./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/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_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/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_a612db59-9082-4f37-9128-a77218a77fe2/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 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:14:10,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:14:11,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 19:14:11,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:14:11,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:14:11,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:14:11,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:14:11,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:14:11,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:14:11,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:14:11,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:14:11,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:14:11,105 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:14:11,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:14:11,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:14:11,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:14:11,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:14:11,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:14:11,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:14:11,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:14:11,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:14:11,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:14:11,117 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 19:14:11,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:14:11,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:14:11,118 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:14:11,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:14:11,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:14:11,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:14:11,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:14:11,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:14:11,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:11,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:14:11,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:14:11,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:14:11,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:14:11,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:14:11,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:14:11,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:14:11,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:14:11,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:14:11,129 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_a612db59-9082-4f37-9128-a77218a77fe2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2024-11-08 19:14:11,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:14:11,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:14:11,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:14:11,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:14:11,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:14:11,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i Unable to find full path for "g++" [2024-11-08 19:14:13,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:14:14,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:14:14,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-11-08 19:14:14,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/data/05e005ed2/680290d1877c4849a804b549d5955d2f/FLAGe059fe469 [2024-11-08 19:14:14,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/data/05e005ed2/680290d1877c4849a804b549d5955d2f [2024-11-08 19:14:14,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:14:14,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:14:14,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:14,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:14:14,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:14:14,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:14" (1/1) ... [2024-11-08 19:14:14,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360851a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:14, skipping insertion in model container [2024-11-08 19:14:14,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:14" (1/1) ... [2024-11-08 19:14:14,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:14:15,031 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,032 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,036 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,039 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:15,146 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:14:15,236 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,237 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,238 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,242 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:14:15,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:15,339 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:14:15,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15 WrapperNode [2024-11-08 19:14:15,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:15,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:15,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:14:15,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:14:15,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,442 INFO L138 Inliner]: procedures = 274, calls = 102, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 331 [2024-11-08 19:14:15,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:15,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:14:15,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:14:15,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:14:15,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:14:15,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:14:15,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:14:15,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:14:15,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (1/1) ... [2024-11-08 19:14:15,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:15,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:15,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:14:15,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:14:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 19:14:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 19:14:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-08 19:14:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-08 19:14:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 19:14:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 19:14:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:14:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:14:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:14:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:14:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:14:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:14:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 19:14:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:14:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:14:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:14:15,649 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 19:14:15,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:14:15,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:14:16,799 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:14:16,800 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:14:16,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:14:16,868 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:14:16,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:16 BoogieIcfgContainer [2024-11-08 19:14:16,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:14:16,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:14:16,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:14:16,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:14:16,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:14:14" (1/3) ... [2024-11-08 19:14:16,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290af65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:16, skipping insertion in model container [2024-11-08 19:14:16,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:15" (2/3) ... [2024-11-08 19:14:16,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290af65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:16, skipping insertion in model container [2024-11-08 19:14:16,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:16" (3/3) ... [2024-11-08 19:14:16,884 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2024-11-08 19:14:16,907 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:14:16,908 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-08 19:14:16,908 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:14:17,129 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 19:14:17,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 376 transitions, 760 flow [2024-11-08 19:14:17,457 INFO L124 PetriNetUnfolderBase]: 14/374 cut-off events. [2024-11-08 19:14:17,458 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:14:17,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 374 events. 14/374 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 598 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 297. Up to 2 conditions per place. [2024-11-08 19:14:17,476 INFO L82 GeneralOperation]: Start removeDead. Operand has 369 places, 376 transitions, 760 flow [2024-11-08 19:14:17,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 367 places, 374 transitions, 754 flow [2024-11-08 19:14:17,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:14:17,518 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;@775173bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:14:17,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-08 19:14:17,555 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:14:17,555 INFO L124 PetriNetUnfolderBase]: 1/109 cut-off events. [2024-11-08 19:14:17,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:14:17,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:17,556 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 19:14:17,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:17,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:17,564 INFO L85 PathProgramCache]: Analyzing trace with hash -206586784, now seen corresponding path program 1 times [2024-11-08 19:14:17,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:17,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342986909] [2024-11-08 19:14:17,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:18,811 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 19:14:18,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:18,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342986909] [2024-11-08 19:14:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342986909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:18,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:18,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:18,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513203089] [2024-11-08 19:14:18,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:18,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:18,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:18,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:19,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 376 [2024-11-08 19:14:19,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 374 transitions, 754 flow. Second operand has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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 19:14:19,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:19,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 376 [2024-11-08 19:14:19,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:20,639 INFO L124 PetriNetUnfolderBase]: 499/1936 cut-off events. [2024-11-08 19:14:20,640 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-08 19:14:20,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2835 conditions, 1936 events. 499/1936 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 11924 event pairs, 342 based on Foata normal form. 34/1713 useless extension candidates. Maximal degree in co-relation 2568. Up to 846 conditions per place. [2024-11-08 19:14:20,661 INFO L140 encePairwiseOnDemand]: 362/376 looper letters, 72 selfloop transitions, 10 changer transitions 0/370 dead transitions. [2024-11-08 19:14:20,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 370 transitions, 910 flow [2024-11-08 19:14:20,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1826 transitions. [2024-11-08 19:14:20,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8093971631205674 [2024-11-08 19:14:20,688 INFO L175 Difference]: Start difference. First operand has 367 places, 374 transitions, 754 flow. Second operand 6 states and 1826 transitions. [2024-11-08 19:14:20,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 370 transitions, 910 flow [2024-11-08 19:14:20,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 908 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:14:20,706 INFO L231 Difference]: Finished difference. Result has 368 places, 370 transitions, 764 flow [2024-11-08 19:14:20,709 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=764, PETRI_PLACES=368, PETRI_TRANSITIONS=370} [2024-11-08 19:14:20,715 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 1 predicate places. [2024-11-08 19:14:20,717 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 370 transitions, 764 flow [2024-11-08 19:14:20,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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 19:14:20,719 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:20,719 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:20,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:14:20,720 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:20,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:20,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1688338147, now seen corresponding path program 1 times [2024-11-08 19:14:20,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:20,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597848230] [2024-11-08 19:14:20,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:20,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:21,616 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 19:14:21,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:21,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597848230] [2024-11-08 19:14:21,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597848230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:21,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:21,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:21,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164388756] [2024-11-08 19:14:21,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:21,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:21,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:21,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:21,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:22,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 376 [2024-11-08 19:14:22,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 370 transitions, 764 flow. Second operand has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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 19:14:22,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:22,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 376 [2024-11-08 19:14:22,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:22,878 INFO L124 PetriNetUnfolderBase]: 499/1934 cut-off events. [2024-11-08 19:14:22,878 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:14:22,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2842 conditions, 1934 events. 499/1934 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11963 event pairs, 342 based on Foata normal form. 0/1679 useless extension candidates. Maximal degree in co-relation 2666. Up to 846 conditions per place. [2024-11-08 19:14:22,895 INFO L140 encePairwiseOnDemand]: 364/376 looper letters, 72 selfloop transitions, 10 changer transitions 0/368 dead transitions. [2024-11-08 19:14:22,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 368 transitions, 924 flow [2024-11-08 19:14:22,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1824 transitions. [2024-11-08 19:14:22,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085106382978723 [2024-11-08 19:14:22,901 INFO L175 Difference]: Start difference. First operand has 368 places, 370 transitions, 764 flow. Second operand 6 states and 1824 transitions. [2024-11-08 19:14:22,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 368 transitions, 924 flow [2024-11-08 19:14:22,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 368 transitions, 904 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:22,909 INFO L231 Difference]: Finished difference. Result has 366 places, 368 transitions, 760 flow [2024-11-08 19:14:22,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=760, PETRI_PLACES=366, PETRI_TRANSITIONS=368} [2024-11-08 19:14:22,911 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -1 predicate places. [2024-11-08 19:14:22,911 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 368 transitions, 760 flow [2024-11-08 19:14:22,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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 19:14:22,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:22,913 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:22,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:14:22,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:22,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1146831135, now seen corresponding path program 1 times [2024-11-08 19:14:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:22,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871950275] [2024-11-08 19:14:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:22,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:23,071 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 19:14:23,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:23,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871950275] [2024-11-08 19:14:23,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871950275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:23,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:23,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:23,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292732182] [2024-11-08 19:14:23,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:23,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:23,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:23,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:23,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:23,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 376 [2024-11-08 19:14:23,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 368 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 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 19:14:23,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:23,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 376 [2024-11-08 19:14:23,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:23,282 INFO L124 PetriNetUnfolderBase]: 40/681 cut-off events. [2024-11-08 19:14:23,282 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:14:23,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 681 events. 40/681 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2473 event pairs, 18 based on Foata normal form. 2/621 useless extension candidates. Maximal degree in co-relation 454. Up to 46 conditions per place. [2024-11-08 19:14:23,289 INFO L140 encePairwiseOnDemand]: 372/376 looper letters, 12 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2024-11-08 19:14:23,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 369 transitions, 790 flow [2024-11-08 19:14:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:14:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1099 transitions. [2024-11-08 19:14:23,294 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.974290780141844 [2024-11-08 19:14:23,294 INFO L175 Difference]: Start difference. First operand has 366 places, 368 transitions, 760 flow. Second operand 3 states and 1099 transitions. [2024-11-08 19:14:23,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 369 transitions, 790 flow [2024-11-08 19:14:23,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 369 transitions, 770 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:23,304 INFO L231 Difference]: Finished difference. Result has 364 places, 369 transitions, 754 flow [2024-11-08 19:14:23,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=364, PETRI_TRANSITIONS=369} [2024-11-08 19:14:23,306 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -3 predicate places. [2024-11-08 19:14:23,307 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 369 transitions, 754 flow [2024-11-08 19:14:23,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 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 19:14:23,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:23,309 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:23,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:14:23,310 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:23,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:23,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1498763133, now seen corresponding path program 1 times [2024-11-08 19:14:23,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:23,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779774646] [2024-11-08 19:14:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:24,022 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 19:14:24,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:24,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779774646] [2024-11-08 19:14:24,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779774646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:24,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:24,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:24,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669570340] [2024-11-08 19:14:24,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:24,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:24,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:24,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:24,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:24,460 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 376 [2024-11-08 19:14:24,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 369 transitions, 754 flow. Second operand has 6 states, 6 states have (on average 291.6666666666667) internal successors, (1750), 6 states have internal predecessors, (1750), 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 19:14:24,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:24,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 376 [2024-11-08 19:14:24,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:24,945 INFO L124 PetriNetUnfolderBase]: 501/2059 cut-off events. [2024-11-08 19:14:24,945 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:14:24,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3012 conditions, 2059 events. 501/2059 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12675 event pairs, 342 based on Foata normal form. 0/1800 useless extension candidates. Maximal degree in co-relation 2754. Up to 894 conditions per place. [2024-11-08 19:14:24,965 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 79 selfloop transitions, 5 changer transitions 0/368 dead transitions. [2024-11-08 19:14:24,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 368 transitions, 920 flow [2024-11-08 19:14:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1819 transitions. [2024-11-08 19:14:24,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8062943262411347 [2024-11-08 19:14:24,971 INFO L175 Difference]: Start difference. First operand has 364 places, 369 transitions, 754 flow. Second operand 6 states and 1819 transitions. [2024-11-08 19:14:24,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 368 transitions, 920 flow [2024-11-08 19:14:24,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 368 transitions, 918 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:14:24,980 INFO L231 Difference]: Finished difference. Result has 367 places, 368 transitions, 760 flow [2024-11-08 19:14:24,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=760, PETRI_PLACES=367, PETRI_TRANSITIONS=368} [2024-11-08 19:14:24,984 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 0 predicate places. [2024-11-08 19:14:24,984 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 368 transitions, 760 flow [2024-11-08 19:14:24,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.6666666666667) internal successors, (1750), 6 states have internal predecessors, (1750), 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 19:14:24,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:24,986 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:24,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:14:24,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:24,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:24,988 INFO L85 PathProgramCache]: Analyzing trace with hash 986095662, now seen corresponding path program 1 times [2024-11-08 19:14:24,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:24,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343243157] [2024-11-08 19:14:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:24,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:25,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:25,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343243157] [2024-11-08 19:14:25,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343243157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:25,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:25,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:25,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780237529] [2024-11-08 19:14:25,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:25,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:25,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:25,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:25,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:25,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 376 [2024-11-08 19:14:25,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 368 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 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 19:14:25,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:25,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 376 [2024-11-08 19:14:25,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:25,331 INFO L124 PetriNetUnfolderBase]: 40/869 cut-off events. [2024-11-08 19:14:25,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:14:25,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 869 events. 40/869 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2421 event pairs, 18 based on Foata normal form. 4/807 useless extension candidates. Maximal degree in co-relation 534. Up to 51 conditions per place. [2024-11-08 19:14:25,369 INFO L140 encePairwiseOnDemand]: 372/376 looper letters, 12 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2024-11-08 19:14:25,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 369 transitions, 790 flow [2024-11-08 19:14:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:14:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1099 transitions. [2024-11-08 19:14:25,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.974290780141844 [2024-11-08 19:14:25,374 INFO L175 Difference]: Start difference. First operand has 367 places, 368 transitions, 760 flow. Second operand 3 states and 1099 transitions. [2024-11-08 19:14:25,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 369 transitions, 790 flow [2024-11-08 19:14:25,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 369 transitions, 780 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:25,382 INFO L231 Difference]: Finished difference. Result has 365 places, 369 transitions, 764 flow [2024-11-08 19:14:25,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=365, PETRI_TRANSITIONS=369} [2024-11-08 19:14:25,383 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -2 predicate places. [2024-11-08 19:14:25,384 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 369 transitions, 764 flow [2024-11-08 19:14:25,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 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 19:14:25,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:25,385 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:25,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:14:25,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:25,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:25,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1512532197, now seen corresponding path program 1 times [2024-11-08 19:14:25,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:25,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57801147] [2024-11-08 19:14:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:25,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,317 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 19:14:26,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:26,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57801147] [2024-11-08 19:14:26,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57801147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:26,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:26,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:26,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775510911] [2024-11-08 19:14:26,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:26,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:26,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:26,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:26,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:27,192 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-08 19:14:27,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 369 transitions, 764 flow. Second operand has 6 states, 6 states have (on average 318.5) internal successors, (1911), 6 states have internal predecessors, (1911), 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 19:14:27,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:27,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-08 19:14:27,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:27,496 INFO L124 PetriNetUnfolderBase]: 95/1199 cut-off events. [2024-11-08 19:14:27,496 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:14:27,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1199 events. 95/1199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4664 event pairs, 42 based on Foata normal form. 0/1089 useless extension candidates. Maximal degree in co-relation 991. Up to 263 conditions per place. [2024-11-08 19:14:27,506 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 54 selfloop transitions, 5 changer transitions 0/368 dead transitions. [2024-11-08 19:14:27,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 368 transitions, 880 flow [2024-11-08 19:14:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1944 transitions. [2024-11-08 19:14:27,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2024-11-08 19:14:27,512 INFO L175 Difference]: Start difference. First operand has 365 places, 369 transitions, 764 flow. Second operand 6 states and 1944 transitions. [2024-11-08 19:14:27,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 368 transitions, 880 flow [2024-11-08 19:14:27,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 368 transitions, 878 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:14:27,521 INFO L231 Difference]: Finished difference. Result has 368 places, 368 transitions, 770 flow [2024-11-08 19:14:27,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=770, PETRI_PLACES=368, PETRI_TRANSITIONS=368} [2024-11-08 19:14:27,523 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 1 predicate places. [2024-11-08 19:14:27,523 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 368 transitions, 770 flow [2024-11-08 19:14:27,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 318.5) internal successors, (1911), 6 states have internal predecessors, (1911), 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 19:14:27,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:27,525 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:27,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:14:27,526 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:27,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:27,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1083700427, now seen corresponding path program 1 times [2024-11-08 19:14:27,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:27,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993123479] [2024-11-08 19:14:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:27,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:28,384 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 19:14:28,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:28,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993123479] [2024-11-08 19:14:28,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993123479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:28,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:28,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:28,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719912264] [2024-11-08 19:14:28,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:28,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:28,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:28,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:28,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 376 [2024-11-08 19:14:28,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 368 transitions, 770 flow. Second operand has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 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 19:14:28,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:28,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 376 [2024-11-08 19:14:28,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:29,683 INFO L124 PetriNetUnfolderBase]: 501/2241 cut-off events. [2024-11-08 19:14:29,683 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 19:14:29,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3300 conditions, 2241 events. 501/2241 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12737 event pairs, 342 based on Foata normal form. 0/1984 useless extension candidates. Maximal degree in co-relation 2799. Up to 960 conditions per place. [2024-11-08 19:14:29,699 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 79 selfloop transitions, 5 changer transitions 0/367 dead transitions. [2024-11-08 19:14:29,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 367 transitions, 936 flow [2024-11-08 19:14:29,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1819 transitions. [2024-11-08 19:14:29,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8062943262411347 [2024-11-08 19:14:29,705 INFO L175 Difference]: Start difference. First operand has 368 places, 368 transitions, 770 flow. Second operand 6 states and 1819 transitions. [2024-11-08 19:14:29,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 367 transitions, 936 flow [2024-11-08 19:14:29,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 367 transitions, 926 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:29,715 INFO L231 Difference]: Finished difference. Result has 367 places, 367 transitions, 768 flow [2024-11-08 19:14:29,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=768, PETRI_PLACES=367, PETRI_TRANSITIONS=367} [2024-11-08 19:14:29,717 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 0 predicate places. [2024-11-08 19:14:29,718 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 367 transitions, 768 flow [2024-11-08 19:14:29,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 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 19:14:29,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:29,720 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:29,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:14:29,721 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:29,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:29,722 INFO L85 PathProgramCache]: Analyzing trace with hash -710100905, now seen corresponding path program 1 times [2024-11-08 19:14:29,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:29,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113948662] [2024-11-08 19:14:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:29,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,544 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 19:14:30,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:30,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113948662] [2024-11-08 19:14:30,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113948662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:30,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:30,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:30,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110545538] [2024-11-08 19:14:30,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:30,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:30,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:30,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:30,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:31,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 376 [2024-11-08 19:14:31,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 367 transitions, 768 flow. Second operand has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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 19:14:31,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:31,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 376 [2024-11-08 19:14:31,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:31,803 INFO L124 PetriNetUnfolderBase]: 501/2237 cut-off events. [2024-11-08 19:14:31,804 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 19:14:31,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3280 conditions, 2237 events. 501/2237 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12658 event pairs, 342 based on Foata normal form. 0/1984 useless extension candidates. Maximal degree in co-relation 2815. Up to 944 conditions per place. [2024-11-08 19:14:31,827 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 75 selfloop transitions, 5 changer transitions 0/366 dead transitions. [2024-11-08 19:14:31,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 366 transitions, 926 flow [2024-11-08 19:14:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1839 transitions. [2024-11-08 19:14:31,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8151595744680851 [2024-11-08 19:14:31,837 INFO L175 Difference]: Start difference. First operand has 367 places, 367 transitions, 768 flow. Second operand 6 states and 1839 transitions. [2024-11-08 19:14:31,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 366 transitions, 926 flow [2024-11-08 19:14:31,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 366 transitions, 916 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:31,846 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 766 flow [2024-11-08 19:14:31,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2024-11-08 19:14:31,848 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -1 predicate places. [2024-11-08 19:14:31,850 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 766 flow [2024-11-08 19:14:31,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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 19:14:31,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:31,852 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:31,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:14:31,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:31,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:31,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1435789846, now seen corresponding path program 1 times [2024-11-08 19:14:31,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:31,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381447592] [2024-11-08 19:14:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:32,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381447592] [2024-11-08 19:14:32,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381447592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:32,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:32,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:32,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393198752] [2024-11-08 19:14:32,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:32,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:32,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:32,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:33,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 376 [2024-11-08 19:14:33,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 766 flow. Second operand has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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 19:14:33,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:33,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 376 [2024-11-08 19:14:33,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:34,016 INFO L124 PetriNetUnfolderBase]: 501/2233 cut-off events. [2024-11-08 19:14:34,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:14:34,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3276 conditions, 2233 events. 501/2233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12648 event pairs, 342 based on Foata normal form. 0/1984 useless extension candidates. Maximal degree in co-relation 2830. Up to 944 conditions per place. [2024-11-08 19:14:34,032 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 75 selfloop transitions, 5 changer transitions 0/365 dead transitions. [2024-11-08 19:14:34,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 365 transitions, 924 flow [2024-11-08 19:14:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1839 transitions. [2024-11-08 19:14:34,039 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8151595744680851 [2024-11-08 19:14:34,039 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 766 flow. Second operand 6 states and 1839 transitions. [2024-11-08 19:14:34,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 365 transitions, 924 flow [2024-11-08 19:14:34,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 365 transitions, 914 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:34,048 INFO L231 Difference]: Finished difference. Result has 365 places, 365 transitions, 764 flow [2024-11-08 19:14:34,048 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=764, PETRI_PLACES=365, PETRI_TRANSITIONS=365} [2024-11-08 19:14:34,050 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -2 predicate places. [2024-11-08 19:14:34,050 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 365 transitions, 764 flow [2024-11-08 19:14:34,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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 19:14:34,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:34,052 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:34,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:14:34,052 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:34,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:34,053 INFO L85 PathProgramCache]: Analyzing trace with hash -214384606, now seen corresponding path program 1 times [2024-11-08 19:14:34,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:34,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400391227] [2024-11-08 19:14:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:34,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,057 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 19:14:35,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:35,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400391227] [2024-11-08 19:14:35,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400391227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:35,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:35,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:35,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264898957] [2024-11-08 19:14:35,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:35,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:35,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:35,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:35,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:35,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 376 [2024-11-08 19:14:35,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 365 transitions, 764 flow. Second operand has 6 states, 6 states have (on average 295.5) internal successors, (1773), 6 states have internal predecessors, (1773), 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 19:14:35,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:35,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 376 [2024-11-08 19:14:35,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:36,090 INFO L124 PetriNetUnfolderBase]: 501/2229 cut-off events. [2024-11-08 19:14:36,090 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 19:14:36,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3292 conditions, 2229 events. 501/2229 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12599 event pairs, 342 based on Foata normal form. 0/1984 useless extension candidates. Maximal degree in co-relation 2843. Up to 964 conditions per place. [2024-11-08 19:14:36,110 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 80 selfloop transitions, 5 changer transitions 0/364 dead transitions. [2024-11-08 19:14:36,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 364 transitions, 932 flow [2024-11-08 19:14:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1814 transitions. [2024-11-08 19:14:36,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8040780141843972 [2024-11-08 19:14:36,116 INFO L175 Difference]: Start difference. First operand has 365 places, 365 transitions, 764 flow. Second operand 6 states and 1814 transitions. [2024-11-08 19:14:36,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 364 transitions, 932 flow [2024-11-08 19:14:36,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 364 transitions, 922 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:36,124 INFO L231 Difference]: Finished difference. Result has 364 places, 364 transitions, 762 flow [2024-11-08 19:14:36,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=762, PETRI_PLACES=364, PETRI_TRANSITIONS=364} [2024-11-08 19:14:36,126 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -3 predicate places. [2024-11-08 19:14:36,126 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 364 transitions, 762 flow [2024-11-08 19:14:36,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.5) internal successors, (1773), 6 states have internal predecessors, (1773), 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 19:14:36,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:36,128 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:36,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:14:36,128 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 977964408, now seen corresponding path program 1 times [2024-11-08 19:14:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77617589] [2024-11-08 19:14:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:36,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:36,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:36,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77617589] [2024-11-08 19:14:36,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77617589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:14:36,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932306405] [2024-11-08 19:14:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:36,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:36,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:36,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:14:36,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:14:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:36,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:14:36,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:37,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:14:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:37,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932306405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:14:37,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:14:37,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 19:14:37,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440520329] [2024-11-08 19:14:37,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:14:37,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:14:37,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:37,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:14:37,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:14:37,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 376 [2024-11-08 19:14:37,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 364 transitions, 762 flow. Second operand has 10 states, 10 states have (on average 359.3) internal successors, (3593), 10 states have internal predecessors, (3593), 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 19:14:37,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:37,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 376 [2024-11-08 19:14:37,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:37,650 INFO L124 PetriNetUnfolderBase]: 38/1033 cut-off events. [2024-11-08 19:14:37,651 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:14:37,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 1033 events. 38/1033 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1861 event pairs, 18 based on Foata normal form. 8/995 useless extension candidates. Maximal degree in co-relation 525. Up to 49 conditions per place. [2024-11-08 19:14:37,656 INFO L140 encePairwiseOnDemand]: 369/376 looper letters, 18 selfloop transitions, 9 changer transitions 0/373 dead transitions. [2024-11-08 19:14:37,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 373 transitions, 834 flow [2024-11-08 19:14:37,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:14:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 19:14:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3244 transitions. [2024-11-08 19:14:37,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.958628841607565 [2024-11-08 19:14:37,663 INFO L175 Difference]: Start difference. First operand has 364 places, 364 transitions, 762 flow. Second operand 9 states and 3244 transitions. [2024-11-08 19:14:37,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 373 transitions, 834 flow [2024-11-08 19:14:37,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 373 transitions, 824 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 19:14:37,670 INFO L231 Difference]: Finished difference. Result has 370 places, 369 transitions, 798 flow [2024-11-08 19:14:37,670 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=798, PETRI_PLACES=370, PETRI_TRANSITIONS=369} [2024-11-08 19:14:37,671 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 3 predicate places. [2024-11-08 19:14:37,671 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 369 transitions, 798 flow [2024-11-08 19:14:37,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 359.3) internal successors, (3593), 10 states have internal predecessors, (3593), 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 19:14:37,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:37,674 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:37,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:14:37,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:37,875 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:37,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1477303368, now seen corresponding path program 2 times [2024-11-08 19:14:37,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:37,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818243808] [2024-11-08 19:14:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:37,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 19:14:38,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:38,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818243808] [2024-11-08 19:14:38,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818243808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:14:38,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462756697] [2024-11-08 19:14:38,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:14:38,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:38,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:14:38,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:14:38,937 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 19:14:38,937 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:14:38,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:14:38,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:39,032 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 15 treesize of output 11 [2024-11-08 19:14:39,055 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 28 treesize of output 27 [2024-11-08 19:14:39,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:39,099 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 40 treesize of output 42 [2024-11-08 19:14:39,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:39,156 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 52 treesize of output 57 [2024-11-08 19:14:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-08 19:14:39,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:39,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462756697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:39,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:14:39,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-08 19:14:39,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691762899] [2024-11-08 19:14:39,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:39,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:39,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:39,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:14:40,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 376 [2024-11-08 19:14:40,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 369 transitions, 798 flow. Second operand has 6 states, 6 states have (on average 322.5) internal successors, (1935), 6 states have internal predecessors, (1935), 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 19:14:40,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:40,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 376 [2024-11-08 19:14:40,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:41,723 INFO L124 PetriNetUnfolderBase]: 238/1994 cut-off events. [2024-11-08 19:14:41,723 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-08 19:14:41,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2613 conditions, 1994 events. 238/1994 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9107 event pairs, 54 based on Foata normal form. 0/1814 useless extension candidates. Maximal degree in co-relation 1970. Up to 448 conditions per place. [2024-11-08 19:14:41,737 INFO L140 encePairwiseOnDemand]: 364/376 looper letters, 71 selfloop transitions, 23 changer transitions 0/404 dead transitions. [2024-11-08 19:14:41,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 404 transitions, 1064 flow [2024-11-08 19:14:41,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1985 transitions. [2024-11-08 19:14:41,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8798758865248227 [2024-11-08 19:14:41,742 INFO L175 Difference]: Start difference. First operand has 370 places, 369 transitions, 798 flow. Second operand 6 states and 1985 transitions. [2024-11-08 19:14:41,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 404 transitions, 1064 flow [2024-11-08 19:14:41,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 404 transitions, 1058 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-08 19:14:41,751 INFO L231 Difference]: Finished difference. Result has 379 places, 391 transitions, 950 flow [2024-11-08 19:14:41,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=950, PETRI_PLACES=379, PETRI_TRANSITIONS=391} [2024-11-08 19:14:41,753 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 12 predicate places. [2024-11-08 19:14:41,753 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 391 transitions, 950 flow [2024-11-08 19:14:41,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 322.5) internal successors, (1935), 6 states have internal predecessors, (1935), 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 19:14:41,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:41,755 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:41,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:14:41,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:41,960 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:41,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:41,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1253747508, now seen corresponding path program 1 times [2024-11-08 19:14:41,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847506748] [2024-11-08 19:14:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 19:14:42,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:42,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847506748] [2024-11-08 19:14:42,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847506748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:14:42,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302436706] [2024-11-08 19:14:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:42,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:42,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:42,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:14:42,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:14:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:43,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 1495 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:14:43,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:43,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:14:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:44,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302436706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:14:44,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:14:44,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-08 19:14:44,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659106008] [2024-11-08 19:14:44,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:14:44,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 19:14:44,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:44,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 19:14:44,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:14:44,669 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 376 [2024-11-08 19:14:44,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 391 transitions, 950 flow. Second operand has 19 states, 19 states have (on average 353.05263157894734) internal successors, (6708), 19 states have internal predecessors, (6708), 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 19:14:44,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:44,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 376 [2024-11-08 19:14:44,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:47,511 INFO L124 PetriNetUnfolderBase]: 229/3556 cut-off events. [2024-11-08 19:14:47,513 INFO L125 PetriNetUnfolderBase]: For 136/140 co-relation queries the response was YES. [2024-11-08 19:14:47,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4303 conditions, 3556 events. 229/3556 cut-off events. For 136/140 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9842 event pairs, 55 based on Foata normal form. 14/3359 useless extension candidates. Maximal degree in co-relation 2925. Up to 147 conditions per place. [2024-11-08 19:14:47,533 INFO L140 encePairwiseOnDemand]: 364/376 looper letters, 69 selfloop transitions, 68 changer transitions 0/497 dead transitions. [2024-11-08 19:14:47,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 497 transitions, 1674 flow [2024-11-08 19:14:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-08 19:14:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-08 19:14:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 22201 transitions. [2024-11-08 19:14:47,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.937225599459642 [2024-11-08 19:14:47,583 INFO L175 Difference]: Start difference. First operand has 379 places, 391 transitions, 950 flow. Second operand 63 states and 22201 transitions. [2024-11-08 19:14:47,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 497 transitions, 1674 flow [2024-11-08 19:14:47,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 497 transitions, 1674 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:14:47,598 INFO L231 Difference]: Finished difference. Result has 457 places, 453 transitions, 1472 flow [2024-11-08 19:14:47,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1472, PETRI_PLACES=457, PETRI_TRANSITIONS=453} [2024-11-08 19:14:47,600 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 90 predicate places. [2024-11-08 19:14:47,601 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 453 transitions, 1472 flow [2024-11-08 19:14:47,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 353.05263157894734) internal successors, (6708), 19 states have internal predecessors, (6708), 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 19:14:47,604 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:47,605 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:47,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:14:47,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 19:14:47,809 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:47,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1613228371, now seen corresponding path program 2 times [2024-11-08 19:14:47,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:47,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9242991] [2024-11-08 19:14:47,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:47,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8341 backedges. 4500 proven. 1918 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-11-08 19:14:52,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:52,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9242991] [2024-11-08 19:14:52,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9242991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:14:52,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328720128] [2024-11-08 19:14:52,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:14:52,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:52,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:14:52,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 19:14:53,298 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 19:14:53,298 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:14:53,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:14:53,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:53,393 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 15 treesize of output 11 [2024-11-08 19:14:53,431 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 28 treesize of output 27 [2024-11-08 19:14:53,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:53,479 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 40 treesize of output 42 [2024-11-08 19:14:53,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:53,540 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 52 treesize of output 57 [2024-11-08 19:14:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8341 trivial. 0 not checked. [2024-11-08 19:14:53,590 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:53,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328720128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:53,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:14:53,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-08 19:14:53,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640342799] [2024-11-08 19:14:53,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:53,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:53,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:53,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:53,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:14:55,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 376 [2024-11-08 19:14:55,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 453 transitions, 1472 flow. Second operand has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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 19:14:55,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:14:55,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 376 [2024-11-08 19:14:55,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:14:58,351 INFO L124 PetriNetUnfolderBase]: 380/4164 cut-off events. [2024-11-08 19:14:58,351 INFO L125 PetriNetUnfolderBase]: For 703/739 co-relation queries the response was YES. [2024-11-08 19:14:58,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6024 conditions, 4164 events. 380/4164 cut-off events. For 703/739 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 16270 event pairs, 61 based on Foata normal form. 8/3890 useless extension candidates. Maximal degree in co-relation 3960. Up to 1009 conditions per place. [2024-11-08 19:14:58,387 INFO L140 encePairwiseOnDemand]: 364/376 looper letters, 84 selfloop transitions, 31 changer transitions 0/492 dead transitions. [2024-11-08 19:14:58,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 492 transitions, 1822 flow [2024-11-08 19:14:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:14:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1981 transitions. [2024-11-08 19:14:58,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8781028368794326 [2024-11-08 19:14:58,392 INFO L175 Difference]: Start difference. First operand has 457 places, 453 transitions, 1472 flow. Second operand 6 states and 1981 transitions. [2024-11-08 19:14:58,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 492 transitions, 1822 flow [2024-11-08 19:14:58,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 492 transitions, 1746 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-08 19:14:58,412 INFO L231 Difference]: Finished difference. Result has 460 places, 483 transitions, 1654 flow [2024-11-08 19:14:58,413 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1654, PETRI_PLACES=460, PETRI_TRANSITIONS=483} [2024-11-08 19:14:58,413 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 93 predicate places. [2024-11-08 19:14:58,414 INFO L471 AbstractCegarLoop]: Abstraction has has 460 places, 483 transitions, 1654 flow [2024-11-08 19:14:58,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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 19:14:58,415 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:14:58,416 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:58,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:14:58,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 19:14:58,617 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:14:58,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:58,617 INFO L85 PathProgramCache]: Analyzing trace with hash -39601438, now seen corresponding path program 1 times [2024-11-08 19:14:58,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:58,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073606395] [2024-11-08 19:14:58,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:58,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8341 backedges. 4500 proven. 1918 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-11-08 19:15:02,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:15:02,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073606395] [2024-11-08 19:15:02,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073606395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:15:02,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787563649] [2024-11-08 19:15:02,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:02,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:15:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:15:02,907 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:15:02,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:15:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:04,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 5675 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:15:05,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8341 backedges. 4500 proven. 1918 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-11-08 19:15:06,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:15:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 8341 backedges. 4500 proven. 1918 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-11-08 19:15:07,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787563649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:15:07,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:15:07,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-08 19:15:07,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370806403] [2024-11-08 19:15:07,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:15:07,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 19:15:07,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:15:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 19:15:07,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 19:15:07,700 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 376 [2024-11-08 19:15:07,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 483 transitions, 1654 flow. Second operand has 34 states, 34 states have (on average 359.6470588235294) internal successors, (12228), 34 states have internal predecessors, (12228), 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 19:15:07,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:15:07,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 376 [2024-11-08 19:15:07,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:15:11,586 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([934] L1052-4-->L1057-2: Formula: (and (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#c~0.base_111| (store (select |v_#pthreadsMutex_32| |v_~#c~0.base_111|) (+ |v_~#c~0.offset_111| 104 (* |v_gThread1of1ForFork0_~j~1#1_33| 24)) 0))) (= |v_gThread1of1ForFork0_#t~ret27#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_111|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_33|, #pthreadsMutex=|v_#pthreadsMutex_32|, ~#c~0.offset=|v_~#c~0.offset_111|} OutVars{~#c~0.base=|v_~#c~0.base_111|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_33|, #pthreadsMutex=|v_#pthreadsMutex_31|, ~#c~0.offset=|v_~#c~0.offset_111|, gThread1of1ForFork0_#t~ret27#1=|v_gThread1of1ForFork0_#t~ret27#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, gThread1of1ForFork0_#t~ret27#1][429], [Black: 5610#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 3)), Black: 5664#(and (<= |ULTIMATE.start_main_~j~2#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5616#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 5652#(and (<= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_main_~j~2#1| 3)), Black: 386#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5670#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), 370#true, Black: 4456#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 5628#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 5632#(and (= 0 |ULTIMATE.start_main_#t~post31#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4742#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 4209#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 5658#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 3072#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5622#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 28)), Black: 396#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 4467#(< |ULTIMATE.start_main_~j~2#1| 29), 95#L1057-2true, Black: 3074#(<= |ULTIMATE.start_main_~i~0#1| 1), 5711#true, Black: 10067#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 432#(<= |ULTIMATE.start_main_~j~2#1| 1), Black: 1227#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 10075#(and (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), 258#ULTIMATE.startFINALtrue, Black: 10063#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 10071#(and (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), 3070#true, 368#true, 428#true, 1823#true, 10081#true, 12#L1037-2true, Black: 3060#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3064#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 3052#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 3056#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0))]) [2024-11-08 19:15:11,586 INFO L294 olderBase$Statistics]: this new event has 3000 ancestors and is cut-off event [2024-11-08 19:15:11,586 INFO L297 olderBase$Statistics]: existing Event has 2972 ancestors and is cut-off event [2024-11-08 19:15:11,586 INFO L297 olderBase$Statistics]: existing Event has 2972 ancestors and is cut-off event [2024-11-08 19:15:11,586 INFO L297 olderBase$Statistics]: existing Event has 2972 ancestors and is cut-off event [2024-11-08 19:15:13,823 INFO L124 PetriNetUnfolderBase]: 415/6670 cut-off events. [2024-11-08 19:15:13,823 INFO L125 PetriNetUnfolderBase]: For 3593/3611 co-relation queries the response was YES. [2024-11-08 19:15:13,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8615 conditions, 6670 events. 415/6670 cut-off events. For 3593/3611 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 18644 event pairs, 100 based on Foata normal form. 30/6357 useless extension candidates. Maximal degree in co-relation 5849. Up to 259 conditions per place. [2024-11-08 19:15:13,853 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 62 selfloop transitions, 135 changer transitions 0/598 dead transitions. [2024-11-08 19:15:13,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 598 transitions, 2840 flow [2024-11-08 19:15:13,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-08 19:15:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-08 19:15:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16160 transitions. [2024-11-08 19:15:13,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9550827423167849 [2024-11-08 19:15:13,873 INFO L175 Difference]: Start difference. First operand has 460 places, 483 transitions, 1654 flow. Second operand 45 states and 16160 transitions. [2024-11-08 19:15:13,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 598 transitions, 2840 flow [2024-11-08 19:15:13,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 598 transitions, 2840 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:15:13,899 INFO L231 Difference]: Finished difference. Result has 513 places, 558 transitions, 2528 flow [2024-11-08 19:15:13,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=1654, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2528, PETRI_PLACES=513, PETRI_TRANSITIONS=558} [2024-11-08 19:15:13,900 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 146 predicate places. [2024-11-08 19:15:13,900 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 558 transitions, 2528 flow [2024-11-08 19:15:13,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 359.6470588235294) internal successors, (12228), 34 states have internal predecessors, (12228), 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 19:15:13,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:15:13,907 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:15:13,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 19:15:14,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 19:15:14,108 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:15:14,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1327036446, now seen corresponding path program 2 times [2024-11-08 19:15:14,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:15:14,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581218544] [2024-11-08 19:15:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:15:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 39677 backedges. 20532 proven. 9570 refuted. 0 times theorem prover too weak. 9575 trivial. 0 not checked. [2024-11-08 19:15:28,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:15:28,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581218544] [2024-11-08 19:15:28,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581218544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:15:28,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021052120] [2024-11-08 19:15:28,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:15:28,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:15:28,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:15:28,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:15:28,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 19:15:30,115 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 19:15:30,115 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:15:30,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:15:30,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:30,289 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 19:15:30,326 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 19:15:30,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:30,377 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 19:15:30,443 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:30,444 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 19:15:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 39677 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39677 trivial. 0 not checked. [2024-11-08 19:15:30,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:30,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021052120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:30,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:15:30,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-08 19:15:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254341883] [2024-11-08 19:15:30,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:30,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:15:30,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:15:30,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:15:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 19:15:31,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-08 19:15:31,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 558 transitions, 2528 flow. Second operand has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 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 19:15:31,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:15:31,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-08 19:15:31,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:15:39,784 INFO L124 PetriNetUnfolderBase]: 544/6954 cut-off events. [2024-11-08 19:15:39,784 INFO L125 PetriNetUnfolderBase]: For 2407/2513 co-relation queries the response was YES. [2024-11-08 19:15:39,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 6954 events. 544/6954 cut-off events. For 2407/2513 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 22135 event pairs, 87 based on Foata normal form. 34/6671 useless extension candidates. Maximal degree in co-relation 7351. Up to 1847 conditions per place. [2024-11-08 19:15:39,819 INFO L140 encePairwiseOnDemand]: 365/376 looper letters, 108 selfloop transitions, 55 changer transitions 0/619 dead transitions. [2024-11-08 19:15:39,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 619 transitions, 3180 flow [2024-11-08 19:15:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:15:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:15:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1978 transitions. [2024-11-08 19:15:39,823 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.87677304964539 [2024-11-08 19:15:39,823 INFO L175 Difference]: Start difference. First operand has 513 places, 558 transitions, 2528 flow. Second operand 6 states and 1978 transitions. [2024-11-08 19:15:39,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 619 transitions, 3180 flow [2024-11-08 19:15:39,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 619 transitions, 3072 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-08 19:15:39,864 INFO L231 Difference]: Finished difference. Result has 505 places, 607 transitions, 2974 flow [2024-11-08 19:15:39,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=2420, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2974, PETRI_PLACES=505, PETRI_TRANSITIONS=607} [2024-11-08 19:15:39,867 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 138 predicate places. [2024-11-08 19:15:39,868 INFO L471 AbstractCegarLoop]: Abstraction has has 505 places, 607 transitions, 2974 flow [2024-11-08 19:15:39,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 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 19:15:39,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:15:39,871 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:15:39,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 19:15:40,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 19:15:40,076 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:15:40,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:40,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1388228906, now seen corresponding path program 1 times [2024-11-08 19:15:40,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:15:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037850150] [2024-11-08 19:15:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:15:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39677 backedges. 20532 proven. 9570 refuted. 0 times theorem prover too weak. 9575 trivial. 0 not checked. [2024-11-08 19:15:54,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:15:54,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037850150] [2024-11-08 19:15:54,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037850150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:15:54,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198023892] [2024-11-08 19:15:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:54,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:15:54,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:15:54,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:15:54,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 19:15:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:59,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 11597 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 19:15:59,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 39677 backedges. 20532 proven. 9570 refuted. 0 times theorem prover too weak. 9575 trivial. 0 not checked. [2024-11-08 19:16:01,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:16:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 39677 backedges. 20532 proven. 9570 refuted. 0 times theorem prover too weak. 9575 trivial. 0 not checked. [2024-11-08 19:16:04,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198023892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:16:04,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:16:04,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-08 19:16:04,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888004563] [2024-11-08 19:16:04,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:16:04,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-08 19:16:04,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:16:04,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-08 19:16:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 19:16:04,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 376 [2024-11-08 19:16:04,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 607 transitions, 2974 flow. Second operand has 63 states, 63 states have (on average 359.63492063492066) internal successors, (22657), 63 states have internal predecessors, (22657), 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 19:16:04,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:16:04,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 376 [2024-11-08 19:16:04,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:16:16,792 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([934] L1052-4-->L1057-2: Formula: (and (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#c~0.base_111| (store (select |v_#pthreadsMutex_32| |v_~#c~0.base_111|) (+ |v_~#c~0.offset_111| 104 (* |v_gThread1of1ForFork0_~j~1#1_33| 24)) 0))) (= |v_gThread1of1ForFork0_#t~ret27#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_111|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_33|, #pthreadsMutex=|v_#pthreadsMutex_32|, ~#c~0.offset=|v_~#c~0.offset_111|} OutVars{~#c~0.base=|v_~#c~0.base_111|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_33|, #pthreadsMutex=|v_#pthreadsMutex_31|, ~#c~0.offset=|v_~#c~0.offset_111|, gThread1of1ForFork0_#t~ret27#1=|v_gThread1of1ForFork0_#t~ret27#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, gThread1of1ForFork0_#t~ret27#1][564], [Black: 386#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 396#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 27657#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 27661#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 27653#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 27649#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), 5711#true, Black: 432#(<= |ULTIMATE.start_main_~j~2#1| 1), Black: 1227#(< |ULTIMATE.start_main_~j~2#1| 30), 428#true, 18898#true, 12#L1037-2true, Black: 5610#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 3)), Black: 5664#(and (<= |ULTIMATE.start_main_~j~2#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5616#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 5652#(and (<= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_main_~j~2#1| 3)), 370#true, Black: 5670#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4456#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 5628#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 5632#(and (= 0 |ULTIMATE.start_main_#t~post31#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4742#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 4209#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 17434#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 5658#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 17984#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 16884#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 3072#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5622#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 28)), Black: 4467#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 16598#(< |ULTIMATE.start_main_~j~2#1| 30), 95#L1057-2true, 27667#true, Black: 10097#(<= |ULTIMATE.start_main_~j~2#1| 7), Black: 3074#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 16609#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 17709#(< |ULTIMATE.start_main_~j~2#1| 25), Black: 17159#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 10067#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 10075#(and (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), 258#ULTIMATE.startFINALtrue, Black: 10063#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 10071#(and (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), 3070#true, 368#true, 1823#true, 10081#true, Black: 3060#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3064#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 3052#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 3056#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0))]) [2024-11-08 19:16:16,792 INFO L294 olderBase$Statistics]: this new event has 5730 ancestors and is cut-off event [2024-11-08 19:16:16,793 INFO L297 olderBase$Statistics]: existing Event has 5702 ancestors and is cut-off event [2024-11-08 19:16:16,793 INFO L297 olderBase$Statistics]: existing Event has 5702 ancestors and is cut-off event [2024-11-08 19:16:16,793 INFO L297 olderBase$Statistics]: existing Event has 5702 ancestors and is cut-off event [2024-11-08 19:16:23,568 INFO L124 PetriNetUnfolderBase]: 621/11537 cut-off events. [2024-11-08 19:16:23,568 INFO L125 PetriNetUnfolderBase]: For 15208/15326 co-relation queries the response was YES. [2024-11-08 19:16:23,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15876 conditions, 11537 events. 621/11537 cut-off events. For 15208/15326 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 25589 event pairs, 115 based on Foata normal form. 81/11192 useless extension candidates. Maximal degree in co-relation 12459. Up to 318 conditions per place. [2024-11-08 19:16:23,631 INFO L140 encePairwiseOnDemand]: 370/376 looper letters, 122 selfloop transitions, 270 changer transitions 0/842 dead transitions. [2024-11-08 19:16:23,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 842 transitions, 6002 flow [2024-11-08 19:16:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-08 19:16:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-08 19:16:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 32307 transitions. [2024-11-08 19:16:23,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546985815602836 [2024-11-08 19:16:23,686 INFO L175 Difference]: Start difference. First operand has 505 places, 607 transitions, 2974 flow. Second operand 90 states and 32307 transitions. [2024-11-08 19:16:23,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 842 transitions, 6002 flow [2024-11-08 19:16:23,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 842 transitions, 6002 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:16:23,764 INFO L231 Difference]: Finished difference. Result has 610 places, 745 transitions, 4966 flow [2024-11-08 19:16:23,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=2974, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4966, PETRI_PLACES=610, PETRI_TRANSITIONS=745} [2024-11-08 19:16:23,766 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, 243 predicate places. [2024-11-08 19:16:23,766 INFO L471 AbstractCegarLoop]: Abstraction has has 610 places, 745 transitions, 4966 flow [2024-11-08 19:16:23,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 359.63492063492066) internal successors, (22657), 63 states have internal predecessors, (22657), 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 19:16:23,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:16:23,775 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:16:23,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 19:16:23,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a612db59-9082-4f37-9128-a77218a77fe2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 19:16:23,977 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-08 19:16:23,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:23,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2082718296, now seen corresponding path program 2 times [2024-11-08 19:16:23,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:23,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24509188] [2024-11-08 19:16:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:23,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat