transitions, 382 flow. Second operand 3 states and 535 transitions. [2024-11-08 16:30:57,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 189 transitions, 426 flow [2024-11-08 16:30:57,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:57,976 INFO L231 Difference]: Finished difference. Result has 185 places, 185 transitions, 394 flow [2024-11-08 16:30:57,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=185, PETRI_TRANSITIONS=185} [2024-11-08 16:30:57,978 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 4 predicate places. [2024-11-08 16:30:57,978 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 185 transitions, 394 flow [2024-11-08 16:30:57,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:30:57,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:57,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:58,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:30:58,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:58,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:30:58,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash 518005082, now seen corresponding path program 1 times [2024-11-08 16:30:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:58,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007221707] [2024-11-08 16:30:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:58,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:58,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:58,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007221707] [2024-11-08 16:30:58,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007221707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:58,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205999101] [2024-11-08 16:30:58,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:58,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:58,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:58,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:58,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:30:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:58,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:30:58,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:58,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:30:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:58,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205999101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:30:58,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:30:58,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 16:30:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102322202] [2024-11-08 16:30:58,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:30:58,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:30:58,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:58,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:30:58,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:30:58,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 184 [2024-11-08 16:30:58,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 185 transitions, 394 flow. Second operand has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:30:58,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:58,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 184 [2024-11-08 16:30:58,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:59,159 INFO L124 PetriNetUnfolderBase]: 19/407 cut-off events. [2024-11-08 16:30:59,160 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:30:59,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 407 events. 19/407 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1114 event pairs, 10 based on Foata normal form. 4/388 useless extension candidates. Maximal degree in co-relation 367. Up to 34 conditions per place. [2024-11-08 16:30:59,165 INFO L140 encePairwiseOnDemand]: 177/184 looper letters, 17 selfloop transitions, 9 changer transitions 0/194 dead transitions. [2024-11-08 16:30:59,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 194 transitions, 464 flow [2024-11-08 16:30:59,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:30:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:30:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1542 transitions. [2024-11-08 16:30:59,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311594202898551 [2024-11-08 16:30:59,172 INFO L175 Difference]: Start difference. First operand has 185 places, 185 transitions, 394 flow. Second operand 9 states and 1542 transitions. [2024-11-08 16:30:59,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 194 transitions, 464 flow [2024-11-08 16:30:59,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 194 transitions, 462 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:59,182 INFO L231 Difference]: Finished difference. Result has 195 places, 190 transitions, 438 flow [2024-11-08 16:30:59,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=438, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2024-11-08 16:30:59,183 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 14 predicate places. [2024-11-08 16:30:59,184 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 438 flow [2024-11-08 16:30:59,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:30:59,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:59,187 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:59,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:30:59,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:59,392 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:30:59,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:59,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2095797802, now seen corresponding path program 2 times [2024-11-08 16:30:59,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:59,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831068062] [2024-11-08 16:30:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:59,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:59,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831068062] [2024-11-08 16:30:59,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831068062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:59,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382949335] [2024-11-08 16:30:59,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:30:59,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:59,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:59,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:30:59,918 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 16:30:59,918 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:30:59,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:30:59,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:59,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 16:31:00,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 16:31:00,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:31:00,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 16:31:00,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:31:00,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 16:31:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 16:31:00,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:00,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382949335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:00,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:31:00,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-08 16:31:00,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320677462] [2024-11-08 16:31:00,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:00,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:31:00,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:00,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:31:00,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:00,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 184 [2024-11-08 16:31:00,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 438 flow. Second operand has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:00,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:00,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 184 [2024-11-08 16:31:00,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:01,085 INFO L124 PetriNetUnfolderBase]: 382/1870 cut-off events. [2024-11-08 16:31:01,086 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-08 16:31:01,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 1870 events. 382/1870 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 12875 event pairs, 172 based on Foata normal form. 0/1728 useless extension candidates. Maximal degree in co-relation 2544. Up to 583 conditions per place. [2024-11-08 16:31:01,154 INFO L140 encePairwiseOnDemand]: 169/184 looper letters, 34 selfloop transitions, 38 changer transitions 0/235 dead transitions. [2024-11-08 16:31:01,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 235 transitions, 672 flow [2024-11-08 16:31:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:31:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:31:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1015 transitions. [2024-11-08 16:31:01,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9193840579710145 [2024-11-08 16:31:01,158 INFO L175 Difference]: Start difference. First operand has 195 places, 190 transitions, 438 flow. Second operand 6 states and 1015 transitions. [2024-11-08 16:31:01,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 235 transitions, 672 flow [2024-11-08 16:31:01,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 235 transitions, 666 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-08 16:31:01,166 INFO L231 Difference]: Finished difference. Result has 204 places, 227 transitions, 686 flow [2024-11-08 16:31:01,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=686, PETRI_PLACES=204, PETRI_TRANSITIONS=227} [2024-11-08 16:31:01,167 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 23 predicate places. [2024-11-08 16:31:01,167 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 227 transitions, 686 flow [2024-11-08 16:31:01,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:01,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:01,169 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:01,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:31:01,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:01,370 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:01,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1038425561, now seen corresponding path program 1 times [2024-11-08 16:31:01,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:01,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211402767] [2024-11-08 16:31:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:01,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:01,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:01,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211402767] [2024-11-08 16:31:01,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211402767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:31:01,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441690863] [2024-11-08 16:31:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:01,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:01,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:01,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:01,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:31:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:31:01,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:01,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:31:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:02,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441690863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:31:02,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:31:02,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-08 16:31:02,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187795111] [2024-11-08 16:31:02,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:31:02,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:31:02,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:02,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:31:02,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:31:02,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 184 [2024-11-08 16:31:02,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 227 transitions, 686 flow. Second operand has 18 states, 18 states have (on average 170.38888888888889) internal successors, (3067), 18 states have internal predecessors, (3067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:02,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:02,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 184 [2024-11-08 16:31:02,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:02,642 INFO L124 PetriNetUnfolderBase]: 143/1092 cut-off events. [2024-11-08 16:31:02,643 INFO L125 PetriNetUnfolderBase]: For 104/117 co-relation queries the response was YES. [2024-11-08 16:31:02,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1712 conditions, 1092 events. 143/1092 cut-off events. For 104/117 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6033 event pairs, 28 based on Foata normal form. 4/1039 useless extension candidates. Maximal degree in co-relation 1509. Up to 177 conditions per place. [2024-11-08 16:31:02,651 INFO L140 encePairwiseOnDemand]: 178/184 looper letters, 25 selfloop transitions, 21 changer transitions 0/251 dead transitions. [2024-11-08 16:31:02,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 251 transitions, 878 flow [2024-11-08 16:31:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 16:31:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-08 16:31:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3578 transitions. [2024-11-08 16:31:02,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9259834368530021 [2024-11-08 16:31:02,660 INFO L175 Difference]: Start difference. First operand has 204 places, 227 transitions, 686 flow. Second operand 21 states and 3578 transitions. [2024-11-08 16:31:02,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 251 transitions, 878 flow [2024-11-08 16:31:02,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 251 transitions, 878 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:31:02,673 INFO L231 Difference]: Finished difference. Result has 229 places, 240 transitions, 816 flow [2024-11-08 16:31:02,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=816, PETRI_PLACES=229, PETRI_TRANSITIONS=240} [2024-11-08 16:31:02,676 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 48 predicate places. [2024-11-08 16:31:02,678 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 240 transitions, 816 flow [2024-11-08 16:31:02,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 170.38888888888889) internal successors, (3067), 18 states have internal predecessors, (3067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:02,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:02,681 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:02,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:31:02,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:02,885 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:02,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:02,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1285872697, now seen corresponding path program 2 times [2024-11-08 16:31:02,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:02,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747330473] [2024-11-08 16:31:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:02,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:03,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:03,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747330473] [2024-11-08 16:31:03,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747330473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:31:03,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468560556] [2024-11-08 16:31:03,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:31:03,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:03,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:03,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:31:03,514 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 16:31:03,514 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:31:03,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 16:31:03,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:03,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 16:31:03,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 16:31:03,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:31:03,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 16:31:03,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:31:03,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 16:31:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-08 16:31:03,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:03,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468560556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:03,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:31:03,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-08 16:31:03,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195253809] [2024-11-08 16:31:03,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:03,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:31:03,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:03,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:31:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:31:03,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 184 [2024-11-08 16:31:03,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 240 transitions, 816 flow. Second operand has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:03,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:03,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 184 [2024-11-08 16:31:03,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:04,515 INFO L124 PetriNetUnfolderBase]: 480/2143 cut-off events. [2024-11-08 16:31:04,515 INFO L125 PetriNetUnfolderBase]: For 492/544 co-relation queries the response was YES. [2024-11-08 16:31:04,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3816 conditions, 2143 events. 480/2143 cut-off events. For 492/544 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 14914 event pairs, 153 based on Foata normal form. 13/2041 useless extension candidates. Maximal degree in co-relation 3613. Up to 712 conditions per place. [2024-11-08 16:31:04,530 INFO L140 encePairwiseOnDemand]: 173/184 looper letters, 67 selfloop transitions, 30 changer transitions 0/277 dead transitions. [2024-11-08 16:31:04,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 277 transitions, 1126 flow [2024-11-08 16:31:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:31:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:31:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 999 transitions. [2024-11-08 16:31:04,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.904891304347826 [2024-11-08 16:31:04,533 INFO L175 Difference]: Start difference. First operand has 229 places, 240 transitions, 816 flow. Second operand 6 states and 999 transitions. [2024-11-08 16:31:04,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 277 transitions, 1126 flow [2024-11-08 16:31:04,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 277 transitions, 1102 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-08 16:31:04,544 INFO L231 Difference]: Finished difference. Result has 233 places, 269 transitions, 1042 flow [2024-11-08 16:31:04,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1042, PETRI_PLACES=233, PETRI_TRANSITIONS=269} [2024-11-08 16:31:04,546 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 52 predicate places. [2024-11-08 16:31:04,546 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 269 transitions, 1042 flow [2024-11-08 16:31:04,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:04,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:04,548 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:04,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 16:31:04,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:04,753 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:04,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:04,757 INFO L85 PathProgramCache]: Analyzing trace with hash 655998031, now seen corresponding path program 1 times [2024-11-08 16:31:04,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:04,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262682134] [2024-11-08 16:31:04,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:04,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:05,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:05,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262682134] [2024-11-08 16:31:05,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262682134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:31:05,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799348668] [2024-11-08 16:31:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:05,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:05,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:05,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:05,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:31:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:05,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:31:05,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:05,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:31:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:05,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799348668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:31:05,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:31:05,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-08 16:31:05,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107602513] [2024-11-08 16:31:05,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:31:05,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 16:31:05,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:05,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 16:31:05,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:31:05,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 184 [2024-11-08 16:31:05,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 269 transitions, 1042 flow. Second operand has 23 states, 23 states have (on average 170.52173913043478) internal successors, (3922), 23 states have internal predecessors, (3922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:05,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:05,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 184 [2024-11-08 16:31:05,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:06,817 INFO L124 PetriNetUnfolderBase]: 256/1633 cut-off events. [2024-11-08 16:31:06,817 INFO L125 PetriNetUnfolderBase]: For 558/591 co-relation queries the response was YES. [2024-11-08 16:31:06,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2983 conditions, 1633 events. 256/1633 cut-off events. For 558/591 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10273 event pairs, 35 based on Foata normal form. 13/1568 useless extension candidates. Maximal degree in co-relation 2686. Up to 221 conditions per place. [2024-11-08 16:31:06,831 INFO L140 encePairwiseOnDemand]: 178/184 looper letters, 31 selfloop transitions, 30 changer transitions 0/295 dead transitions. [2024-11-08 16:31:06,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 295 transitions, 1304 flow [2024-11-08 16:31:06,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 16:31:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-08 16:31:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5104 transitions. [2024-11-08 16:31:06,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9246376811594202 [2024-11-08 16:31:06,843 INFO L175 Difference]: Start difference. First operand has 233 places, 269 transitions, 1042 flow. Second operand 30 states and 5104 transitions. [2024-11-08 16:31:06,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 295 transitions, 1304 flow [2024-11-08 16:31:06,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 295 transitions, 1304 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:31:06,910 INFO L231 Difference]: Finished difference. Result has 266 places, 279 transitions, 1194 flow [2024-11-08 16:31:06,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1194, PETRI_PLACES=266, PETRI_TRANSITIONS=279} [2024-11-08 16:31:06,912 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 85 predicate places. [2024-11-08 16:31:06,912 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 279 transitions, 1194 flow [2024-11-08 16:31:06,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 170.52173913043478) internal successors, (3922), 23 states have internal predecessors, (3922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:06,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:06,914 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:06,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 16:31:07,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4a62ef-6177-4057-b481-d691ed985dbd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:07,115 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:07,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash 849318535, now seen corresponding path program 2 times [2024-11-08 16:31:07,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:07,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119012525] [2024-11-08 16:31:07,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:07,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:07,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:07,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119012525] [2024-11-08 16:31:07,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119012525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:07,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:07,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:31:07,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334952160] [2024-11-08 16:31:07,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:07,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:31:07,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:07,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:31:07,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:31:08,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 184 [2024-11-08 16:31:08,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 279 transitions, 1194 flow. Second operand has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:08,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:08,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 184 [2024-11-08 16:31:08,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:09,374 INFO L124 PetriNetUnfolderBase]: 1048/3668 cut-off events. [2024-11-08 16:31:09,375 INFO L125 PetriNetUnfolderBase]: For 1866/1935 co-relation queries the response was YES. [2024-11-08 16:31:09,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8064 conditions, 3668 events. 1048/3668 cut-off events. For 1866/1935 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 27231 event pairs, 304 based on Foata normal form. 18/3453 useless extension candidates. Maximal degree in co-relation 7776. Up to 1732 conditions per place. [2024-11-08 16:31:09,408 INFO L140 encePairwiseOnDemand]: 161/184 looper letters, 100 selfloop transitions, 89 changer transitions 0/366 dead transitions. [2024-11-08 16:31:09,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 366 transitions, 1912 flow [2024-11-08 16:31:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:31:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:31:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2024-11-08 16:31:09,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9030797101449275 [2024-11-08 16:31:09,412 INFO L175 Difference]: Start difference. First operand has 266 places, 279 transitions, 1194 flow. Second operand 6 states and 997 transitions. [2024-11-08 16:31:09,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 366 transitions, 1912 flow [2024-11-08 16:31:09,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 366 transitions, 1866 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-08 16:31:09,434 INFO L231 Difference]: Finished difference. Result has 258 places, 358 transitions, 1886 flow [2024-11-08 16:31:09,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=1148, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1886, PETRI_PLACES=258, PETRI_TRANSITIONS=358} [2024-11-08 16:31:09,436 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 77 predicate places. [2024-11-08 16:31:09,437 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 358 transitions, 1886 flow [2024-11-08 16:31:09,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:09,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:09,438 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:09,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:31:09,438 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:09,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:09,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1309003815, now seen corresponding path program 1 times [2024-11-08 16:31:09,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:09,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217320275] [2024-11-08 16:31:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:10,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:10,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217320275] [2024-11-08 16:31:10,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217320275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:10,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:10,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:31:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693002156] [2024-11-08 16:31:10,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:10,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:31:10,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:10,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:31:10,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:31:10,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 184 [2024-11-08 16:31:10,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 358 transitions, 1886 flow. Second operand has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:10,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:10,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 184 [2024-11-08 16:31:10,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:11,831 INFO L124 PetriNetUnfolderBase]: 1258/4211 cut-off events. [2024-11-08 16:31:11,831 INFO L125 PetriNetUnfolderBase]: For 4711/4837 co-relation queries the response was YES. [2024-11-08 16:31:11,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11075 conditions, 4211 events. 1258/4211 cut-off events. For 4711/4837 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 31500 event pairs, 276 based on Foata normal form. 21/4052 useless extension candidates. Maximal degree in co-relation 10804. Up to 1975 conditions per place. [2024-11-08 16:31:11,868 INFO L140 encePairwiseOnDemand]: 169/184 looper letters, 169 selfloop transitions, 71 changer transitions 0/419 dead transitions. [2024-11-08 16:31:11,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 419 transitions, 2720 flow [2024-11-08 16:31:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:31:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:31:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 965 transitions. [2024-11-08 16:31:11,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8740942028985508 [2024-11-08 16:31:11,874 INFO L175 Difference]: Start difference. First operand has 258 places, 358 transitions, 1886 flow. Second operand 6 states and 965 transitions. [2024-11-08 16:31:11,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 419 transitions, 2720 flow [2024-11-08 16:31:11,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 419 transitions, 2624 flow, removed 48 selfloop flow, removed 0 redundant places. [2024-11-08 16:31:11,916 INFO L231 Difference]: Finished difference. Result has 268 places, 411 transitions, 2466 flow [2024-11-08 16:31:11,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=1796, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2466, PETRI_PLACES=268, PETRI_TRANSITIONS=411} [2024-11-08 16:31:11,919 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 87 predicate places. [2024-11-08 16:31:11,920 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 411 transitions, 2466 flow [2024-11-08 16:31:11,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:11,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:11,922 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:11,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:31:11,922 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:11,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1229208486, now seen corresponding path program 1 times [2024-11-08 16:31:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868940312] [2024-11-08 16:31:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:12,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:12,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868940312] [2024-11-08 16:31:12,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868940312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:12,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:12,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:12,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601680144] [2024-11-08 16:31:12,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:12,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:12,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:12,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:12,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:15,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:15,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 411 transitions, 2466 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:15,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:15,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:15,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:18,092 INFO L124 PetriNetUnfolderBase]: 2237/8291 cut-off events. [2024-11-08 16:31:18,092 INFO L125 PetriNetUnfolderBase]: For 10558/10807 co-relation queries the response was YES. [2024-11-08 16:31:18,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22497 conditions, 8291 events. 2237/8291 cut-off events. For 10558/10807 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 75013 event pairs, 297 based on Foata normal form. 94/8251 useless extension candidates. Maximal degree in co-relation 22209. Up to 1356 conditions per place. [2024-11-08 16:31:18,175 INFO L140 encePairwiseOnDemand]: 169/184 looper letters, 80 selfloop transitions, 15 changer transitions 2/478 dead transitions. [2024-11-08 16:31:18,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 478 transitions, 2834 flow [2024-11-08 16:31:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1490 transitions. [2024-11-08 16:31:18,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8997584541062802 [2024-11-08 16:31:18,181 INFO L175 Difference]: Start difference. First operand has 268 places, 411 transitions, 2466 flow. Second operand 9 states and 1490 transitions. [2024-11-08 16:31:18,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 478 transitions, 2834 flow [2024-11-08 16:31:18,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 478 transitions, 2752 flow, removed 41 selfloop flow, removed 0 redundant places. [2024-11-08 16:31:18,305 INFO L231 Difference]: Finished difference. Result has 283 places, 426 transitions, 2504 flow [2024-11-08 16:31:18,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=2384, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2504, PETRI_PLACES=283, PETRI_TRANSITIONS=426} [2024-11-08 16:31:18,307 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 102 predicate places. [2024-11-08 16:31:18,307 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 426 transitions, 2504 flow [2024-11-08 16:31:18,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:18,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:18,308 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:18,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:31:18,309 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:18,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1321596996, now seen corresponding path program 2 times [2024-11-08 16:31:18,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:18,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748920069] [2024-11-08 16:31:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:18,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:19,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:19,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748920069] [2024-11-08 16:31:19,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748920069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:19,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:19,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:19,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445935106] [2024-11-08 16:31:19,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:19,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:19,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:19,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:19,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:21,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:21,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 426 transitions, 2504 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:21,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:21,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:21,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:24,441 INFO L124 PetriNetUnfolderBase]: 2544/9192 cut-off events. [2024-11-08 16:31:24,442 INFO L125 PetriNetUnfolderBase]: For 12503/12825 co-relation queries the response was YES. [2024-11-08 16:31:24,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26331 conditions, 9192 events. 2544/9192 cut-off events. For 12503/12825 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 85619 event pairs, 306 based on Foata normal form. 81/9110 useless extension candidates. Maximal degree in co-relation 26035. Up to 1600 conditions per place. [2024-11-08 16:31:24,524 INFO L140 encePairwiseOnDemand]: 171/184 looper letters, 119 selfloop transitions, 20 changer transitions 0/520 dead transitions. [2024-11-08 16:31:24,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 520 transitions, 3196 flow [2024-11-08 16:31:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1488 transitions. [2024-11-08 16:31:24,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8985507246376812 [2024-11-08 16:31:24,529 INFO L175 Difference]: Start difference. First operand has 283 places, 426 transitions, 2504 flow. Second operand 9 states and 1488 transitions. [2024-11-08 16:31:24,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 520 transitions, 3196 flow [2024-11-08 16:31:24,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 520 transitions, 3196 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:31:24,640 INFO L231 Difference]: Finished difference. Result has 298 places, 442 transitions, 2678 flow [2024-11-08 16:31:24,641 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=2504, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2678, PETRI_PLACES=298, PETRI_TRANSITIONS=442} [2024-11-08 16:31:24,641 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 117 predicate places. [2024-11-08 16:31:24,641 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 442 transitions, 2678 flow [2024-11-08 16:31:24,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:24,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:24,643 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:24,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:31:24,643 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:24,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash -85658104, now seen corresponding path program 3 times [2024-11-08 16:31:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:24,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150334348] [2024-11-08 16:31:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:25,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:25,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150334348] [2024-11-08 16:31:25,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150334348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:25,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:25,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966035072] [2024-11-08 16:31:25,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:25,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:25,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:25,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:25,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:27,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:27,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 442 transitions, 2678 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:27,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:27,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:27,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:30,175 INFO L124 PetriNetUnfolderBase]: 2817/10258 cut-off events. [2024-11-08 16:31:30,176 INFO L125 PetriNetUnfolderBase]: For 16392/16872 co-relation queries the response was YES. [2024-11-08 16:31:30,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30631 conditions, 10258 events. 2817/10258 cut-off events. For 16392/16872 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 96927 event pairs, 315 based on Foata normal form. 106/10211 useless extension candidates. Maximal degree in co-relation 30327. Up to 1746 conditions per place. [2024-11-08 16:31:30,283 INFO L140 encePairwiseOnDemand]: 170/184 looper letters, 124 selfloop transitions, 22 changer transitions 2/529 dead transitions. [2024-11-08 16:31:30,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 529 transitions, 3494 flow [2024-11-08 16:31:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1493 transitions. [2024-11-08 16:31:30,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9015700483091788 [2024-11-08 16:31:30,287 INFO L175 Difference]: Start difference. First operand has 298 places, 442 transitions, 2678 flow. Second operand 9 states and 1493 transitions. [2024-11-08 16:31:30,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 529 transitions, 3494 flow [2024-11-08 16:31:30,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 529 transitions, 3453 flow, removed 15 selfloop flow, removed 1 redundant places. [2024-11-08 16:31:30,437 INFO L231 Difference]: Finished difference. Result has 310 places, 454 transitions, 2849 flow [2024-11-08 16:31:30,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=2663, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2849, PETRI_PLACES=310, PETRI_TRANSITIONS=454} [2024-11-08 16:31:30,440 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 129 predicate places. [2024-11-08 16:31:30,441 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 454 transitions, 2849 flow [2024-11-08 16:31:30,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:30,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:30,442 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:30,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:31:30,442 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:30,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:30,443 INFO L85 PathProgramCache]: Analyzing trace with hash 282905664, now seen corresponding path program 4 times [2024-11-08 16:31:30,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:30,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508390063] [2024-11-08 16:31:30,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:31,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:31,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508390063] [2024-11-08 16:31:31,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508390063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:31,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:31,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:31,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083314567] [2024-11-08 16:31:31,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:31,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:31,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:31,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:31,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:33,184 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:33,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 454 transitions, 2849 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:33,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:33,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:33,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:36,218 INFO L124 PetriNetUnfolderBase]: 3123/11255 cut-off events. [2024-11-08 16:31:36,218 INFO L125 PetriNetUnfolderBase]: For 20020/20509 co-relation queries the response was YES. [2024-11-08 16:31:36,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34512 conditions, 11255 events. 3123/11255 cut-off events. For 20020/20509 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 107784 event pairs, 295 based on Foata normal form. 120/11206 useless extension candidates. Maximal degree in co-relation 34202. Up to 1991 conditions per place. [2024-11-08 16:31:36,335 INFO L140 encePairwiseOnDemand]: 170/184 looper letters, 139 selfloop transitions, 27 changer transitions 0/547 dead transitions. [2024-11-08 16:31:36,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 547 transitions, 3820 flow [2024-11-08 16:31:36,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1493 transitions. [2024-11-08 16:31:36,339 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9015700483091788 [2024-11-08 16:31:36,339 INFO L175 Difference]: Start difference. First operand has 310 places, 454 transitions, 2849 flow. Second operand 9 states and 1493 transitions. [2024-11-08 16:31:36,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 547 transitions, 3820 flow [2024-11-08 16:31:36,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 547 transitions, 3741 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-08 16:31:36,526 INFO L231 Difference]: Finished difference. Result has 320 places, 466 transitions, 3025 flow [2024-11-08 16:31:36,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=2823, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3025, PETRI_PLACES=320, PETRI_TRANSITIONS=466} [2024-11-08 16:31:36,528 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 139 predicate places. [2024-11-08 16:31:36,528 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 466 transitions, 3025 flow [2024-11-08 16:31:36,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:36,530 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:36,531 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:36,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:31:36,531 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:36,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:36,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1451998682, now seen corresponding path program 5 times [2024-11-08 16:31:36,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:36,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488244336] [2024-11-08 16:31:36,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:36,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:37,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:37,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488244336] [2024-11-08 16:31:37,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488244336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:37,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:37,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:37,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979249349] [2024-11-08 16:31:37,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:37,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:37,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:37,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:37,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:38,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:38,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 466 transitions, 3025 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:38,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:38,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:38,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:42,995 INFO L124 PetriNetUnfolderBase]: 3445/12436 cut-off events. [2024-11-08 16:31:42,995 INFO L125 PetriNetUnfolderBase]: For 25200/25817 co-relation queries the response was YES. [2024-11-08 16:31:43,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38965 conditions, 12436 events. 3445/12436 cut-off events. For 25200/25817 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 121548 event pairs, 345 based on Foata normal form. 116/12376 useless extension candidates. Maximal degree in co-relation 38650. Up to 2137 conditions per place. [2024-11-08 16:31:43,123 INFO L140 encePairwiseOnDemand]: 170/184 looper letters, 138 selfloop transitions, 29 changer transitions 1/549 dead transitions. [2024-11-08 16:31:43,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 549 transitions, 4027 flow [2024-11-08 16:31:43,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1495 transitions. [2024-11-08 16:31:43,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2024-11-08 16:31:43,127 INFO L175 Difference]: Start difference. First operand has 320 places, 466 transitions, 3025 flow. Second operand 9 states and 1495 transitions. [2024-11-08 16:31:43,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 549 transitions, 4027 flow [2024-11-08 16:31:43,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 549 transitions, 3936 flow, removed 10 selfloop flow, removed 3 redundant places. [2024-11-08 16:31:43,352 INFO L231 Difference]: Finished difference. Result has 331 places, 481 transitions, 3267 flow [2024-11-08 16:31:43,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=2984, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3267, PETRI_PLACES=331, PETRI_TRANSITIONS=481} [2024-11-08 16:31:43,353 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 150 predicate places. [2024-11-08 16:31:43,354 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 481 transitions, 3267 flow [2024-11-08 16:31:43,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:43,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:43,356 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:43,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:31:43,356 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:43,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:43,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1902398710, now seen corresponding path program 6 times [2024-11-08 16:31:43,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:43,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938628231] [2024-11-08 16:31:43,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:43,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:44,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:44,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938628231] [2024-11-08 16:31:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938628231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:44,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:44,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:44,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016821433] [2024-11-08 16:31:44,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:44,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:44,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:45,941 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:45,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 481 transitions, 3267 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:45,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:45,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:45,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:49,839 INFO L124 PetriNetUnfolderBase]: 3776/13570 cut-off events. [2024-11-08 16:31:49,839 INFO L125 PetriNetUnfolderBase]: For 31223/31868 co-relation queries the response was YES. [2024-11-08 16:31:49,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43567 conditions, 13570 events. 3776/13570 cut-off events. For 31223/31868 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 135196 event pairs, 330 based on Foata normal form. 121/13500 useless extension candidates. Maximal degree in co-relation 43246. Up to 2368 conditions per place. [2024-11-08 16:31:49,991 INFO L140 encePairwiseOnDemand]: 170/184 looper letters, 154 selfloop transitions, 34 changer transitions 0/569 dead transitions. [2024-11-08 16:31:49,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 569 transitions, 4407 flow [2024-11-08 16:31:49,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1495 transitions. [2024-11-08 16:31:49,995 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2024-11-08 16:31:49,995 INFO L175 Difference]: Start difference. First operand has 331 places, 481 transitions, 3267 flow. Second operand 9 states and 1495 transitions. [2024-11-08 16:31:49,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 569 transitions, 4407 flow [2024-11-08 16:31:50,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 569 transitions, 4311 flow, removed 27 selfloop flow, removed 2 redundant places. [2024-11-08 16:31:50,276 INFO L231 Difference]: Finished difference. Result has 343 places, 496 transitions, 3510 flow [2024-11-08 16:31:50,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=3208, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3510, PETRI_PLACES=343, PETRI_TRANSITIONS=496} [2024-11-08 16:31:50,278 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 162 predicate places. [2024-11-08 16:31:50,278 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 496 transitions, 3510 flow [2024-11-08 16:31:50,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:50,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:50,280 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:50,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:31:50,280 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:50,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:50,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1967421602, now seen corresponding path program 7 times [2024-11-08 16:31:50,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:50,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526321120] [2024-11-08 16:31:50,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:50,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:51,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526321120] [2024-11-08 16:31:51,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526321120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:51,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:51,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:51,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542911972] [2024-11-08 16:31:51,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:51,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:51,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:51,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:51,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:31:53,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:31:53,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 496 transitions, 3510 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:53,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:31:53,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:31:53,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:31:57,955 INFO L124 PetriNetUnfolderBase]: 4135/14841 cut-off events. [2024-11-08 16:31:57,956 INFO L125 PetriNetUnfolderBase]: For 40009/40719 co-relation queries the response was YES. [2024-11-08 16:31:58,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48951 conditions, 14841 events. 4135/14841 cut-off events. For 40009/40719 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 151062 event pairs, 441 based on Foata normal form. 114/14745 useless extension candidates. Maximal degree in co-relation 48624. Up to 2511 conditions per place. [2024-11-08 16:31:58,135 INFO L140 encePairwiseOnDemand]: 170/184 looper letters, 151 selfloop transitions, 36 changer transitions 0/568 dead transitions. [2024-11-08 16:31:58,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 568 transitions, 4623 flow [2024-11-08 16:31:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:31:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1496 transitions. [2024-11-08 16:31:58,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9033816425120773 [2024-11-08 16:31:58,140 INFO L175 Difference]: Start difference. First operand has 343 places, 496 transitions, 3510 flow. Second operand 9 states and 1496 transitions. [2024-11-08 16:31:58,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 568 transitions, 4623 flow [2024-11-08 16:31:58,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 568 transitions, 4523 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-08 16:31:58,434 INFO L231 Difference]: Finished difference. Result has 356 places, 515 transitions, 3866 flow [2024-11-08 16:31:58,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3866, PETRI_PLACES=356, PETRI_TRANSITIONS=515} [2024-11-08 16:31:58,436 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 175 predicate places. [2024-11-08 16:31:58,436 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 515 transitions, 3866 flow [2024-11-08 16:31:58,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:31:58,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:31:58,437 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:58,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:31:58,437 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:31:58,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:58,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1872473316, now seen corresponding path program 8 times [2024-11-08 16:31:58,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:58,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538372465] [2024-11-08 16:31:58,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:58,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:31:59,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:59,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538372465] [2024-11-08 16:31:59,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538372465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:59,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:59,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:31:59,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42177839] [2024-11-08 16:31:59,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:59,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:31:59,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:59,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:31:59,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:32:00,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:32:00,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 515 transitions, 3866 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:00,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:32:00,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:32:00,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:32:06,238 INFO L124 PetriNetUnfolderBase]: 4706/16754 cut-off events. [2024-11-08 16:32:06,238 INFO L125 PetriNetUnfolderBase]: For 50679/51601 co-relation queries the response was YES. [2024-11-08 16:32:06,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56521 conditions, 16754 events. 4706/16754 cut-off events. For 50679/51601 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 175753 event pairs, 431 based on Foata normal form. 141/16678 useless extension candidates. Maximal degree in co-relation 56187. Up to 2913 conditions per place. [2024-11-08 16:32:06,556 INFO L140 encePairwiseOnDemand]: 169/184 looper letters, 172 selfloop transitions, 45 changer transitions 0/598 dead transitions. [2024-11-08 16:32:06,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 598 transitions, 5180 flow [2024-11-08 16:32:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:32:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:32:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1498 transitions. [2024-11-08 16:32:06,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9045893719806763 [2024-11-08 16:32:06,560 INFO L175 Difference]: Start difference. First operand has 356 places, 515 transitions, 3866 flow. Second operand 9 states and 1498 transitions. [2024-11-08 16:32:06,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 598 transitions, 5180 flow [2024-11-08 16:32:07,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 598 transitions, 5076 flow, removed 52 selfloop flow, removed 0 redundant places. [2024-11-08 16:32:07,275 INFO L231 Difference]: Finished difference. Result has 371 places, 533 transitions, 4219 flow [2024-11-08 16:32:07,276 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=3762, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4219, PETRI_PLACES=371, PETRI_TRANSITIONS=533} [2024-11-08 16:32:07,276 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 190 predicate places. [2024-11-08 16:32:07,276 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 533 transitions, 4219 flow [2024-11-08 16:32:07,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:07,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:32:07,278 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:07,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:32:07,278 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:32:07,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1964190714, now seen corresponding path program 9 times [2024-11-08 16:32:07,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:07,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77782986] [2024-11-08 16:32:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:07,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:32:07,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:07,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77782986] [2024-11-08 16:32:07,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77782986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:07,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:07,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:32:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305341120] [2024-11-08 16:32:07,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:07,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:32:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:07,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:32:07,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:32:08,726 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:32:08,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 533 transitions, 4219 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:08,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:32:08,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:32:08,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:32:15,200 INFO L124 PetriNetUnfolderBase]: 5296/18801 cut-off events. [2024-11-08 16:32:15,200 INFO L125 PetriNetUnfolderBase]: For 62820/63877 co-relation queries the response was YES. [2024-11-08 16:32:15,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64812 conditions, 18801 events. 5296/18801 cut-off events. For 62820/63877 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 203348 event pairs, 501 based on Foata normal form. 155/18731 useless extension candidates. Maximal degree in co-relation 64470. Up to 3261 conditions per place. [2024-11-08 16:32:15,429 INFO L140 encePairwiseOnDemand]: 169/184 looper letters, 187 selfloop transitions, 46 changer transitions 0/614 dead transitions. [2024-11-08 16:32:15,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 614 transitions, 5487 flow [2024-11-08 16:32:15,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:32:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:32:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1498 transitions. [2024-11-08 16:32:15,431 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9045893719806763 [2024-11-08 16:32:15,432 INFO L175 Difference]: Start difference. First operand has 371 places, 533 transitions, 4219 flow. Second operand 9 states and 1498 transitions. [2024-11-08 16:32:15,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 614 transitions, 5487 flow [2024-11-08 16:32:15,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 614 transitions, 5401 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-08 16:32:15,869 INFO L231 Difference]: Finished difference. Result has 385 places, 550 transitions, 4542 flow [2024-11-08 16:32:15,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=4133, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4542, PETRI_PLACES=385, PETRI_TRANSITIONS=550} [2024-11-08 16:32:15,870 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 204 predicate places. [2024-11-08 16:32:15,871 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 550 transitions, 4542 flow [2024-11-08 16:32:15,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:15,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:32:15,872 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:15,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:32:15,872 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:32:15,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash -650140814, now seen corresponding path program 10 times [2024-11-08 16:32:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:15,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119920401] [2024-11-08 16:32:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:15,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:32:16,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:16,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119920401] [2024-11-08 16:32:16,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119920401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:16,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:16,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:32:16,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675375085] [2024-11-08 16:32:16,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:16,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:32:16,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:16,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:32:16,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:32:18,090 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:32:18,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 550 transitions, 4542 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:18,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:32:18,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:32:18,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:32:24,311 INFO L124 PetriNetUnfolderBase]: 5584/19740 cut-off events. [2024-11-08 16:32:24,311 INFO L125 PetriNetUnfolderBase]: For 71002/72126 co-relation queries the response was YES. [2024-11-08 16:32:24,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69008 conditions, 19740 events. 5584/19740 cut-off events. For 71002/72126 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 216230 event pairs, 532 based on Foata normal form. 172/19679 useless extension candidates. Maximal degree in co-relation 68659. Up to 3443 conditions per place. [2024-11-08 16:32:24,548 INFO L140 encePairwiseOnDemand]: 168/184 looper letters, 186 selfloop transitions, 53 changer transitions 0/620 dead transitions. [2024-11-08 16:32:24,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 620 transitions, 5854 flow [2024-11-08 16:32:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:32:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:32:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1500 transitions. [2024-11-08 16:32:24,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9057971014492754 [2024-11-08 16:32:24,551 INFO L175 Difference]: Start difference. First operand has 385 places, 550 transitions, 4542 flow. Second operand 9 states and 1500 transitions. [2024-11-08 16:32:24,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 620 transitions, 5854 flow [2024-11-08 16:32:25,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 620 transitions, 5701 flow, removed 57 selfloop flow, removed 2 redundant places. [2024-11-08 16:32:25,006 INFO L231 Difference]: Finished difference. Result has 395 places, 564 transitions, 4821 flow [2024-11-08 16:32:25,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=4445, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4821, PETRI_PLACES=395, PETRI_TRANSITIONS=564} [2024-11-08 16:32:25,007 INFO L277 CegarLoopForPetriNet]: 181 programPoint places, 214 predicate places. [2024-11-08 16:32:25,007 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 564 transitions, 4821 flow [2024-11-08 16:32:25,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:25,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:32:25,008 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:25,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:32:25,009 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-08 16:32:25,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:25,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1250546184, now seen corresponding path program 11 times [2024-11-08 16:32:25,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:25,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451618940] [2024-11-08 16:32:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:25,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:32:25,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:25,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451618940] [2024-11-08 16:32:25,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451618940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:25,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:25,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:32:25,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345302389] [2024-11-08 16:32:25,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:25,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:32:25,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:25,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:32:25,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:32:26,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 184 [2024-11-08 16:32:26,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 564 transitions, 4821 flow. Second operand has 9 states, 9 states have (on average 156.77777777777777) internal successors, (1411), 9 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:32:26,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:32:26,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 184 [2024-11-08 16:32:26,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand