./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/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_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/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_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/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 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:39:29,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:39:29,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:39:29,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:39:29,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:39:29,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:39:29,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:39:29,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:39:29,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:39:29,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:39:29,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:39:29,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:39:29,512 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:39:29,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:39:29,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:39:29,515 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:39:29,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:39:29,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:39:29,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:39:29,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:39:29,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:39:29,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:39:29,522 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:39:29,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:39:29,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:39:29,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:39:29,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:39:29,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:39:29,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:39:29,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:39:29,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:39:29,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:39:29,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:39:29,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:39:29,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:39:29,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:39:29,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:39:29,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:39:29,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:39:29,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:39:29,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:39:29,530 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_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e [2024-11-08 16:39:29,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:39:29,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:39:29,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:39:29,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:39:29,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:39:29,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i Unable to find full path for "g++" [2024-11-08 16:39:31,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:39:32,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:39:32,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i [2024-11-08 16:39:32,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/data/bea447a13/fa3b3d04727a405782a5c5f00cdc6859/FLAG84a6f9099 [2024-11-08 16:39:32,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/data/bea447a13/fa3b3d04727a405782a5c5f00cdc6859 [2024-11-08 16:39:32,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:39:32,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:39:32,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:39:32,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:39:32,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:39:32,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:39:32" (1/1) ... [2024-11-08 16:39:32,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3bdf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32, skipping insertion in model container [2024-11-08 16:39:32,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:39:32" (1/1) ... [2024-11-08 16:39:32,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:39:32,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:39:32,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:39:32,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:39:33,057 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:39:33,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33 WrapperNode [2024-11-08 16:39:33,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:39:33,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:39:33,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:39:33,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:39:33,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,152 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 150 [2024-11-08 16:39:33,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:39:33,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:39:33,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:39:33,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:39:33,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:39:33,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:39:33,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:39:33,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:39:33,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (1/1) ... [2024-11-08 16:39:33,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:39:33,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:33,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:39:33,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:39:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 16:39:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:39:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:39:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 16:39:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:39:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 16:39:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 16:39:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:39:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:39:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:39:33,294 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:39:33,448 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:39:33,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:39:33,824 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:39:33,824 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:39:33,867 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:39:33,869 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:39:33,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:39:33 BoogieIcfgContainer [2024-11-08 16:39:33,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:39:33,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:39:33,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:39:33,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:39:33,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:39:32" (1/3) ... [2024-11-08 16:39:33,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3956075f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:39:33, skipping insertion in model container [2024-11-08 16:39:33,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:33" (2/3) ... [2024-11-08 16:39:33,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3956075f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:39:33, skipping insertion in model container [2024-11-08 16:39:33,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:39:33" (3/3) ... [2024-11-08 16:39:33,882 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2024-11-08 16:39:33,902 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:39:33,902 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:39:33,903 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:39:34,017 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 16:39:34,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 162 transitions, 328 flow [2024-11-08 16:39:34,164 INFO L124 PetriNetUnfolderBase]: 4/161 cut-off events. [2024-11-08 16:39:34,165 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:39:34,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 161 events. 4/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 82 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2024-11-08 16:39:34,171 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 162 transitions, 328 flow [2024-11-08 16:39:34,176 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 161 transitions, 325 flow [2024-11-08 16:39:34,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:39:34,194 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;@7270196e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:39:34,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 16:39:34,230 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:39:34,230 INFO L124 PetriNetUnfolderBase]: 4/114 cut-off events. [2024-11-08 16:39:34,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:39:34,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:34,231 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] [2024-11-08 16:39:34,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:34,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:34,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1643148568, now seen corresponding path program 1 times [2024-11-08 16:39:34,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:34,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15218800] [2024-11-08 16:39:34,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:34,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:34,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15218800] [2024-11-08 16:39:34,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15218800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:34,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:34,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:39:34,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253802663] [2024-11-08 16:39:34,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:34,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:39:34,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:34,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:39:34,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:39:34,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 162 [2024-11-08 16:39:34,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 161 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:34,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:34,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 162 [2024-11-08 16:39:34,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:34,934 INFO L124 PetriNetUnfolderBase]: 8/224 cut-off events. [2024-11-08 16:39:34,934 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:39:34,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 224 events. 8/224 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 325 event pairs, 6 based on Foata normal form. 6/218 useless extension candidates. Maximal degree in co-relation 144. Up to 25 conditions per place. [2024-11-08 16:39:34,937 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 11 selfloop transitions, 2 changer transitions 1/160 dead transitions. [2024-11-08 16:39:34,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 160 transitions, 349 flow [2024-11-08 16:39:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:39:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:39:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 461 transitions. [2024-11-08 16:39:34,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948559670781893 [2024-11-08 16:39:34,953 INFO L175 Difference]: Start difference. First operand has 161 places, 161 transitions, 325 flow. Second operand 3 states and 461 transitions. [2024-11-08 16:39:34,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 160 transitions, 349 flow [2024-11-08 16:39:34,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 160 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:39:34,962 INFO L231 Difference]: Finished difference. Result has 163 places, 159 transitions, 332 flow [2024-11-08 16:39:34,965 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=163, PETRI_TRANSITIONS=159} [2024-11-08 16:39:34,968 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 2 predicate places. [2024-11-08 16:39:34,968 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 159 transitions, 332 flow [2024-11-08 16:39:34,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:34,969 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:34,969 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] [2024-11-08 16:39:34,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:39:34,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:34,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:34,971 INFO L85 PathProgramCache]: Analyzing trace with hash -599110617, now seen corresponding path program 1 times [2024-11-08 16:39:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772919805] [2024-11-08 16:39:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:35,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:35,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772919805] [2024-11-08 16:39:35,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772919805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:39:35,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157654737] [2024-11-08 16:39:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:35,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:35,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:35,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:39:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:35,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:39:35,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:35,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:39:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:35,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157654737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:39:35,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:39:35,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 16:39:35,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463397910] [2024-11-08 16:39:35,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:39:35,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:39:35,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:35,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:39:35,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:39:35,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 162 [2024-11-08 16:39:35,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 159 transitions, 332 flow. Second operand has 10 states, 10 states have (on average 146.3) internal successors, (1463), 10 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:35,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:35,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 162 [2024-11-08 16:39:35,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:35,826 INFO L124 PetriNetUnfolderBase]: 7/230 cut-off events. [2024-11-08 16:39:35,828 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:39:35,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 230 events. 7/230 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 319 event pairs, 6 based on Foata normal form. 4/223 useless extension candidates. Maximal degree in co-relation 195. Up to 24 conditions per place. [2024-11-08 16:39:35,832 INFO L140 encePairwiseOnDemand]: 155/162 looper letters, 17 selfloop transitions, 9 changer transitions 0/168 dead transitions. [2024-11-08 16:39:35,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 168 transitions, 402 flow [2024-11-08 16:39:35,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:39:35,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:39:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1326 transitions. [2024-11-08 16:39:35,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9094650205761317 [2024-11-08 16:39:35,839 INFO L175 Difference]: Start difference. First operand has 163 places, 159 transitions, 332 flow. Second operand 9 states and 1326 transitions. [2024-11-08 16:39:35,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 168 transitions, 402 flow [2024-11-08 16:39:35,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 168 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:39:35,846 INFO L231 Difference]: Finished difference. Result has 172 places, 164 transitions, 376 flow [2024-11-08 16:39:35,847 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=376, PETRI_PLACES=172, PETRI_TRANSITIONS=164} [2024-11-08 16:39:35,848 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 11 predicate places. [2024-11-08 16:39:35,848 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 164 transitions, 376 flow [2024-11-08 16:39:35,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 146.3) internal successors, (1463), 10 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:35,849 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:35,850 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:35,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:39:36,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:36,055 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:36,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:36,057 INFO L85 PathProgramCache]: Analyzing trace with hash -809976603, now seen corresponding path program 2 times [2024-11-08 16:39:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:36,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205502097] [2024-11-08 16:39:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:36,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:36,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:36,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205502097] [2024-11-08 16:39:36,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205502097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:39:36,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078392719] [2024-11-08 16:39:36,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:39:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:36,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:36,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:39:36,535 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 16:39:36,535 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:39:36,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:39:36,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:36,579 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 16:39:36,604 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 16:39:36,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:39:36,643 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 16:39:36,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:39:36,687 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 16:39:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 16:39:36,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:39:36,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078392719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:36,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:39:36,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-08 16:39:36,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125549145] [2024-11-08 16:39:36,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:36,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:39:36,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:36,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:39:36,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:39:37,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 162 [2024-11-08 16:39:37,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 164 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 137.66666666666666) internal successors, (826), 6 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:37,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:37,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 162 [2024-11-08 16:39:37,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:37,686 INFO L124 PetriNetUnfolderBase]: 103/532 cut-off events. [2024-11-08 16:39:37,687 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-08 16:39:37,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 532 events. 103/532 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2271 event pairs, 40 based on Foata normal form. 0/496 useless extension candidates. Maximal degree in co-relation 682. Up to 184 conditions per place. [2024-11-08 16:39:37,693 INFO L140 encePairwiseOnDemand]: 151/162 looper letters, 31 selfloop transitions, 22 changer transitions 0/193 dead transitions. [2024-11-08 16:39:37,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 193 transitions, 540 flow [2024-11-08 16:39:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:39:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:39:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 870 transitions. [2024-11-08 16:39:37,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950617283950617 [2024-11-08 16:39:37,698 INFO L175 Difference]: Start difference. First operand has 172 places, 164 transitions, 376 flow. Second operand 6 states and 870 transitions. [2024-11-08 16:39:37,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 193 transitions, 540 flow [2024-11-08 16:39:37,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 193 transitions, 534 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-08 16:39:37,707 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 520 flow [2024-11-08 16:39:37,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=181, PETRI_TRANSITIONS=185} [2024-11-08 16:39:37,735 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 20 predicate places. [2024-11-08 16:39:37,735 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 520 flow [2024-11-08 16:39:37,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.66666666666666) internal successors, (826), 6 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:37,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:37,737 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:37,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:39:37,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:37,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:37,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:37,939 INFO L85 PathProgramCache]: Analyzing trace with hash 599319029, now seen corresponding path program 1 times [2024-11-08 16:39:37,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:37,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941583643] [2024-11-08 16:39:37,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:38,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:38,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941583643] [2024-11-08 16:39:38,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941583643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:39:38,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369628089] [2024-11-08 16:39:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:38,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:38,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:38,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:38,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:39:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:38,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:39:38,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:38,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:39:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:38,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369628089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:39:38,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:39:38,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-08 16:39:38,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790678760] [2024-11-08 16:39:38,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:39:38,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:39:38,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:38,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:39:38,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:39:38,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 162 [2024-11-08 16:39:38,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 185 transitions, 520 flow. Second operand has 18 states, 18 states have (on average 146.38888888888889) internal successors, (2635), 18 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:38,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:38,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 162 [2024-11-08 16:39:38,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:38,950 INFO L124 PetriNetUnfolderBase]: 38/403 cut-off events. [2024-11-08 16:39:38,950 INFO L125 PetriNetUnfolderBase]: For 57/62 co-relation queries the response was YES. [2024-11-08 16:39:38,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 403 events. 38/403 cut-off events. For 57/62 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1191 event pairs, 11 based on Foata normal form. 4/391 useless extension candidates. Maximal degree in co-relation 482. Up to 51 conditions per place. [2024-11-08 16:39:38,954 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 25 selfloop transitions, 21 changer transitions 0/209 dead transitions. [2024-11-08 16:39:38,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 209 transitions, 712 flow [2024-11-08 16:39:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 16:39:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-08 16:39:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3074 transitions. [2024-11-08 16:39:38,963 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9035861258083481 [2024-11-08 16:39:38,964 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 520 flow. Second operand 21 states and 3074 transitions. [2024-11-08 16:39:38,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 209 transitions, 712 flow [2024-11-08 16:39:38,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 209 transitions, 712 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:39:38,973 INFO L231 Difference]: Finished difference. Result has 206 places, 198 transitions, 650 flow [2024-11-08 16:39:38,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=650, PETRI_PLACES=206, PETRI_TRANSITIONS=198} [2024-11-08 16:39:38,976 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 45 predicate places. [2024-11-08 16:39:38,976 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 198 transitions, 650 flow [2024-11-08 16:39:38,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 146.38888888888889) internal successors, (2635), 18 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:38,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:38,978 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:38,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:39:39,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:39,180 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:39,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash -589201295, now seen corresponding path program 2 times [2024-11-08 16:39:39,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:39,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807112741] [2024-11-08 16:39:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:39,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:39,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:39,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807112741] [2024-11-08 16:39:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807112741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:39:39,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248304006] [2024-11-08 16:39:39,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:39:39,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:39,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:39,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:39:39,869 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 16:39:39,869 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:39:39,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:39:39,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:39,894 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 16:39:39,920 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 16:39:39,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:39:39,958 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 16:39:40,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:39:40,007 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 16:39:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-08 16:39:40,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:39:40,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248304006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:40,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:39:40,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-08 16:39:40,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851148540] [2024-11-08 16:39:40,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:40,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:39:40,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:40,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:39:40,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:39:40,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 162 [2024-11-08 16:39:40,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 198 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 132.66666666666666) internal successors, (796), 6 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:40,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:40,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 162 [2024-11-08 16:39:40,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:40,988 INFO L124 PetriNetUnfolderBase]: 223/899 cut-off events. [2024-11-08 16:39:40,989 INFO L125 PetriNetUnfolderBase]: For 188/194 co-relation queries the response was YES. [2024-11-08 16:39:40,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 899 events. 223/899 cut-off events. For 188/194 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4691 event pairs, 82 based on Foata normal form. 5/846 useless extension candidates. Maximal degree in co-relation 1566. Up to 407 conditions per place. [2024-11-08 16:39:40,996 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 53 selfloop transitions, 39 changer transitions 5/243 dead transitions. [2024-11-08 16:39:40,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 243 transitions, 964 flow [2024-11-08 16:39:40,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:39:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:39:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 856 transitions. [2024-11-08 16:39:40,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8806584362139918 [2024-11-08 16:39:40,999 INFO L175 Difference]: Start difference. First operand has 206 places, 198 transitions, 650 flow. Second operand 6 states and 856 transitions. [2024-11-08 16:39:40,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 243 transitions, 964 flow [2024-11-08 16:39:41,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 243 transitions, 940 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-08 16:39:41,011 INFO L231 Difference]: Finished difference. Result has 210 places, 234 transitions, 914 flow [2024-11-08 16:39:41,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=914, PETRI_PLACES=210, PETRI_TRANSITIONS=234} [2024-11-08 16:39:41,012 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 49 predicate places. [2024-11-08 16:39:41,013 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 234 transitions, 914 flow [2024-11-08 16:39:41,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.66666666666666) internal successors, (796), 6 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:41,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:41,014 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:41,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 16:39:41,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:41,215 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:41,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1009772088, now seen corresponding path program 1 times [2024-11-08 16:39:41,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:41,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017297918] [2024-11-08 16:39:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:41,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:41,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:41,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017297918] [2024-11-08 16:39:41,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017297918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:39:41,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716209238] [2024-11-08 16:39:41,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:41,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:41,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:41,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:41,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:39:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:41,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:39:41,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:42,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:39:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:39:42,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716209238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:39:42,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:39:42,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-08 16:39:42,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749622930] [2024-11-08 16:39:42,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:39:42,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 16:39:42,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:42,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 16:39:42,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:39:42,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 162 [2024-11-08 16:39:42,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 234 transitions, 914 flow. Second operand has 23 states, 23 states have (on average 146.52173913043478) internal successors, (3370), 23 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:42,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:42,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 162 [2024-11-08 16:39:42,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:42,878 INFO L124 PetriNetUnfolderBase]: 123/671 cut-off events. [2024-11-08 16:39:42,878 INFO L125 PetriNetUnfolderBase]: For 327/332 co-relation queries the response was YES. [2024-11-08 16:39:42,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1423 conditions, 671 events. 123/671 cut-off events. For 327/332 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2901 event pairs, 15 based on Foata normal form. 3/646 useless extension candidates. Maximal degree in co-relation 1127. Up to 118 conditions per place. [2024-11-08 16:39:42,882 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 31 selfloop transitions, 30 changer transitions 0/260 dead transitions. [2024-11-08 16:39:42,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 260 transitions, 1176 flow [2024-11-08 16:39:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 16:39:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-08 16:39:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4384 transitions. [2024-11-08 16:39:42,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9020576131687242 [2024-11-08 16:39:42,892 INFO L175 Difference]: Start difference. First operand has 210 places, 234 transitions, 914 flow. Second operand 30 states and 4384 transitions. [2024-11-08 16:39:42,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 260 transitions, 1176 flow [2024-11-08 16:39:42,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 260 transitions, 1144 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-08 16:39:42,902 INFO L231 Difference]: Finished difference. Result has 242 places, 244 transitions, 1034 flow [2024-11-08 16:39:42,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1034, PETRI_PLACES=242, PETRI_TRANSITIONS=244} [2024-11-08 16:39:42,903 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 81 predicate places. [2024-11-08 16:39:42,903 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 244 transitions, 1034 flow [2024-11-08 16:39:42,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 146.52173913043478) internal successors, (3370), 23 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:42,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:42,905 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:42,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 16:39:43,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93bc9511-5c8b-49d3-a6ca-0a09842e0fe0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-08 16:39:43,106 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:43,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:43,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1911830341, now seen corresponding path program 2 times [2024-11-08 16:39:43,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:43,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583175848] [2024-11-08 16:39:43,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:39:43,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:43,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583175848] [2024-11-08 16:39:43,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583175848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:43,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:43,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:39:43,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567033108] [2024-11-08 16:39:43,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:43,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:39:43,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:43,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:39:43,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:39:44,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 162 [2024-11-08 16:39:44,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 244 transitions, 1034 flow. Second operand has 6 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:44,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:44,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 162 [2024-11-08 16:39:44,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:44,351 INFO L124 PetriNetUnfolderBase]: 212/935 cut-off events. [2024-11-08 16:39:44,351 INFO L125 PetriNetUnfolderBase]: For 580/624 co-relation queries the response was YES. [2024-11-08 16:39:44,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2195 conditions, 935 events. 212/935 cut-off events. For 580/624 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4923 event pairs, 40 based on Foata normal form. 1/918 useless extension candidates. Maximal degree in co-relation 1908. Up to 338 conditions per place. [2024-11-08 16:39:44,358 INFO L140 encePairwiseOnDemand]: 151/162 looper letters, 72 selfloop transitions, 40 changer transitions 0/283 dead transitions. [2024-11-08 16:39:44,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 283 transitions, 1442 flow [2024-11-08 16:39:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:39:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:39:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 885 transitions. [2024-11-08 16:39:44,362 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9104938271604939 [2024-11-08 16:39:44,362 INFO L175 Difference]: Start difference. First operand has 242 places, 244 transitions, 1034 flow. Second operand 6 states and 885 transitions. [2024-11-08 16:39:44,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 283 transitions, 1442 flow [2024-11-08 16:39:44,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 283 transitions, 1396 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-08 16:39:44,378 INFO L231 Difference]: Finished difference. Result has 234 places, 275 transitions, 1356 flow [2024-11-08 16:39:44,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=988, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1356, PETRI_PLACES=234, PETRI_TRANSITIONS=275} [2024-11-08 16:39:44,379 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 73 predicate places. [2024-11-08 16:39:44,380 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 275 transitions, 1356 flow [2024-11-08 16:39:44,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:44,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:44,381 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:44,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:39:44,381 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:44,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:44,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1820481226, now seen corresponding path program 1 times [2024-11-08 16:39:44,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:44,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726606957] [2024-11-08 16:39:44,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:39:45,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:45,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726606957] [2024-11-08 16:39:45,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726606957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:45,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:45,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:39:45,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405355430] [2024-11-08 16:39:45,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:45,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:39:45,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:45,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:39:45,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:39:45,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-08 16:39:45,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 275 transitions, 1356 flow. Second operand has 6 states, 6 states have (on average 135.33333333333334) internal successors, (812), 6 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:45,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:45,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-08 16:39:45,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:45,650 INFO L124 PetriNetUnfolderBase]: 361/1336 cut-off events. [2024-11-08 16:39:45,650 INFO L125 PetriNetUnfolderBase]: For 1482/1510 co-relation queries the response was YES. [2024-11-08 16:39:45,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3675 conditions, 1336 events. 361/1336 cut-off events. For 1482/1510 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7959 event pairs, 87 based on Foata normal form. 2/1302 useless extension candidates. Maximal degree in co-relation 3405. Up to 610 conditions per place. [2024-11-08 16:39:45,659 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 100 selfloop transitions, 64 changer transitions 10/336 dead transitions. [2024-11-08 16:39:45,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 336 transitions, 2044 flow [2024-11-08 16:39:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:39:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:39:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 871 transitions. [2024-11-08 16:39:45,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8960905349794238 [2024-11-08 16:39:45,662 INFO L175 Difference]: Start difference. First operand has 234 places, 275 transitions, 1356 flow. Second operand 6 states and 871 transitions. [2024-11-08 16:39:45,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 336 transitions, 2044 flow [2024-11-08 16:39:45,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 336 transitions, 2026 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-08 16:39:45,680 INFO L231 Difference]: Finished difference. Result has 244 places, 322 transitions, 1924 flow [2024-11-08 16:39:45,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1338, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1924, PETRI_PLACES=244, PETRI_TRANSITIONS=322} [2024-11-08 16:39:45,681 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 83 predicate places. [2024-11-08 16:39:45,681 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 322 transitions, 1924 flow [2024-11-08 16:39:45,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.33333333333334) internal successors, (812), 6 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:45,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:45,682 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:45,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:39:45,683 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:45,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash 493183557, now seen corresponding path program 1 times [2024-11-08 16:39:45,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:45,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529815110] [2024-11-08 16:39:45,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:39:47,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:47,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529815110] [2024-11-08 16:39:47,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529815110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:47,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:47,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:39:47,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510893266] [2024-11-08 16:39:47,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:47,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:39:47,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:47,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:39:47,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:39:48,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:39:48,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 322 transitions, 1924 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:48,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:48,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:39:48,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:49,697 INFO L124 PetriNetUnfolderBase]: 460/1599 cut-off events. [2024-11-08 16:39:49,698 INFO L125 PetriNetUnfolderBase]: For 2914/2988 co-relation queries the response was YES. [2024-11-08 16:39:49,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5244 conditions, 1599 events. 460/1599 cut-off events. For 2914/2988 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10019 event pairs, 19 based on Foata normal form. 37/1620 useless extension candidates. Maximal degree in co-relation 4957. Up to 571 conditions per place. [2024-11-08 16:39:49,712 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 190 selfloop transitions, 78 changer transitions 46/471 dead transitions. [2024-11-08 16:39:49,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 471 transitions, 3640 flow [2024-11-08 16:39:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:39:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 16:39:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1667 transitions. [2024-11-08 16:39:49,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8575102880658436 [2024-11-08 16:39:49,716 INFO L175 Difference]: Start difference. First operand has 244 places, 322 transitions, 1924 flow. Second operand 12 states and 1667 transitions. [2024-11-08 16:39:49,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 471 transitions, 3640 flow [2024-11-08 16:39:49,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 471 transitions, 3554 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-08 16:39:49,752 INFO L231 Difference]: Finished difference. Result has 263 places, 359 transitions, 2472 flow [2024-11-08 16:39:49,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1850, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2472, PETRI_PLACES=263, PETRI_TRANSITIONS=359} [2024-11-08 16:39:49,753 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 102 predicate places. [2024-11-08 16:39:49,753 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 359 transitions, 2472 flow [2024-11-08 16:39:49,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:49,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:49,754 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:49,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:39:49,755 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:49,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:49,755 INFO L85 PathProgramCache]: Analyzing trace with hash -21294555, now seen corresponding path program 2 times [2024-11-08 16:39:49,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:49,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795164429] [2024-11-08 16:39:49,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:49,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:39:51,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:51,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795164429] [2024-11-08 16:39:51,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795164429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:51,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:51,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:39:51,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474021039] [2024-11-08 16:39:51,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:51,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:39:51,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:51,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:39:51,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:39:52,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-08 16:39:52,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 359 transitions, 2472 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:52,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:52,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-08 16:39:52,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:53,709 INFO L124 PetriNetUnfolderBase]: 456/1560 cut-off events. [2024-11-08 16:39:53,709 INFO L125 PetriNetUnfolderBase]: For 4190/4297 co-relation queries the response was YES. [2024-11-08 16:39:53,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5957 conditions, 1560 events. 456/1560 cut-off events. For 4190/4297 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9596 event pairs, 88 based on Foata normal form. 63/1606 useless extension candidates. Maximal degree in co-relation 5661. Up to 662 conditions per place. [2024-11-08 16:39:53,724 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 169 selfloop transitions, 83 changer transitions 20/425 dead transitions. [2024-11-08 16:39:53,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 425 transitions, 3505 flow [2024-11-08 16:39:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:39:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:39:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1252 transitions. [2024-11-08 16:39:53,729 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8587105624142661 [2024-11-08 16:39:53,730 INFO L175 Difference]: Start difference. First operand has 263 places, 359 transitions, 2472 flow. Second operand 9 states and 1252 transitions. [2024-11-08 16:39:53,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 425 transitions, 3505 flow [2024-11-08 16:39:53,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 425 transitions, 3481 flow, removed 12 selfloop flow, removed 0 redundant places. [2024-11-08 16:39:53,784 INFO L231 Difference]: Finished difference. Result has 272 places, 363 transitions, 2688 flow [2024-11-08 16:39:53,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=2448, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2688, PETRI_PLACES=272, PETRI_TRANSITIONS=363} [2024-11-08 16:39:53,787 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 111 predicate places. [2024-11-08 16:39:53,787 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 363 transitions, 2688 flow [2024-11-08 16:39:53,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:53,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:53,788 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:53,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:39:53,788 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:53,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:53,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1566466869, now seen corresponding path program 3 times [2024-11-08 16:39:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:53,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068361450] [2024-11-08 16:39:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:53,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:39:55,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:39:55,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068361450] [2024-11-08 16:39:55,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068361450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:55,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:55,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:39:55,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636406527] [2024-11-08 16:39:55,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:55,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:39:55,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:39:55,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:39:55,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:39:57,824 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:39:57,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 363 transitions, 2688 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:57,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:39:57,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:39:57,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:39:59,641 INFO L124 PetriNetUnfolderBase]: 780/2444 cut-off events. [2024-11-08 16:39:59,642 INFO L125 PetriNetUnfolderBase]: For 9319/9453 co-relation queries the response was YES. [2024-11-08 16:39:59,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10394 conditions, 2444 events. 780/2444 cut-off events. For 9319/9453 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 17697 event pairs, 58 based on Foata normal form. 59/2470 useless extension candidates. Maximal degree in co-relation 10094. Up to 632 conditions per place. [2024-11-08 16:39:59,671 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 348 selfloop transitions, 95 changer transitions 12/612 dead transitions. [2024-11-08 16:39:59,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 612 transitions, 6192 flow [2024-11-08 16:39:59,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:39:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:39:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1531 transitions. [2024-11-08 16:39:59,676 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8591470258136925 [2024-11-08 16:39:59,676 INFO L175 Difference]: Start difference. First operand has 272 places, 363 transitions, 2688 flow. Second operand 11 states and 1531 transitions. [2024-11-08 16:39:59,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 612 transitions, 6192 flow [2024-11-08 16:39:59,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 612 transitions, 6042 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-08 16:39:59,782 INFO L231 Difference]: Finished difference. Result has 285 places, 443 transitions, 4097 flow [2024-11-08 16:39:59,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=2618, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4097, PETRI_PLACES=285, PETRI_TRANSITIONS=443} [2024-11-08 16:39:59,784 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 124 predicate places. [2024-11-08 16:39:59,784 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 443 transitions, 4097 flow [2024-11-08 16:39:59,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:39:59,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:39:59,785 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:59,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:39:59,786 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:39:59,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2005106335, now seen corresponding path program 4 times [2024-11-08 16:39:59,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:59,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676877342] [2024-11-08 16:39:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:39:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:01,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:01,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676877342] [2024-11-08 16:40:01,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676877342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:01,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:01,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:01,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679921303] [2024-11-08 16:40:01,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:01,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:01,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:01,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:01,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:02,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:02,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 443 transitions, 4097 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:02,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:02,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:02,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:03,986 INFO L124 PetriNetUnfolderBase]: 783/2584 cut-off events. [2024-11-08 16:40:03,986 INFO L125 PetriNetUnfolderBase]: For 12557/12696 co-relation queries the response was YES. [2024-11-08 16:40:04,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11370 conditions, 2584 events. 783/2584 cut-off events. For 12557/12696 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 19342 event pairs, 62 based on Foata normal form. 48/2603 useless extension candidates. Maximal degree in co-relation 11063. Up to 658 conditions per place. [2024-11-08 16:40:04,016 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 350 selfloop transitions, 109 changer transitions 21/637 dead transitions. [2024-11-08 16:40:04,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 637 transitions, 6874 flow [2024-11-08 16:40:04,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:40:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:40:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1422 transitions. [2024-11-08 16:40:04,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8777777777777778 [2024-11-08 16:40:04,020 INFO L175 Difference]: Start difference. First operand has 285 places, 443 transitions, 4097 flow. Second operand 10 states and 1422 transitions. [2024-11-08 16:40:04,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 637 transitions, 6874 flow [2024-11-08 16:40:04,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 637 transitions, 6826 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-11-08 16:40:04,139 INFO L231 Difference]: Finished difference. Result has 300 places, 473 transitions, 4846 flow [2024-11-08 16:40:04,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=4049, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4846, PETRI_PLACES=300, PETRI_TRANSITIONS=473} [2024-11-08 16:40:04,141 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 139 predicate places. [2024-11-08 16:40:04,141 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 473 transitions, 4846 flow [2024-11-08 16:40:04,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:04,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:04,142 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:04,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:40:04,142 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:04,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:04,143 INFO L85 PathProgramCache]: Analyzing trace with hash -802049837, now seen corresponding path program 5 times [2024-11-08 16:40:04,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:04,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590511251] [2024-11-08 16:40:04,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:05,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:05,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590511251] [2024-11-08 16:40:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590511251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:05,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:05,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:05,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378440520] [2024-11-08 16:40:05,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:05,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:05,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:05,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:05,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:07,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-08 16:40:07,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 473 transitions, 4846 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:07,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:07,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-08 16:40:07,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:09,562 INFO L124 PetriNetUnfolderBase]: 860/2695 cut-off events. [2024-11-08 16:40:09,563 INFO L125 PetriNetUnfolderBase]: For 16661/16838 co-relation queries the response was YES. [2024-11-08 16:40:09,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12880 conditions, 2695 events. 860/2695 cut-off events. For 16661/16838 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 20071 event pairs, 146 based on Foata normal form. 105/2769 useless extension candidates. Maximal degree in co-relation 12566. Up to 1231 conditions per place. [2024-11-08 16:40:09,596 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 213 selfloop transitions, 161 changer transitions 19/546 dead transitions. [2024-11-08 16:40:09,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 546 transitions, 6377 flow [2024-11-08 16:40:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:40:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 16:40:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1639 transitions. [2024-11-08 16:40:09,600 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8431069958847737 [2024-11-08 16:40:09,601 INFO L175 Difference]: Start difference. First operand has 300 places, 473 transitions, 4846 flow. Second operand 12 states and 1639 transitions. [2024-11-08 16:40:09,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 546 transitions, 6377 flow [2024-11-08 16:40:09,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 546 transitions, 6231 flow, removed 69 selfloop flow, removed 1 redundant places. [2024-11-08 16:40:09,713 INFO L231 Difference]: Finished difference. Result has 315 places, 484 transitions, 5258 flow [2024-11-08 16:40:09,714 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=4703, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5258, PETRI_PLACES=315, PETRI_TRANSITIONS=484} [2024-11-08 16:40:09,714 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 154 predicate places. [2024-11-08 16:40:09,715 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 484 transitions, 5258 flow [2024-11-08 16:40:09,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:09,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:09,716 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:09,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:40:09,717 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:09,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:09,717 INFO L85 PathProgramCache]: Analyzing trace with hash -528907335, now seen corresponding path program 6 times [2024-11-08 16:40:09,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:09,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794475168] [2024-11-08 16:40:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:09,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:11,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:11,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794475168] [2024-11-08 16:40:11,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794475168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:11,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:11,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:11,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827515736] [2024-11-08 16:40:11,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:11,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:11,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:11,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:13,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:13,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 484 transitions, 5258 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:13,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:13,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:13,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:15,155 INFO L124 PetriNetUnfolderBase]: 784/2582 cut-off events. [2024-11-08 16:40:15,155 INFO L125 PetriNetUnfolderBase]: For 17950/18089 co-relation queries the response was YES. [2024-11-08 16:40:15,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12686 conditions, 2582 events. 784/2582 cut-off events. For 17950/18089 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 19382 event pairs, 56 based on Foata normal form. 67/2616 useless extension candidates. Maximal degree in co-relation 12445. Up to 622 conditions per place. [2024-11-08 16:40:15,176 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 383 selfloop transitions, 109 changer transitions 17/666 dead transitions. [2024-11-08 16:40:15,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 666 transitions, 8108 flow [2024-11-08 16:40:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:40:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:40:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1549 transitions. [2024-11-08 16:40:15,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8692480359147026 [2024-11-08 16:40:15,180 INFO L175 Difference]: Start difference. First operand has 315 places, 484 transitions, 5258 flow. Second operand 11 states and 1549 transitions. [2024-11-08 16:40:15,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 666 transitions, 8108 flow [2024-11-08 16:40:15,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 666 transitions, 7753 flow, removed 30 selfloop flow, removed 5 redundant places. [2024-11-08 16:40:15,282 INFO L231 Difference]: Finished difference. Result has 325 places, 506 transitions, 5613 flow [2024-11-08 16:40:15,282 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=4959, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5613, PETRI_PLACES=325, PETRI_TRANSITIONS=506} [2024-11-08 16:40:15,283 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 164 predicate places. [2024-11-08 16:40:15,283 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 506 transitions, 5613 flow [2024-11-08 16:40:15,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:15,284 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:15,284 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:15,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:40:15,284 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:15,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:15,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1245640549, now seen corresponding path program 7 times [2024-11-08 16:40:15,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:15,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982366049] [2024-11-08 16:40:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:15,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:16,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:16,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982366049] [2024-11-08 16:40:16,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982366049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:16,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:16,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:16,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011076517] [2024-11-08 16:40:16,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:16,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:16,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:18,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-08 16:40:18,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 506 transitions, 5613 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:18,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:18,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-08 16:40:18,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:20,782 INFO L124 PetriNetUnfolderBase]: 864/2725 cut-off events. [2024-11-08 16:40:20,783 INFO L125 PetriNetUnfolderBase]: For 20846/21014 co-relation queries the response was YES. [2024-11-08 16:40:20,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13763 conditions, 2725 events. 864/2725 cut-off events. For 20846/21014 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 20414 event pairs, 146 based on Foata normal form. 96/2791 useless extension candidates. Maximal degree in co-relation 13625. Up to 1234 conditions per place. [2024-11-08 16:40:20,812 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 240 selfloop transitions, 167 changer transitions 17/577 dead transitions. [2024-11-08 16:40:20,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 577 transitions, 7290 flow [2024-11-08 16:40:20,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:40:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-08 16:40:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1758 transitions. [2024-11-08 16:40:20,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8347578347578347 [2024-11-08 16:40:20,817 INFO L175 Difference]: Start difference. First operand has 325 places, 506 transitions, 5613 flow. Second operand 13 states and 1758 transitions. [2024-11-08 16:40:20,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 577 transitions, 7290 flow [2024-11-08 16:40:21,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 577 transitions, 7184 flow, removed 31 selfloop flow, removed 3 redundant places. [2024-11-08 16:40:21,032 INFO L231 Difference]: Finished difference. Result has 341 places, 526 transitions, 6298 flow [2024-11-08 16:40:21,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=5509, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=506, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6298, PETRI_PLACES=341, PETRI_TRANSITIONS=526} [2024-11-08 16:40:21,034 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 180 predicate places. [2024-11-08 16:40:21,034 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 526 transitions, 6298 flow [2024-11-08 16:40:21,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:21,035 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:21,035 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:21,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:40:21,036 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:21,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:21,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2052595877, now seen corresponding path program 8 times [2024-11-08 16:40:21,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:21,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226434565] [2024-11-08 16:40:21,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:21,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:22,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:22,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226434565] [2024-11-08 16:40:22,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226434565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:22,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:22,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:22,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672402100] [2024-11-08 16:40:22,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:22,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:22,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:22,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:22,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:24,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-08 16:40:24,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 526 transitions, 6298 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:24,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:24,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-08 16:40:24,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:25,985 INFO L124 PetriNetUnfolderBase]: 864/2719 cut-off events. [2024-11-08 16:40:25,985 INFO L125 PetriNetUnfolderBase]: For 22787/22937 co-relation queries the response was YES. [2024-11-08 16:40:25,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14236 conditions, 2719 events. 864/2719 cut-off events. For 22787/22937 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20309 event pairs, 110 based on Foata normal form. 64/2754 useless extension candidates. Maximal degree in co-relation 14081. Up to 702 conditions per place. [2024-11-08 16:40:26,009 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 384 selfloop transitions, 142 changer transitions 26/705 dead transitions. [2024-11-08 16:40:26,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 705 transitions, 9198 flow [2024-11-08 16:40:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:40:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:40:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1543 transitions. [2024-11-08 16:40:26,013 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8658810325476992 [2024-11-08 16:40:26,013 INFO L175 Difference]: Start difference. First operand has 341 places, 526 transitions, 6298 flow. Second operand 11 states and 1543 transitions. [2024-11-08 16:40:26,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 705 transitions, 9198 flow [2024-11-08 16:40:26,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 705 transitions, 8982 flow, removed 72 selfloop flow, removed 3 redundant places. [2024-11-08 16:40:26,214 INFO L231 Difference]: Finished difference. Result has 354 places, 540 transitions, 6784 flow [2024-11-08 16:40:26,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=6100, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6784, PETRI_PLACES=354, PETRI_TRANSITIONS=540} [2024-11-08 16:40:26,215 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 193 predicate places. [2024-11-08 16:40:26,215 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 540 transitions, 6784 flow [2024-11-08 16:40:26,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:26,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:26,217 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:26,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:40:26,218 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:26,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:26,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1989944099, now seen corresponding path program 9 times [2024-11-08 16:40:26,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:26,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116008881] [2024-11-08 16:40:26,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:26,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:27,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:27,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116008881] [2024-11-08 16:40:27,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116008881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:27,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:27,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:27,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353978560] [2024-11-08 16:40:27,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:27,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:27,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:27,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:27,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:28,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:28,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 540 transitions, 6784 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:28,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:28,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:28,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:29,549 INFO L124 PetriNetUnfolderBase]: 806/2643 cut-off events. [2024-11-08 16:40:29,549 INFO L125 PetriNetUnfolderBase]: For 26227/26357 co-relation queries the response was YES. [2024-11-08 16:40:29,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14303 conditions, 2643 events. 806/2643 cut-off events. For 26227/26357 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20038 event pairs, 89 based on Foata normal form. 52/2659 useless extension candidates. Maximal degree in co-relation 14144. Up to 1090 conditions per place. [2024-11-08 16:40:29,573 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 267 selfloop transitions, 171 changer transitions 12/608 dead transitions. [2024-11-08 16:40:29,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 608 transitions, 8684 flow [2024-11-08 16:40:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:40:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:40:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1376 transitions. [2024-11-08 16:40:29,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493827160493828 [2024-11-08 16:40:29,576 INFO L175 Difference]: Start difference. First operand has 354 places, 540 transitions, 6784 flow. Second operand 10 states and 1376 transitions. [2024-11-08 16:40:29,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 608 transitions, 8684 flow [2024-11-08 16:40:29,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 608 transitions, 8337 flow, removed 33 selfloop flow, removed 5 redundant places. [2024-11-08 16:40:29,828 INFO L231 Difference]: Finished difference. Result has 364 places, 562 transitions, 7401 flow [2024-11-08 16:40:29,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=6470, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7401, PETRI_PLACES=364, PETRI_TRANSITIONS=562} [2024-11-08 16:40:29,830 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 203 predicate places. [2024-11-08 16:40:29,830 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 562 transitions, 7401 flow [2024-11-08 16:40:29,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:29,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:29,831 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:29,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:40:29,831 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:29,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1131407266, now seen corresponding path program 1 times [2024-11-08 16:40:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:29,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684226744] [2024-11-08 16:40:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:30,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:31,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684226744] [2024-11-08 16:40:31,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684226744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:31,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:31,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:31,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542043744] [2024-11-08 16:40:31,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:31,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:31,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:31,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:31,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:32,562 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:40:32,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 562 transitions, 7401 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:32,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:32,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:40:32,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:33,750 INFO L124 PetriNetUnfolderBase]: 664/2383 cut-off events. [2024-11-08 16:40:33,750 INFO L125 PetriNetUnfolderBase]: For 26802/26924 co-relation queries the response was YES. [2024-11-08 16:40:33,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13042 conditions, 2383 events. 664/2383 cut-off events. For 26802/26924 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 18201 event pairs, 20 based on Foata normal form. 39/2409 useless extension candidates. Maximal degree in co-relation 12868. Up to 504 conditions per place. [2024-11-08 16:40:33,772 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 346 selfloop transitions, 136 changer transitions 26/712 dead transitions. [2024-11-08 16:40:33,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 712 transitions, 10029 flow [2024-11-08 16:40:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:40:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-08 16:40:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2264 transitions. [2024-11-08 16:40:33,777 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8734567901234568 [2024-11-08 16:40:33,777 INFO L175 Difference]: Start difference. First operand has 364 places, 562 transitions, 7401 flow. Second operand 16 states and 2264 transitions. [2024-11-08 16:40:33,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 712 transitions, 10029 flow [2024-11-08 16:40:34,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 712 transitions, 9886 flow, removed 65 selfloop flow, removed 1 redundant places. [2024-11-08 16:40:34,045 INFO L231 Difference]: Finished difference. Result has 387 places, 608 transitions, 8372 flow [2024-11-08 16:40:34,045 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=7264, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8372, PETRI_PLACES=387, PETRI_TRANSITIONS=608} [2024-11-08 16:40:34,046 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 226 predicate places. [2024-11-08 16:40:34,046 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 608 transitions, 8372 flow [2024-11-08 16:40:34,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:34,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:34,047 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:34,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:40:34,047 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:34,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:34,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2047392105, now seen corresponding path program 10 times [2024-11-08 16:40:34,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:34,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671957245] [2024-11-08 16:40:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:35,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:35,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671957245] [2024-11-08 16:40:35,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671957245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:35,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:35,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:35,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103958824] [2024-11-08 16:40:35,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:35,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:35,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:35,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:35,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:36,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:36,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 608 transitions, 8372 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:36,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:36,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:36,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:38,071 INFO L124 PetriNetUnfolderBase]: 798/2639 cut-off events. [2024-11-08 16:40:38,071 INFO L125 PetriNetUnfolderBase]: For 30489/30635 co-relation queries the response was YES. [2024-11-08 16:40:38,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15275 conditions, 2639 events. 798/2639 cut-off events. For 30489/30635 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20041 event pairs, 47 based on Foata normal form. 66/2669 useless extension candidates. Maximal degree in co-relation 15081. Up to 621 conditions per place. [2024-11-08 16:40:38,090 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 407 selfloop transitions, 147 changer transitions 9/725 dead transitions. [2024-11-08 16:40:38,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 725 transitions, 10785 flow [2024-11-08 16:40:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:40:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:40:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1539 transitions. [2024-11-08 16:40:38,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2024-11-08 16:40:38,093 INFO L175 Difference]: Start difference. First operand has 387 places, 608 transitions, 8372 flow. Second operand 11 states and 1539 transitions. [2024-11-08 16:40:38,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 725 transitions, 10785 flow [2024-11-08 16:40:38,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 725 transitions, 10708 flow, removed 16 selfloop flow, removed 5 redundant places. [2024-11-08 16:40:38,298 INFO L231 Difference]: Finished difference. Result has 391 places, 617 transitions, 8862 flow [2024-11-08 16:40:38,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=8304, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8862, PETRI_PLACES=391, PETRI_TRANSITIONS=617} [2024-11-08 16:40:38,299 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 230 predicate places. [2024-11-08 16:40:38,300 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 617 transitions, 8862 flow [2024-11-08 16:40:38,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:38,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:38,300 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:38,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:40:38,301 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:38,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:38,301 INFO L85 PathProgramCache]: Analyzing trace with hash -358154693, now seen corresponding path program 11 times [2024-11-08 16:40:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067245091] [2024-11-08 16:40:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:38,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:39,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:39,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067245091] [2024-11-08 16:40:39,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067245091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:39,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:39,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:39,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675128636] [2024-11-08 16:40:39,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:39,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:39,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:39,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:39,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:41,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:41,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 617 transitions, 8862 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:41,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:41,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:41,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:42,708 INFO L124 PetriNetUnfolderBase]: 797/2642 cut-off events. [2024-11-08 16:40:42,708 INFO L125 PetriNetUnfolderBase]: For 33137/33281 co-relation queries the response was YES. [2024-11-08 16:40:42,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15660 conditions, 2642 events. 797/2642 cut-off events. For 33137/33281 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 20048 event pairs, 47 based on Foata normal form. 64/2671 useless extension candidates. Maximal degree in co-relation 15465. Up to 621 conditions per place. [2024-11-08 16:40:42,751 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 416 selfloop transitions, 143 changer transitions 9/730 dead transitions. [2024-11-08 16:40:42,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 730 transitions, 11211 flow [2024-11-08 16:40:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:40:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:40:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1534 transitions. [2024-11-08 16:40:42,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8608305274971941 [2024-11-08 16:40:42,755 INFO L175 Difference]: Start difference. First operand has 391 places, 617 transitions, 8862 flow. Second operand 11 states and 1534 transitions. [2024-11-08 16:40:42,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 730 transitions, 11211 flow [2024-11-08 16:40:43,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 730 transitions, 10978 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-08 16:40:43,123 INFO L231 Difference]: Finished difference. Result has 399 places, 622 transitions, 9134 flow [2024-11-08 16:40:43,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=8632, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=617, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9134, PETRI_PLACES=399, PETRI_TRANSITIONS=622} [2024-11-08 16:40:43,124 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 238 predicate places. [2024-11-08 16:40:43,125 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 622 transitions, 9134 flow [2024-11-08 16:40:43,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:43,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:43,126 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:43,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:40:43,126 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:43,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash -64167895, now seen corresponding path program 12 times [2024-11-08 16:40:43,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:43,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493381129] [2024-11-08 16:40:43,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:44,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:44,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493381129] [2024-11-08 16:40:44,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493381129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:44,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:44,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:44,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072944657] [2024-11-08 16:40:44,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:44,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:44,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:46,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:46,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 622 transitions, 9134 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:46,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:46,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:46,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:47,889 INFO L124 PetriNetUnfolderBase]: 799/2672 cut-off events. [2024-11-08 16:40:47,889 INFO L125 PetriNetUnfolderBase]: For 35439/35595 co-relation queries the response was YES. [2024-11-08 16:40:47,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16010 conditions, 2672 events. 799/2672 cut-off events. For 35439/35595 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 20448 event pairs, 118 based on Foata normal form. 70/2708 useless extension candidates. Maximal degree in co-relation 15811. Up to 1105 conditions per place. [2024-11-08 16:40:47,915 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 299 selfloop transitions, 203 changer transitions 9/673 dead transitions. [2024-11-08 16:40:47,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 673 transitions, 10966 flow [2024-11-08 16:40:47,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:40:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-08 16:40:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1773 transitions. [2024-11-08 16:40:47,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418803418803419 [2024-11-08 16:40:47,918 INFO L175 Difference]: Start difference. First operand has 399 places, 622 transitions, 9134 flow. Second operand 13 states and 1773 transitions. [2024-11-08 16:40:47,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 673 transitions, 10966 flow [2024-11-08 16:40:48,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 673 transitions, 10745 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-11-08 16:40:48,189 INFO L231 Difference]: Finished difference. Result has 411 places, 639 transitions, 9756 flow [2024-11-08 16:40:48,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=8916, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=9756, PETRI_PLACES=411, PETRI_TRANSITIONS=639} [2024-11-08 16:40:48,190 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 250 predicate places. [2024-11-08 16:40:48,190 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 639 transitions, 9756 flow [2024-11-08 16:40:48,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:48,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:48,191 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:48,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:40:48,192 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:48,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1818894189, now seen corresponding path program 13 times [2024-11-08 16:40:48,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:48,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878194505] [2024-11-08 16:40:48,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:48,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:49,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:49,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878194505] [2024-11-08 16:40:49,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878194505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:49,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:49,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:49,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863271198] [2024-11-08 16:40:49,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:49,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:49,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:49,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:49,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:50,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-08 16:40:50,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 639 transitions, 9756 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:50,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:50,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-08 16:40:50,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:52,369 INFO L124 PetriNetUnfolderBase]: 864/2776 cut-off events. [2024-11-08 16:40:52,369 INFO L125 PetriNetUnfolderBase]: For 39121/39273 co-relation queries the response was YES. [2024-11-08 16:40:52,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16961 conditions, 2776 events. 864/2776 cut-off events. For 39121/39273 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21075 event pairs, 110 based on Foata normal form. 64/2804 useless extension candidates. Maximal degree in co-relation 16751. Up to 1249 conditions per place. [2024-11-08 16:40:52,415 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 299 selfloop transitions, 219 changer transitions 19/690 dead transitions. [2024-11-08 16:40:52,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 690 transitions, 11520 flow [2024-11-08 16:40:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:40:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-08 16:40:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1879 transitions. [2024-11-08 16:40:52,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8284832451499118 [2024-11-08 16:40:52,419 INFO L175 Difference]: Start difference. First operand has 411 places, 639 transitions, 9756 flow. Second operand 14 states and 1879 transitions. [2024-11-08 16:40:52,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 690 transitions, 11520 flow [2024-11-08 16:40:52,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 690 transitions, 11004 flow, removed 74 selfloop flow, removed 5 redundant places. [2024-11-08 16:40:52,790 INFO L231 Difference]: Finished difference. Result has 423 places, 646 transitions, 9902 flow [2024-11-08 16:40:52,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9254, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9902, PETRI_PLACES=423, PETRI_TRANSITIONS=646} [2024-11-08 16:40:52,792 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 262 predicate places. [2024-11-08 16:40:52,792 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 646 transitions, 9902 flow [2024-11-08 16:40:52,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:52,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:52,793 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:52,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:40:52,794 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:52,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:52,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1294600453, now seen corresponding path program 14 times [2024-11-08 16:40:52,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:52,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625108241] [2024-11-08 16:40:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:52,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:53,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:53,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625108241] [2024-11-08 16:40:53,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625108241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:53,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:53,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:53,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116891866] [2024-11-08 16:40:53,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:53,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:53,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:53,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:55,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:55,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 646 transitions, 9902 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:55,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:55,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:55,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:40:57,154 INFO L124 PetriNetUnfolderBase]: 806/2677 cut-off events. [2024-11-08 16:40:57,154 INFO L125 PetriNetUnfolderBase]: For 38555/38707 co-relation queries the response was YES. [2024-11-08 16:40:57,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16408 conditions, 2677 events. 806/2677 cut-off events. For 38555/38707 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 20458 event pairs, 85 based on Foata normal form. 69/2709 useless extension candidates. Maximal degree in co-relation 16192. Up to 1131 conditions per place. [2024-11-08 16:40:57,276 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 313 selfloop transitions, 203 changer transitions 9/687 dead transitions. [2024-11-08 16:40:57,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 687 transitions, 11486 flow [2024-11-08 16:40:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:40:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:40:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1381 transitions. [2024-11-08 16:40:57,279 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8524691358024692 [2024-11-08 16:40:57,279 INFO L175 Difference]: Start difference. First operand has 423 places, 646 transitions, 9902 flow. Second operand 10 states and 1381 transitions. [2024-11-08 16:40:57,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 687 transitions, 11486 flow [2024-11-08 16:40:57,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 687 transitions, 11018 flow, removed 46 selfloop flow, removed 7 redundant places. [2024-11-08 16:40:57,540 INFO L231 Difference]: Finished difference. Result has 429 places, 654 transitions, 10048 flow [2024-11-08 16:40:57,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9445, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=646, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10048, PETRI_PLACES=429, PETRI_TRANSITIONS=654} [2024-11-08 16:40:57,541 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 268 predicate places. [2024-11-08 16:40:57,541 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 654 transitions, 10048 flow [2024-11-08 16:40:57,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:57,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:40:57,543 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:40:57,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:40:57,543 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:40:57,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:40:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash 441582633, now seen corresponding path program 15 times [2024-11-08 16:40:57,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:40:57,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558776953] [2024-11-08 16:40:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:40:58,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:58,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558776953] [2024-11-08 16:40:58,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558776953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:40:58,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:40:58,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:40:58,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762616510] [2024-11-08 16:40:58,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:40:58,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:40:58,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:58,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:40:58,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:40:59,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:40:59,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 654 transitions, 10048 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:40:59,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:40:59,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:40:59,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:01,768 INFO L124 PetriNetUnfolderBase]: 802/2688 cut-off events. [2024-11-08 16:41:01,768 INFO L125 PetriNetUnfolderBase]: For 39464/39624 co-relation queries the response was YES. [2024-11-08 16:41:01,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16482 conditions, 2688 events. 802/2688 cut-off events. For 39464/39624 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 20636 event pairs, 117 based on Foata normal form. 92/2747 useless extension candidates. Maximal degree in co-relation 16259. Up to 1131 conditions per place. [2024-11-08 16:41:01,794 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 306 selfloop transitions, 212 changer transitions 9/689 dead transitions. [2024-11-08 16:41:01,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 689 transitions, 11581 flow [2024-11-08 16:41:01,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:41:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-08 16:41:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1775 transitions. [2024-11-08 16:41:01,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8428300094966762 [2024-11-08 16:41:01,797 INFO L175 Difference]: Start difference. First operand has 429 places, 654 transitions, 10048 flow. Second operand 13 states and 1775 transitions. [2024-11-08 16:41:01,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 689 transitions, 11581 flow [2024-11-08 16:41:02,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 689 transitions, 11208 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-08 16:41:02,046 INFO L231 Difference]: Finished difference. Result has 439 places, 660 transitions, 10294 flow [2024-11-08 16:41:02,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9679, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10294, PETRI_PLACES=439, PETRI_TRANSITIONS=660} [2024-11-08 16:41:02,047 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 278 predicate places. [2024-11-08 16:41:02,047 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 660 transitions, 10294 flow [2024-11-08 16:41:02,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:02,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:02,048 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:02,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:41:02,048 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:02,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash 706231199, now seen corresponding path program 16 times [2024-11-08 16:41:02,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:02,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746673849] [2024-11-08 16:41:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:03,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:03,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746673849] [2024-11-08 16:41:03,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746673849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:03,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:03,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:03,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85697861] [2024-11-08 16:41:03,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:03,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:03,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:03,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:03,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:04,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:41:04,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 660 transitions, 10294 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:04,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:04,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:41:04,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:05,789 INFO L124 PetriNetUnfolderBase]: 803/2672 cut-off events. [2024-11-08 16:41:05,789 INFO L125 PetriNetUnfolderBase]: For 40014/40168 co-relation queries the response was YES. [2024-11-08 16:41:05,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16499 conditions, 2672 events. 803/2672 cut-off events. For 40014/40168 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 20449 event pairs, 83 based on Foata normal form. 86/2722 useless extension candidates. Maximal degree in co-relation 16270. Up to 1140 conditions per place. [2024-11-08 16:41:05,812 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 296 selfloop transitions, 226 changer transitions 9/693 dead transitions. [2024-11-08 16:41:05,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 693 transitions, 11724 flow [2024-11-08 16:41:05,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:41:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:41:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1517 transitions. [2024-11-08 16:41:05,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512906846240179 [2024-11-08 16:41:05,814 INFO L175 Difference]: Start difference. First operand has 439 places, 660 transitions, 10294 flow. Second operand 11 states and 1517 transitions. [2024-11-08 16:41:05,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 693 transitions, 11724 flow [2024-11-08 16:41:06,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 693 transitions, 11318 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-08 16:41:06,074 INFO L231 Difference]: Finished difference. Result has 443 places, 662 transitions, 10397 flow [2024-11-08 16:41:06,075 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9890, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10397, PETRI_PLACES=443, PETRI_TRANSITIONS=662} [2024-11-08 16:41:06,075 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 282 predicate places. [2024-11-08 16:41:06,076 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 662 transitions, 10397 flow [2024-11-08 16:41:06,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:06,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:06,076 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:06,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:41:06,076 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:06,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:06,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1706269809, now seen corresponding path program 17 times [2024-11-08 16:41:06,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:06,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480355809] [2024-11-08 16:41:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:06,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:07,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:07,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480355809] [2024-11-08 16:41:07,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480355809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:07,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:07,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495648195] [2024-11-08 16:41:07,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:07,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:07,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:07,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:07,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:08,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:41:08,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 662 transitions, 10397 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:08,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:08,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:41:08,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:10,078 INFO L124 PetriNetUnfolderBase]: 799/2687 cut-off events. [2024-11-08 16:41:10,078 INFO L125 PetriNetUnfolderBase]: For 40116/40278 co-relation queries the response was YES. [2024-11-08 16:41:10,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16576 conditions, 2687 events. 799/2687 cut-off events. For 40116/40278 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 20671 event pairs, 117 based on Foata normal form. 75/2729 useless extension candidates. Maximal degree in co-relation 16344. Up to 1109 conditions per place. [2024-11-08 16:41:10,109 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 301 selfloop transitions, 223 changer transitions 9/695 dead transitions. [2024-11-08 16:41:10,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 695 transitions, 11907 flow [2024-11-08 16:41:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:41:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-08 16:41:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1897 transitions. [2024-11-08 16:41:10,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8364197530864198 [2024-11-08 16:41:10,112 INFO L175 Difference]: Start difference. First operand has 443 places, 662 transitions, 10397 flow. Second operand 14 states and 1897 transitions. [2024-11-08 16:41:10,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 695 transitions, 11907 flow [2024-11-08 16:41:10,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 695 transitions, 11450 flow, removed 6 selfloop flow, removed 7 redundant places. [2024-11-08 16:41:10,497 INFO L231 Difference]: Finished difference. Result has 452 places, 668 transitions, 10587 flow [2024-11-08 16:41:10,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9952, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10587, PETRI_PLACES=452, PETRI_TRANSITIONS=668} [2024-11-08 16:41:10,498 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 291 predicate places. [2024-11-08 16:41:10,499 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 668 transitions, 10587 flow [2024-11-08 16:41:10,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:10,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:10,499 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:10,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 16:41:10,500 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:10,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1848862864, now seen corresponding path program 1 times [2024-11-08 16:41:10,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:10,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972751815] [2024-11-08 16:41:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:10,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972751815] [2024-11-08 16:41:12,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972751815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:12,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:12,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:12,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834005252] [2024-11-08 16:41:12,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:12,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:12,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:12,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:12,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:14,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:14,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 668 transitions, 10587 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:14,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:14,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:14,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:16,393 INFO L124 PetriNetUnfolderBase]: 753/2685 cut-off events. [2024-11-08 16:41:16,394 INFO L125 PetriNetUnfolderBase]: For 41922/42075 co-relation queries the response was YES. [2024-11-08 16:41:16,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16073 conditions, 2685 events. 753/2685 cut-off events. For 41922/42075 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 21146 event pairs, 38 based on Foata normal form. 64/2734 useless extension candidates. Maximal degree in co-relation 15842. Up to 577 conditions per place. [2024-11-08 16:41:16,421 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 404 selfloop transitions, 106 changer transitions 11/850 dead transitions. [2024-11-08 16:41:16,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 850 transitions, 13723 flow [2024-11-08 16:41:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:41:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 16:41:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1719 transitions. [2024-11-08 16:41:16,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8842592592592593 [2024-11-08 16:41:16,423 INFO L175 Difference]: Start difference. First operand has 452 places, 668 transitions, 10587 flow. Second operand 12 states and 1719 transitions. [2024-11-08 16:41:16,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 850 transitions, 13723 flow [2024-11-08 16:41:16,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 850 transitions, 13272 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-11-08 16:41:16,704 INFO L231 Difference]: Finished difference. Result has 463 places, 734 transitions, 11539 flow [2024-11-08 16:41:16,705 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=10184, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11539, PETRI_PLACES=463, PETRI_TRANSITIONS=734} [2024-11-08 16:41:16,705 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 302 predicate places. [2024-11-08 16:41:16,705 INFO L471 AbstractCegarLoop]: Abstraction has has 463 places, 734 transitions, 11539 flow [2024-11-08 16:41:16,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:16,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:16,706 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:16,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:41:16,707 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:16,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:16,707 INFO L85 PathProgramCache]: Analyzing trace with hash 473485722, now seen corresponding path program 2 times [2024-11-08 16:41:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:16,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538296028] [2024-11-08 16:41:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:18,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538296028] [2024-11-08 16:41:18,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538296028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:18,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:18,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:18,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246138397] [2024-11-08 16:41:18,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:18,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:18,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:18,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:18,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:19,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:19,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 734 transitions, 11539 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:19,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:19,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:19,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:21,009 INFO L124 PetriNetUnfolderBase]: 774/2702 cut-off events. [2024-11-08 16:41:21,009 INFO L125 PetriNetUnfolderBase]: For 48293/48632 co-relation queries the response was YES. [2024-11-08 16:41:21,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16783 conditions, 2702 events. 774/2702 cut-off events. For 48293/48632 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 21358 event pairs, 34 based on Foata normal form. 98/2788 useless extension candidates. Maximal degree in co-relation 16548. Up to 939 conditions per place. [2024-11-08 16:41:21,039 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 333 selfloop transitions, 133 changer transitions 16/811 dead transitions. [2024-11-08 16:41:21,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 811 transitions, 14110 flow [2024-11-08 16:41:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:41:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:41:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1424 transitions. [2024-11-08 16:41:21,041 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8790123456790123 [2024-11-08 16:41:21,041 INFO L175 Difference]: Start difference. First operand has 463 places, 734 transitions, 11539 flow. Second operand 10 states and 1424 transitions. [2024-11-08 16:41:21,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 811 transitions, 14110 flow [2024-11-08 16:41:21,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 811 transitions, 13892 flow, removed 18 selfloop flow, removed 2 redundant places. [2024-11-08 16:41:21,363 INFO L231 Difference]: Finished difference. Result has 473 places, 766 transitions, 12808 flow [2024-11-08 16:41:21,363 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=11373, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12808, PETRI_PLACES=473, PETRI_TRANSITIONS=766} [2024-11-08 16:41:21,364 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 312 predicate places. [2024-11-08 16:41:21,364 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 766 transitions, 12808 flow [2024-11-08 16:41:21,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:21,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:21,365 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:21,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 16:41:21,366 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:21,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:21,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1086109082, now seen corresponding path program 3 times [2024-11-08 16:41:21,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:21,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724727785] [2024-11-08 16:41:21,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:21,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:23,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:23,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724727785] [2024-11-08 16:41:23,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724727785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:23,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:23,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:23,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298183508] [2024-11-08 16:41:23,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:23,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:23,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:23,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:23,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:25,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:25,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 766 transitions, 12808 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:25,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:25,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:25,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:27,151 INFO L124 PetriNetUnfolderBase]: 854/2942 cut-off events. [2024-11-08 16:41:27,151 INFO L125 PetriNetUnfolderBase]: For 62361/62792 co-relation queries the response was YES. [2024-11-08 16:41:27,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18738 conditions, 2942 events. 854/2942 cut-off events. For 62361/62792 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 23721 event pairs, 38 based on Foata normal form. 127/3055 useless extension candidates. Maximal degree in co-relation 18500. Up to 976 conditions per place. [2024-11-08 16:41:27,177 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 369 selfloop transitions, 173 changer transitions 4/875 dead transitions. [2024-11-08 16:41:27,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 875 transitions, 15887 flow [2024-11-08 16:41:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:41:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:41:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1565 transitions. [2024-11-08 16:41:27,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.878226711560045 [2024-11-08 16:41:27,180 INFO L175 Difference]: Start difference. First operand has 473 places, 766 transitions, 12808 flow. Second operand 11 states and 1565 transitions. [2024-11-08 16:41:27,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 875 transitions, 15887 flow [2024-11-08 16:41:27,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 875 transitions, 15792 flow, removed 12 selfloop flow, removed 4 redundant places. [2024-11-08 16:41:27,513 INFO L231 Difference]: Finished difference. Result has 486 places, 822 transitions, 14800 flow [2024-11-08 16:41:27,514 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=12727, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=14800, PETRI_PLACES=486, PETRI_TRANSITIONS=822} [2024-11-08 16:41:27,515 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 325 predicate places. [2024-11-08 16:41:27,515 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 822 transitions, 14800 flow [2024-11-08 16:41:27,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:27,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:27,516 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:27,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:41:27,516 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:27,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:27,516 INFO L85 PathProgramCache]: Analyzing trace with hash -173130430, now seen corresponding path program 4 times [2024-11-08 16:41:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:27,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771475416] [2024-11-08 16:41:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:29,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:29,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771475416] [2024-11-08 16:41:29,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771475416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:29,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:29,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:29,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598929449] [2024-11-08 16:41:29,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:29,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:29,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:29,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:31,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:31,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 822 transitions, 14800 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:31,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:31,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:31,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:33,278 INFO L124 PetriNetUnfolderBase]: 914/3168 cut-off events. [2024-11-08 16:41:33,278 INFO L125 PetriNetUnfolderBase]: For 82434/83005 co-relation queries the response was YES. [2024-11-08 16:41:33,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21001 conditions, 3168 events. 914/3168 cut-off events. For 82434/83005 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 26227 event pairs, 39 based on Foata normal form. 165/3316 useless extension candidates. Maximal degree in co-relation 20755. Up to 946 conditions per place. [2024-11-08 16:41:33,318 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 410 selfloop transitions, 205 changer transitions 5/949 dead transitions. [2024-11-08 16:41:33,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 949 transitions, 18426 flow [2024-11-08 16:41:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:41:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:41:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1567 transitions. [2024-11-08 16:41:33,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8793490460157127 [2024-11-08 16:41:33,321 INFO L175 Difference]: Start difference. First operand has 486 places, 822 transitions, 14800 flow. Second operand 11 states and 1567 transitions. [2024-11-08 16:41:33,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 949 transitions, 18426 flow [2024-11-08 16:41:33,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 949 transitions, 18285 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-11-08 16:41:33,815 INFO L231 Difference]: Finished difference. Result has 502 places, 883 transitions, 17121 flow [2024-11-08 16:41:33,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=14671, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17121, PETRI_PLACES=502, PETRI_TRANSITIONS=883} [2024-11-08 16:41:33,816 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 341 predicate places. [2024-11-08 16:41:33,817 INFO L471 AbstractCegarLoop]: Abstraction has has 502 places, 883 transitions, 17121 flow [2024-11-08 16:41:33,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:33,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:33,818 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:33,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 16:41:33,818 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:33,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:33,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1549841822, now seen corresponding path program 5 times [2024-11-08 16:41:33,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:33,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450378230] [2024-11-08 16:41:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:35,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:35,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450378230] [2024-11-08 16:41:35,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450378230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:35,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:35,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:35,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470663061] [2024-11-08 16:41:35,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:35,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:35,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:35,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:35,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:37,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:37,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 883 transitions, 17121 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:37,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:37,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:37,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:39,843 INFO L124 PetriNetUnfolderBase]: 1006/3431 cut-off events. [2024-11-08 16:41:39,843 INFO L125 PetriNetUnfolderBase]: For 119426/120255 co-relation queries the response was YES. [2024-11-08 16:41:39,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24153 conditions, 3431 events. 1006/3431 cut-off events. For 119426/120255 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 28978 event pairs, 42 based on Foata normal form. 321/3731 useless extension candidates. Maximal degree in co-relation 23899. Up to 1219 conditions per place. [2024-11-08 16:41:39,917 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 412 selfloop transitions, 262 changer transitions 9/1012 dead transitions. [2024-11-08 16:41:39,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 1012 transitions, 21869 flow [2024-11-08 16:41:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:41:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-08 16:41:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2114 transitions. [2024-11-08 16:41:39,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8699588477366255 [2024-11-08 16:41:39,920 INFO L175 Difference]: Start difference. First operand has 502 places, 883 transitions, 17121 flow. Second operand 15 states and 2114 transitions. [2024-11-08 16:41:39,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 1012 transitions, 21869 flow [2024-11-08 16:41:40,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1012 transitions, 21715 flow, removed 71 selfloop flow, removed 1 redundant places. [2024-11-08 16:41:40,637 INFO L231 Difference]: Finished difference. Result has 519 places, 955 transitions, 20209 flow [2024-11-08 16:41:40,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=17019, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=20209, PETRI_PLACES=519, PETRI_TRANSITIONS=955} [2024-11-08 16:41:40,639 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 358 predicate places. [2024-11-08 16:41:40,639 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 955 transitions, 20209 flow [2024-11-08 16:41:40,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:40,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:40,640 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:40,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:41:40,640 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:40,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash 869336096, now seen corresponding path program 6 times [2024-11-08 16:41:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:40,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899292707] [2024-11-08 16:41:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:42,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:42,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899292707] [2024-11-08 16:41:42,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899292707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:42,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:42,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58933046] [2024-11-08 16:41:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:42,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:42,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:42,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:44,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:44,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 955 transitions, 20209 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:44,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:44,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:44,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:46,616 INFO L124 PetriNetUnfolderBase]: 1057/3624 cut-off events. [2024-11-08 16:41:46,616 INFO L125 PetriNetUnfolderBase]: For 141500/142403 co-relation queries the response was YES. [2024-11-08 16:41:46,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26365 conditions, 3624 events. 1057/3624 cut-off events. For 141500/142403 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 31116 event pairs, 42 based on Foata normal form. 340/3935 useless extension candidates. Maximal degree in co-relation 26107. Up to 1060 conditions per place. [2024-11-08 16:41:46,661 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 426 selfloop transitions, 323 changer transitions 13/1091 dead transitions. [2024-11-08 16:41:46,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1091 transitions, 24588 flow [2024-11-08 16:41:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:41:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-08 16:41:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1858 transitions. [2024-11-08 16:41:46,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8822412155745489 [2024-11-08 16:41:46,663 INFO L175 Difference]: Start difference. First operand has 519 places, 955 transitions, 20209 flow. Second operand 13 states and 1858 transitions. [2024-11-08 16:41:46,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1091 transitions, 24588 flow [2024-11-08 16:41:47,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1091 transitions, 24396 flow, removed 60 selfloop flow, removed 3 redundant places. [2024-11-08 16:41:47,488 INFO L231 Difference]: Finished difference. Result has 536 places, 1009 transitions, 22788 flow [2024-11-08 16:41:47,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=20035, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22788, PETRI_PLACES=536, PETRI_TRANSITIONS=1009} [2024-11-08 16:41:47,489 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 375 predicate places. [2024-11-08 16:41:47,490 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 1009 transitions, 22788 flow [2024-11-08 16:41:47,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:47,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:47,491 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:47,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 16:41:47,491 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:47,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:47,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1586599124, now seen corresponding path program 7 times [2024-11-08 16:41:47,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:47,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897979024] [2024-11-08 16:41:47,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:47,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:49,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:49,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897979024] [2024-11-08 16:41:49,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897979024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:49,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:49,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:49,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123492621] [2024-11-08 16:41:49,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:49,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:49,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:49,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:49,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:51,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:51,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 1009 transitions, 22788 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:51,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:51,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:51,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:41:53,279 INFO L124 PetriNetUnfolderBase]: 1041/3562 cut-off events. [2024-11-08 16:41:53,279 INFO L125 PetriNetUnfolderBase]: For 152915/153927 co-relation queries the response was YES. [2024-11-08 16:41:53,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26937 conditions, 3562 events. 1041/3562 cut-off events. For 152915/153927 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 30558 event pairs, 37 based on Foata normal form. 370/3906 useless extension candidates. Maximal degree in co-relation 26671. Up to 1291 conditions per place. [2024-11-08 16:41:53,332 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 433 selfloop transitions, 281 changer transitions 9/1052 dead transitions. [2024-11-08 16:41:53,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 1052 transitions, 24874 flow [2024-11-08 16:41:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:41:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:41:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1561 transitions. [2024-11-08 16:41:53,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8759820426487093 [2024-11-08 16:41:53,335 INFO L175 Difference]: Start difference. First operand has 536 places, 1009 transitions, 22788 flow. Second operand 11 states and 1561 transitions. [2024-11-08 16:41:53,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 1052 transitions, 24874 flow [2024-11-08 16:41:54,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 1052 transitions, 24322 flow, removed 104 selfloop flow, removed 4 redundant places. [2024-11-08 16:41:54,229 INFO L231 Difference]: Finished difference. Result has 545 places, 1008 transitions, 22904 flow [2024-11-08 16:41:54,230 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=22260, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1009, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22904, PETRI_PLACES=545, PETRI_TRANSITIONS=1008} [2024-11-08 16:41:54,230 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 384 predicate places. [2024-11-08 16:41:54,230 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 1008 transitions, 22904 flow [2024-11-08 16:41:54,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:54,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:41:54,231 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:41:54,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 16:41:54,231 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:41:54,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:54,232 INFO L85 PathProgramCache]: Analyzing trace with hash -953454444, now seen corresponding path program 8 times [2024-11-08 16:41:54,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:54,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357803155] [2024-11-08 16:41:54,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:54,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:41:56,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:41:56,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357803155] [2024-11-08 16:41:56,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357803155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:41:56,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:41:56,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:41:56,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421992025] [2024-11-08 16:41:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:41:56,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:41:56,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:41:56,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:41:56,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:41:58,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:41:58,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 1008 transitions, 22904 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:58,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:41:58,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:41:58,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:01,528 INFO L124 PetriNetUnfolderBase]: 1074/3699 cut-off events. [2024-11-08 16:42:01,528 INFO L125 PetriNetUnfolderBase]: For 173676/174712 co-relation queries the response was YES. [2024-11-08 16:42:01,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28362 conditions, 3699 events. 1074/3699 cut-off events. For 173676/174712 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 32206 event pairs, 39 based on Foata normal form. 404/4075 useless extension candidates. Maximal degree in co-relation 28093. Up to 1248 conditions per place. [2024-11-08 16:42:01,593 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 430 selfloop transitions, 341 changer transitions 9/1109 dead transitions. [2024-11-08 16:42:01,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 1109 transitions, 26837 flow [2024-11-08 16:42:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:42:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-08 16:42:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1988 transitions. [2024-11-08 16:42:01,596 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8765432098765432 [2024-11-08 16:42:01,596 INFO L175 Difference]: Start difference. First operand has 545 places, 1008 transitions, 22904 flow. Second operand 14 states and 1988 transitions. [2024-11-08 16:42:01,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 1109 transitions, 26837 flow [2024-11-08 16:42:02,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 1109 transitions, 26072 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-11-08 16:42:02,455 INFO L231 Difference]: Finished difference. Result has 558 places, 1052 transitions, 24745 flow [2024-11-08 16:42:02,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=22215, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=297, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24745, PETRI_PLACES=558, PETRI_TRANSITIONS=1052} [2024-11-08 16:42:02,456 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 397 predicate places. [2024-11-08 16:42:02,456 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 1052 transitions, 24745 flow [2024-11-08 16:42:02,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:02,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:02,456 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:02,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:42:02,457 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:02,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:02,457 INFO L85 PathProgramCache]: Analyzing trace with hash 215769392, now seen corresponding path program 9 times [2024-11-08 16:42:02,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:02,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587120413] [2024-11-08 16:42:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:02,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:04,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:04,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587120413] [2024-11-08 16:42:04,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587120413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:04,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:04,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:04,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533965958] [2024-11-08 16:42:04,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:04,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:04,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:04,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:04,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:05,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:05,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 1052 transitions, 24745 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:05,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:05,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:05,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:08,175 INFO L124 PetriNetUnfolderBase]: 1093/3753 cut-off events. [2024-11-08 16:42:08,175 INFO L125 PetriNetUnfolderBase]: For 182403/183458 co-relation queries the response was YES. [2024-11-08 16:42:08,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29408 conditions, 3753 events. 1093/3753 cut-off events. For 182403/183458 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 32670 event pairs, 35 based on Foata normal form. 435/4154 useless extension candidates. Maximal degree in co-relation 29132. Up to 1277 conditions per place. [2024-11-08 16:42:08,231 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 417 selfloop transitions, 375 changer transitions 9/1130 dead transitions. [2024-11-08 16:42:08,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 1130 transitions, 28169 flow [2024-11-08 16:42:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:42:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-08 16:42:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2119 transitions. [2024-11-08 16:42:08,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8720164609053498 [2024-11-08 16:42:08,234 INFO L175 Difference]: Start difference. First operand has 558 places, 1052 transitions, 24745 flow. Second operand 15 states and 2119 transitions. [2024-11-08 16:42:08,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 1130 transitions, 28169 flow [2024-11-08 16:42:09,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 1130 transitions, 27576 flow, removed 65 selfloop flow, removed 5 redundant places. [2024-11-08 16:42:09,243 INFO L231 Difference]: Finished difference. Result has 571 places, 1076 transitions, 26226 flow [2024-11-08 16:42:09,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=24190, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=349, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=26226, PETRI_PLACES=571, PETRI_TRANSITIONS=1076} [2024-11-08 16:42:09,244 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 410 predicate places. [2024-11-08 16:42:09,245 INFO L471 AbstractCegarLoop]: Abstraction has has 571 places, 1076 transitions, 26226 flow [2024-11-08 16:42:09,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:09,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:09,245 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:09,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:42:09,245 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:09,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:09,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1339029598, now seen corresponding path program 10 times [2024-11-08 16:42:09,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:09,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313183684] [2024-11-08 16:42:09,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:09,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:11,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:11,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313183684] [2024-11-08 16:42:11,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313183684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:11,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:11,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802450109] [2024-11-08 16:42:11,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:11,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:11,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:11,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:11,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:13,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:13,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 1076 transitions, 26226 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:13,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:13,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:13,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:15,828 INFO L124 PetriNetUnfolderBase]: 1112/3797 cut-off events. [2024-11-08 16:42:15,828 INFO L125 PetriNetUnfolderBase]: For 199578/200767 co-relation queries the response was YES. [2024-11-08 16:42:15,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30293 conditions, 3797 events. 1112/3797 cut-off events. For 199578/200767 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 33227 event pairs, 34 based on Foata normal form. 474/4239 useless extension candidates. Maximal degree in co-relation 30013. Up to 1149 conditions per place. [2024-11-08 16:42:15,884 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 398 selfloop transitions, 430 changer transitions 7/1164 dead transitions. [2024-11-08 16:42:15,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 1164 transitions, 29784 flow [2024-11-08 16:42:15,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:42:15,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-08 16:42:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2122 transitions. [2024-11-08 16:42:15,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8732510288065843 [2024-11-08 16:42:15,887 INFO L175 Difference]: Start difference. First operand has 571 places, 1076 transitions, 26226 flow. Second operand 15 states and 2122 transitions. [2024-11-08 16:42:15,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 1164 transitions, 29784 flow [2024-11-08 16:42:16,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 1164 transitions, 28982 flow, removed 25 selfloop flow, removed 9 redundant places. [2024-11-08 16:42:16,995 INFO L231 Difference]: Finished difference. Result has 583 places, 1108 transitions, 27870 flow [2024-11-08 16:42:16,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=25465, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1076, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=398, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=27870, PETRI_PLACES=583, PETRI_TRANSITIONS=1108} [2024-11-08 16:42:16,996 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 422 predicate places. [2024-11-08 16:42:16,996 INFO L471 AbstractCegarLoop]: Abstraction has has 583 places, 1108 transitions, 27870 flow [2024-11-08 16:42:16,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:16,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:16,997 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:16,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 16:42:16,997 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:16,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:16,998 INFO L85 PathProgramCache]: Analyzing trace with hash 169805762, now seen corresponding path program 11 times [2024-11-08 16:42:16,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:16,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869007357] [2024-11-08 16:42:16,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:18,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:18,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869007357] [2024-11-08 16:42:18,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869007357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:18,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:18,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:18,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976379079] [2024-11-08 16:42:18,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:18,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:18,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:18,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:18,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:20,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:20,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 1108 transitions, 27870 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:20,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:20,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:20,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:23,537 INFO L124 PetriNetUnfolderBase]: 1128/3862 cut-off events. [2024-11-08 16:42:23,537 INFO L125 PetriNetUnfolderBase]: For 210102/211334 co-relation queries the response was YES. [2024-11-08 16:42:23,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31537 conditions, 3862 events. 1128/3862 cut-off events. For 210102/211334 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 33961 event pairs, 31 based on Foata normal form. 488/4313 useless extension candidates. Maximal degree in co-relation 31253. Up to 1178 conditions per place. [2024-11-08 16:42:23,584 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 418 selfloop transitions, 432 changer transitions 8/1187 dead transitions. [2024-11-08 16:42:23,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 1187 transitions, 31371 flow [2024-11-08 16:42:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:42:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-08 16:42:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1987 transitions. [2024-11-08 16:42:23,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8761022927689595 [2024-11-08 16:42:23,587 INFO L175 Difference]: Start difference. First operand has 583 places, 1108 transitions, 27870 flow. Second operand 14 states and 1987 transitions. [2024-11-08 16:42:23,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 1187 transitions, 31371 flow [2024-11-08 16:42:24,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 1187 transitions, 30389 flow, removed 92 selfloop flow, removed 8 redundant places. [2024-11-08 16:42:24,616 INFO L231 Difference]: Finished difference. Result has 592 places, 1132 transitions, 29208 flow [2024-11-08 16:42:24,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=26970, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=404, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=29208, PETRI_PLACES=592, PETRI_TRANSITIONS=1132} [2024-11-08 16:42:24,617 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 431 predicate places. [2024-11-08 16:42:24,617 INFO L471 AbstractCegarLoop]: Abstraction has has 592 places, 1132 transitions, 29208 flow [2024-11-08 16:42:24,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:24,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:24,618 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:24,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 16:42:24,618 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:24,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:24,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1834798566, now seen corresponding path program 12 times [2024-11-08 16:42:24,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:24,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290156159] [2024-11-08 16:42:24,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:24,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:26,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:26,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290156159] [2024-11-08 16:42:26,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290156159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:26,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:26,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:26,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135842095] [2024-11-08 16:42:26,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:26,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:26,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:26,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:28,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:28,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 1132 transitions, 29208 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:28,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:28,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:28,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:30,466 INFO L124 PetriNetUnfolderBase]: 1163/4008 cut-off events. [2024-11-08 16:42:30,466 INFO L125 PetriNetUnfolderBase]: For 209931/211131 co-relation queries the response was YES. [2024-11-08 16:42:30,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32550 conditions, 4008 events. 1163/4008 cut-off events. For 209931/211131 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 35544 event pairs, 33 based on Foata normal form. 348/4326 useless extension candidates. Maximal degree in co-relation 32264. Up to 969 conditions per place. [2024-11-08 16:42:30,525 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 545 selfloop transitions, 368 changer transitions 12/1254 dead transitions. [2024-11-08 16:42:30,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 1254 transitions, 32690 flow [2024-11-08 16:42:30,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:42:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 16:42:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1712 transitions. [2024-11-08 16:42:30,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8806584362139918 [2024-11-08 16:42:30,528 INFO L175 Difference]: Start difference. First operand has 592 places, 1132 transitions, 29208 flow. Second operand 12 states and 1712 transitions. [2024-11-08 16:42:30,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 1254 transitions, 32690 flow [2024-11-08 16:42:31,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 1254 transitions, 32055 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-08 16:42:31,650 INFO L231 Difference]: Finished difference. Result has 600 places, 1154 transitions, 30288 flow [2024-11-08 16:42:31,651 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=28621, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=765, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30288, PETRI_PLACES=600, PETRI_TRANSITIONS=1154} [2024-11-08 16:42:31,651 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 439 predicate places. [2024-11-08 16:42:31,651 INFO L471 AbstractCegarLoop]: Abstraction has has 600 places, 1154 transitions, 30288 flow [2024-11-08 16:42:31,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:31,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:31,656 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:31,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:42:31,656 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:31,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1647629862, now seen corresponding path program 13 times [2024-11-08 16:42:31,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:31,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311545269] [2024-11-08 16:42:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:34,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:34,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311545269] [2024-11-08 16:42:34,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311545269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:34,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:34,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:34,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570335513] [2024-11-08 16:42:34,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:34,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:34,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:34,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:34,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:36,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:36,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 1154 transitions, 30288 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:36,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:36,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:36,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:38,878 INFO L124 PetriNetUnfolderBase]: 1199/4118 cut-off events. [2024-11-08 16:42:38,878 INFO L125 PetriNetUnfolderBase]: For 245134/246452 co-relation queries the response was YES. [2024-11-08 16:42:38,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34178 conditions, 4118 events. 1199/4118 cut-off events. For 245134/246452 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 36916 event pairs, 37 based on Foata normal form. 537/4622 useless extension candidates. Maximal degree in co-relation 33886. Up to 926 conditions per place. [2024-11-08 16:42:38,940 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 497 selfloop transitions, 440 changer transitions 5/1271 dead transitions. [2024-11-08 16:42:38,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 1271 transitions, 34346 flow [2024-11-08 16:42:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:42:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:42:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1581 transitions. [2024-11-08 16:42:38,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8872053872053872 [2024-11-08 16:42:38,942 INFO L175 Difference]: Start difference. First operand has 600 places, 1154 transitions, 30288 flow. Second operand 11 states and 1581 transitions. [2024-11-08 16:42:38,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 1271 transitions, 34346 flow [2024-11-08 16:42:39,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 1271 transitions, 34221 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-08 16:42:40,036 INFO L231 Difference]: Finished difference. Result has 609 places, 1183 transitions, 32538 flow [2024-11-08 16:42:40,037 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=30172, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=411, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=32538, PETRI_PLACES=609, PETRI_TRANSITIONS=1183} [2024-11-08 16:42:40,037 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 448 predicate places. [2024-11-08 16:42:40,037 INFO L471 AbstractCegarLoop]: Abstraction has has 609 places, 1183 transitions, 32538 flow [2024-11-08 16:42:40,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:40,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:40,038 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:40,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 16:42:40,039 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:40,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:40,039 INFO L85 PathProgramCache]: Analyzing trace with hash 493104628, now seen corresponding path program 14 times [2024-11-08 16:42:40,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:40,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462952700] [2024-11-08 16:42:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:40,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:41,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:41,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462952700] [2024-11-08 16:42:41,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462952700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:41,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:41,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:41,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483139904] [2024-11-08 16:42:41,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:41,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:41,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:41,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:43,506 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:43,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 1183 transitions, 32538 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:43,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:43,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:43,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:46,897 INFO L124 PetriNetUnfolderBase]: 1246/4262 cut-off events. [2024-11-08 16:42:46,897 INFO L125 PetriNetUnfolderBase]: For 274903/276350 co-relation queries the response was YES. [2024-11-08 16:42:46,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36776 conditions, 4262 events. 1246/4262 cut-off events. For 274903/276350 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 38564 event pairs, 36 based on Foata normal form. 547/4773 useless extension candidates. Maximal degree in co-relation 36480. Up to 952 conditions per place. [2024-11-08 16:42:46,962 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 540 selfloop transitions, 440 changer transitions 15/1324 dead transitions. [2024-11-08 16:42:46,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 1324 transitions, 37223 flow [2024-11-08 16:42:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:42:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:42:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1583 transitions. [2024-11-08 16:42:46,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.888327721661055 [2024-11-08 16:42:46,965 INFO L175 Difference]: Start difference. First operand has 609 places, 1183 transitions, 32538 flow. Second operand 11 states and 1583 transitions. [2024-11-08 16:42:46,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 1324 transitions, 37223 flow [2024-11-08 16:42:48,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 1324 transitions, 36792 flow, removed 21 selfloop flow, removed 4 redundant places. [2024-11-08 16:42:48,545 INFO L231 Difference]: Finished difference. Result has 621 places, 1216 transitions, 34683 flow [2024-11-08 16:42:48,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=32140, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=403, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=34683, PETRI_PLACES=621, PETRI_TRANSITIONS=1216} [2024-11-08 16:42:48,547 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 460 predicate places. [2024-11-08 16:42:48,547 INFO L471 AbstractCegarLoop]: Abstraction has has 621 places, 1216 transitions, 34683 flow [2024-11-08 16:42:48,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:48,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:48,548 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:48,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 16:42:48,549 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:48,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:48,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1075609998, now seen corresponding path program 15 times [2024-11-08 16:42:48,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:48,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012347032] [2024-11-08 16:42:48,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:48,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:50,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:50,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012347032] [2024-11-08 16:42:50,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012347032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:50,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:50,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:50,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293095261] [2024-11-08 16:42:50,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:50,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:50,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:50,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:50,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:52,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:42:52,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 1216 transitions, 34683 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:52,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:52,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:42:52,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:42:55,823 INFO L124 PetriNetUnfolderBase]: 1255/4293 cut-off events. [2024-11-08 16:42:55,823 INFO L125 PetriNetUnfolderBase]: For 302316/303861 co-relation queries the response was YES. [2024-11-08 16:42:55,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38170 conditions, 4293 events. 1255/4293 cut-off events. For 302316/303861 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 39016 event pairs, 32 based on Foata normal form. 593/4850 useless extension candidates. Maximal degree in co-relation 37868. Up to 978 conditions per place. [2024-11-08 16:42:55,907 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 525 selfloop transitions, 466 changer transitions 11/1331 dead transitions. [2024-11-08 16:42:55,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 1331 transitions, 38936 flow [2024-11-08 16:42:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:42:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:42:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1580 transitions. [2024-11-08 16:42:55,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8866442199775533 [2024-11-08 16:42:55,910 INFO L175 Difference]: Start difference. First operand has 621 places, 1216 transitions, 34683 flow. Second operand 11 states and 1580 transitions. [2024-11-08 16:42:55,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 1331 transitions, 38936 flow [2024-11-08 16:42:57,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 1331 transitions, 38454 flow, removed 45 selfloop flow, removed 4 redundant places. [2024-11-08 16:42:57,437 INFO L231 Difference]: Finished difference. Result has 632 places, 1235 transitions, 36618 flow [2024-11-08 16:42:57,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=34237, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=764, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=36618, PETRI_PLACES=632, PETRI_TRANSITIONS=1235} [2024-11-08 16:42:57,438 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 471 predicate places. [2024-11-08 16:42:57,438 INFO L471 AbstractCegarLoop]: Abstraction has has 632 places, 1235 transitions, 36618 flow [2024-11-08 16:42:57,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:57,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:42:57,439 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:42:57,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 16:42:57,439 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:42:57,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash 88801721, now seen corresponding path program 1 times [2024-11-08 16:42:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447701110] [2024-11-08 16:42:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:42:58,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:42:58,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447701110] [2024-11-08 16:42:58,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447701110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:42:58,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:42:58,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:42:58,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410884677] [2024-11-08 16:42:58,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:42:58,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:42:58,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:42:58,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:42:58,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:42:59,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:42:59,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 1235 transitions, 36618 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:42:59,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:42:59,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:42:59,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:43:03,543 INFO L124 PetriNetUnfolderBase]: 1532/4891 cut-off events. [2024-11-08 16:43:03,543 INFO L125 PetriNetUnfolderBase]: For 341701/342553 co-relation queries the response was YES. [2024-11-08 16:43:03,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44838 conditions, 4891 events. 1532/4891 cut-off events. For 341701/342553 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 43898 event pairs, 181 based on Foata normal form. 336/5146 useless extension candidates. Maximal degree in co-relation 44527. Up to 1532 conditions per place. [2024-11-08 16:43:03,637 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 736 selfloop transitions, 383 changer transitions 28/1362 dead transitions. [2024-11-08 16:43:03,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 1362 transitions, 40475 flow [2024-11-08 16:43:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:43:03,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-08 16:43:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2472 transitions. [2024-11-08 16:43:03,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8477366255144033 [2024-11-08 16:43:03,640 INFO L175 Difference]: Start difference. First operand has 632 places, 1235 transitions, 36618 flow. Second operand 18 states and 2472 transitions. [2024-11-08 16:43:03,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 1362 transitions, 40475 flow [2024-11-08 16:43:05,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 1362 transitions, 39974 flow, removed 45 selfloop flow, removed 5 redundant places. [2024-11-08 16:43:05,693 INFO L231 Difference]: Finished difference. Result has 656 places, 1285 transitions, 38339 flow [2024-11-08 16:43:05,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=36139, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=340, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=866, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=38339, PETRI_PLACES=656, PETRI_TRANSITIONS=1285} [2024-11-08 16:43:05,694 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 495 predicate places. [2024-11-08 16:43:05,695 INFO L471 AbstractCegarLoop]: Abstraction has has 656 places, 1285 transitions, 38339 flow [2024-11-08 16:43:05,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:05,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:43:05,695 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:05,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 16:43:05,695 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:43:05,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1511442943, now seen corresponding path program 2 times [2024-11-08 16:43:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309888120] [2024-11-08 16:43:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:43:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:43:06,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:43:06,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309888120] [2024-11-08 16:43:06,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309888120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:43:06,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:43:06,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:43:06,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763597398] [2024-11-08 16:43:06,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:43:06,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:43:06,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:43:06,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:43:06,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:43:08,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:43:08,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 1285 transitions, 38339 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:08,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:43:08,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:43:08,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:43:11,284 INFO L124 PetriNetUnfolderBase]: 1508/4842 cut-off events. [2024-11-08 16:43:11,284 INFO L125 PetriNetUnfolderBase]: For 350814/351733 co-relation queries the response was YES. [2024-11-08 16:43:11,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46093 conditions, 4842 events. 1508/4842 cut-off events. For 350814/351733 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 43569 event pairs, 181 based on Foata normal form. 339/5100 useless extension candidates. Maximal degree in co-relation 45768. Up to 1527 conditions per place. [2024-11-08 16:43:11,355 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 784 selfloop transitions, 339 changer transitions 6/1344 dead transitions. [2024-11-08 16:43:11,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 1344 transitions, 41348 flow [2024-11-08 16:43:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:43:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 16:43:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1682 transitions. [2024-11-08 16:43:11,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652263374485597 [2024-11-08 16:43:11,358 INFO L175 Difference]: Start difference. First operand has 656 places, 1285 transitions, 38339 flow. Second operand 12 states and 1682 transitions. [2024-11-08 16:43:11,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 1344 transitions, 41348 flow [2024-11-08 16:43:13,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 1344 transitions, 41184 flow, removed 59 selfloop flow, removed 7 redundant places. [2024-11-08 16:43:13,805 INFO L231 Difference]: Finished difference. Result has 656 places, 1291 transitions, 39211 flow [2024-11-08 16:43:13,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=38199, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=39211, PETRI_PLACES=656, PETRI_TRANSITIONS=1291} [2024-11-08 16:43:13,806 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 495 predicate places. [2024-11-08 16:43:13,806 INFO L471 AbstractCegarLoop]: Abstraction has has 656 places, 1291 transitions, 39211 flow [2024-11-08 16:43:13,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:13,807 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:43:13,807 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:13,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 16:43:13,807 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:43:13,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:13,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1324128933, now seen corresponding path program 3 times [2024-11-08 16:43:13,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:13,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460893423] [2024-11-08 16:43:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:13,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:43:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:43:15,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:43:15,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460893423] [2024-11-08 16:43:15,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460893423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:43:15,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:43:15,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 16:43:15,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143833502] [2024-11-08 16:43:15,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:43:15,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:43:15,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:43:15,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:43:15,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:43:16,684 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-08 16:43:16,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 1291 transitions, 39211 flow. Second operand has 11 states, 11 states have (on average 128.9090909090909) internal successors, (1418), 11 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:16,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:43:16,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-08 16:43:16,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:43:20,589 INFO L124 PetriNetUnfolderBase]: 1508/4847 cut-off events. [2024-11-08 16:43:20,589 INFO L125 PetriNetUnfolderBase]: For 359716/360582 co-relation queries the response was YES. [2024-11-08 16:43:20,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47206 conditions, 4847 events. 1508/4847 cut-off events. For 359716/360582 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 43404 event pairs, 200 based on Foata normal form. 343/5107 useless extension candidates. Maximal degree in co-relation 46749. Up to 1522 conditions per place. [2024-11-08 16:43:20,655 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 835 selfloop transitions, 291 changer transitions 5/1345 dead transitions. [2024-11-08 16:43:20,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 1345 transitions, 42133 flow [2024-11-08 16:43:20,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:43:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 16:43:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1670 transitions. [2024-11-08 16:43:20,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8590534979423868 [2024-11-08 16:43:20,657 INFO L175 Difference]: Start difference. First operand has 656 places, 1291 transitions, 39211 flow. Second operand 12 states and 1670 transitions. [2024-11-08 16:43:20,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 1345 transitions, 42133 flow [2024-11-08 16:43:22,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 1345 transitions, 41813 flow, removed 10 selfloop flow, removed 7 redundant places. [2024-11-08 16:43:22,779 INFO L231 Difference]: Finished difference. Result has 661 places, 1293 transitions, 39580 flow [2024-11-08 16:43:22,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=38897, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1002, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=39580, PETRI_PLACES=661, PETRI_TRANSITIONS=1293} [2024-11-08 16:43:22,781 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 500 predicate places. [2024-11-08 16:43:22,781 INFO L471 AbstractCegarLoop]: Abstraction has has 661 places, 1293 transitions, 39580 flow [2024-11-08 16:43:22,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 128.9090909090909) internal successors, (1418), 11 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:22,781 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:43:22,781 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:22,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 16:43:22,782 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:43:22,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:22,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1403339565, now seen corresponding path program 18 times [2024-11-08 16:43:22,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:22,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207980965] [2024-11-08 16:43:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:43:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:43:24,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:43:24,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207980965] [2024-11-08 16:43:24,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207980965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:43:24,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:43:24,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:43:24,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556296270] [2024-11-08 16:43:24,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:43:24,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:43:24,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:43:24,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:43:24,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:43:25,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:43:25,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 1293 transitions, 39580 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:25,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:43:25,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:43:25,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:43:32,087 INFO L124 PetriNetUnfolderBase]: 1768/5567 cut-off events. [2024-11-08 16:43:32,088 INFO L125 PetriNetUnfolderBase]: For 351480/352019 co-relation queries the response was YES. [2024-11-08 16:43:32,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52429 conditions, 5567 events. 1768/5567 cut-off events. For 351480/352019 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 52668 event pairs, 388 based on Foata normal form. 123/5564 useless extension candidates. Maximal degree in co-relation 52103. Up to 2639 conditions per place. [2024-11-08 16:43:32,206 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 619 selfloop transitions, 546 changer transitions 21/1354 dead transitions. [2024-11-08 16:43:32,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 1354 transitions, 42876 flow [2024-11-08 16:43:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:43:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:43:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1406 transitions. [2024-11-08 16:43:32,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8679012345679012 [2024-11-08 16:43:32,209 INFO L175 Difference]: Start difference. First operand has 661 places, 1293 transitions, 39580 flow. Second operand 10 states and 1406 transitions. [2024-11-08 16:43:32,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 1354 transitions, 42876 flow [2024-11-08 16:43:36,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 1354 transitions, 42185 flow, removed 1 selfloop flow, removed 11 redundant places. [2024-11-08 16:43:36,131 INFO L231 Difference]: Finished difference. Result has 664 places, 1301 transitions, 40593 flow [2024-11-08 16:43:36,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=38889, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=536, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=752, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=40593, PETRI_PLACES=664, PETRI_TRANSITIONS=1301} [2024-11-08 16:43:36,132 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 503 predicate places. [2024-11-08 16:43:36,132 INFO L471 AbstractCegarLoop]: Abstraction has has 664 places, 1301 transitions, 40593 flow [2024-11-08 16:43:36,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:36,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:43:36,132 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:36,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-08 16:43:36,132 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:43:36,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:36,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1415932994, now seen corresponding path program 2 times [2024-11-08 16:43:36,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:36,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792484761] [2024-11-08 16:43:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:43:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:43:37,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:43:37,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792484761] [2024-11-08 16:43:37,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792484761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:43:37,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:43:37,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:43:37,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035462790] [2024-11-08 16:43:37,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:43:37,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:43:37,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:43:37,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:43:37,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:43:39,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:43:39,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 1301 transitions, 40593 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:39,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:43:39,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:43:39,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:43:43,200 INFO L124 PetriNetUnfolderBase]: 1301/4409 cut-off events. [2024-11-08 16:43:43,200 INFO L125 PetriNetUnfolderBase]: For 392859/394490 co-relation queries the response was YES. [2024-11-08 16:43:43,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43847 conditions, 4409 events. 1301/4409 cut-off events. For 392859/394490 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 40165 event pairs, 21 based on Foata normal form. 212/4586 useless extension candidates. Maximal degree in co-relation 43517. Up to 1493 conditions per place. [2024-11-08 16:43:43,259 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 842 selfloop transitions, 204 changer transitions 17/1439 dead transitions. [2024-11-08 16:43:43,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 1439 transitions, 45961 flow [2024-11-08 16:43:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:43:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:43:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1585 transitions. [2024-11-08 16:43:43,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8894500561167228 [2024-11-08 16:43:43,261 INFO L175 Difference]: Start difference. First operand has 664 places, 1301 transitions, 40593 flow. Second operand 11 states and 1585 transitions. [2024-11-08 16:43:43,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 1439 transitions, 45961 flow [2024-11-08 16:43:45,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 1439 transitions, 45226 flow, removed 36 selfloop flow, removed 5 redundant places. [2024-11-08 16:43:45,560 INFO L231 Difference]: Finished difference. Result has 676 places, 1351 transitions, 42397 flow [2024-11-08 16:43:45,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=39943, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=42397, PETRI_PLACES=676, PETRI_TRANSITIONS=1351} [2024-11-08 16:43:45,562 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 515 predicate places. [2024-11-08 16:43:45,562 INFO L471 AbstractCegarLoop]: Abstraction has has 676 places, 1351 transitions, 42397 flow [2024-11-08 16:43:45,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:45,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:43:45,562 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:45,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 16:43:45,563 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:43:45,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash -32450270, now seen corresponding path program 3 times [2024-11-08 16:43:45,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:45,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129639385] [2024-11-08 16:43:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:45,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:43:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:43:47,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:43:47,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129639385] [2024-11-08 16:43:47,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129639385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:43:47,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:43:47,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:43:47,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954391436] [2024-11-08 16:43:47,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:43:47,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:43:47,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:43:47,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:43:47,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:43:49,669 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:43:49,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 1351 transitions, 42397 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:49,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:43:49,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:43:49,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:43:53,451 INFO L124 PetriNetUnfolderBase]: 1319/4475 cut-off events. [2024-11-08 16:43:53,451 INFO L125 PetriNetUnfolderBase]: For 382046/383775 co-relation queries the response was YES. [2024-11-08 16:43:53,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44683 conditions, 4475 events. 1319/4475 cut-off events. For 382046/383775 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 41090 event pairs, 23 based on Foata normal form. 359/4803 useless extension candidates. Maximal degree in co-relation 44349. Up to 1380 conditions per place. [2024-11-08 16:43:53,508 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 692 selfloop transitions, 368 changer transitions 20/1456 dead transitions. [2024-11-08 16:43:53,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 1456 transitions, 46689 flow [2024-11-08 16:43:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:43:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:43:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1571 transitions. [2024-11-08 16:43:53,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8815937149270483 [2024-11-08 16:43:53,510 INFO L175 Difference]: Start difference. First operand has 676 places, 1351 transitions, 42397 flow. Second operand 11 states and 1571 transitions. [2024-11-08 16:43:53,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 1456 transitions, 46689 flow [2024-11-08 16:43:55,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 1456 transitions, 46364 flow, removed 23 selfloop flow, removed 5 redundant places. [2024-11-08 16:43:55,664 INFO L231 Difference]: Finished difference. Result has 686 places, 1383 transitions, 44032 flow [2024-11-08 16:43:55,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=42108, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1005, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=44032, PETRI_PLACES=686, PETRI_TRANSITIONS=1383} [2024-11-08 16:43:55,665 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 525 predicate places. [2024-11-08 16:43:55,665 INFO L471 AbstractCegarLoop]: Abstraction has has 686 places, 1383 transitions, 44032 flow [2024-11-08 16:43:55,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:55,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:43:55,665 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:55,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 16:43:55,665 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:43:55,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:55,666 INFO L85 PathProgramCache]: Analyzing trace with hash -922905276, now seen corresponding path program 4 times [2024-11-08 16:43:55,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:55,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247939027] [2024-11-08 16:43:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:55,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:43:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:43:57,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:43:57,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247939027] [2024-11-08 16:43:57,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247939027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:43:57,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:43:57,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 16:43:57,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384422023] [2024-11-08 16:43:57,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:43:57,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:43:57,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:43:57,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:43:57,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:43:59,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 162 [2024-11-08 16:43:59,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 1383 transitions, 44032 flow. Second operand has 11 states, 11 states have (on average 133.45454545454547) internal successors, (1468), 11 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:43:59,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:43:59,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 162 [2024-11-08 16:43:59,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:44:04,108 INFO L124 PetriNetUnfolderBase]: 1533/5092 cut-off events. [2024-11-08 16:44:04,108 INFO L125 PetriNetUnfolderBase]: For 369125/369806 co-relation queries the response was YES. [2024-11-08 16:44:04,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51175 conditions, 5092 events. 1533/5092 cut-off events. For 369125/369806 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 47971 event pairs, 41 based on Foata normal form. 176/5239 useless extension candidates. Maximal degree in co-relation 50832. Up to 1640 conditions per place. [2024-11-08 16:44:04,174 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 877 selfloop transitions, 383 changer transitions 11/1580 dead transitions. [2024-11-08 16:44:04,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 1580 transitions, 51174 flow [2024-11-08 16:44:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:44:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-08 16:44:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1972 transitions. [2024-11-08 16:44:04,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8694885361552028 [2024-11-08 16:44:04,176 INFO L175 Difference]: Start difference. First operand has 686 places, 1383 transitions, 44032 flow. Second operand 14 states and 1972 transitions. [2024-11-08 16:44:04,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 1580 transitions, 51174 flow [2024-11-08 16:44:06,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 1580 transitions, 51063 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-08 16:44:06,570 INFO L231 Difference]: Finished difference. Result has 703 places, 1449 transitions, 46682 flow [2024-11-08 16:44:06,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=43940, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=46682, PETRI_PLACES=703, PETRI_TRANSITIONS=1449} [2024-11-08 16:44:06,571 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 542 predicate places. [2024-11-08 16:44:06,571 INFO L471 AbstractCegarLoop]: Abstraction has has 703 places, 1449 transitions, 46682 flow [2024-11-08 16:44:06,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 133.45454545454547) internal successors, (1468), 11 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:44:06,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:44:06,571 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:44:06,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 16:44:06,571 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:44:06,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:44:06,572 INFO L85 PathProgramCache]: Analyzing trace with hash 351386729, now seen corresponding path program 19 times [2024-11-08 16:44:06,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:44:06,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209884540] [2024-11-08 16:44:06,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:44:06,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:44:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:44:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:44:07,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:44:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209884540] [2024-11-08 16:44:07,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209884540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:44:07,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:44:07,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:44:07,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809089304] [2024-11-08 16:44:07,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:44:07,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:44:07,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:44:07,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:44:07,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:44:08,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:44:08,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 1449 transitions, 46682 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:44:08,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:44:08,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:44:08,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:44:13,981 INFO L124 PetriNetUnfolderBase]: 1941/6128 cut-off events. [2024-11-08 16:44:13,981 INFO L125 PetriNetUnfolderBase]: For 408714/409320 co-relation queries the response was YES. [2024-11-08 16:44:14,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60568 conditions, 6128 events. 1941/6128 cut-off events. For 408714/409320 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 59388 event pairs, 413 based on Foata normal form. 142/6153 useless extension candidates. Maximal degree in co-relation 60212. Up to 2890 conditions per place. [2024-11-08 16:44:14,130 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 712 selfloop transitions, 593 changer transitions 13/1499 dead transitions. [2024-11-08 16:44:14,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 711 places, 1499 transitions, 50278 flow [2024-11-08 16:44:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:44:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:44:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1392 transitions. [2024-11-08 16:44:14,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8592592592592593 [2024-11-08 16:44:14,133 INFO L175 Difference]: Start difference. First operand has 703 places, 1449 transitions, 46682 flow. Second operand 10 states and 1392 transitions. [2024-11-08 16:44:14,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 711 places, 1499 transitions, 50278 flow [2024-11-08 16:44:17,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 708 places, 1499 transitions, 49983 flow, removed 63 selfloop flow, removed 3 redundant places. [2024-11-08 16:44:17,686 INFO L231 Difference]: Finished difference. Result has 712 places, 1453 transitions, 47866 flow [2024-11-08 16:44:17,687 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=46400, PETRI_DIFFERENCE_MINUEND_PLACES=699, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=583, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=861, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=47866, PETRI_PLACES=712, PETRI_TRANSITIONS=1453} [2024-11-08 16:44:17,687 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 551 predicate places. [2024-11-08 16:44:17,687 INFO L471 AbstractCegarLoop]: Abstraction has has 712 places, 1453 transitions, 47866 flow [2024-11-08 16:44:17,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:44:17,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:44:17,687 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:44:17,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-08 16:44:17,688 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:44:17,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:44:17,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1737376834, now seen corresponding path program 5 times [2024-11-08 16:44:17,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:44:17,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903190943] [2024-11-08 16:44:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:44:17,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:44:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:44:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:44:19,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:44:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903190943] [2024-11-08 16:44:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903190943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:44:19,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:44:19,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:44:19,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944585451] [2024-11-08 16:44:19,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:44:19,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:44:19,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:44:19,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:44:19,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:44:20,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-08 16:44:20,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 1453 transitions, 47866 flow. Second operand has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:44:20,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:44:20,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-08 16:44:20,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:44:24,370 INFO L124 PetriNetUnfolderBase]: 1392/4760 cut-off events. [2024-11-08 16:44:24,371 INFO L125 PetriNetUnfolderBase]: For 427397/429326 co-relation queries the response was YES. [2024-11-08 16:44:24,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50296 conditions, 4760 events. 1392/4760 cut-off events. For 427397/429326 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 44671 event pairs, 22 based on Foata normal form. 319/5046 useless extension candidates. Maximal degree in co-relation 49936. Up to 1421 conditions per place. [2024-11-08 16:44:24,452 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 884 selfloop transitions, 291 changer transitions 11/1563 dead transitions. [2024-11-08 16:44:24,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 1563 transitions, 52902 flow [2024-11-08 16:44:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:44:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 16:44:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1572 transitions. [2024-11-08 16:44:24,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8821548821548821 [2024-11-08 16:44:24,454 INFO L175 Difference]: Start difference. First operand has 712 places, 1453 transitions, 47866 flow. Second operand 11 states and 1572 transitions. [2024-11-08 16:44:24,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 1563 transitions, 52902 flow [2024-11-08 16:44:26,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 1563 transitions, 51782 flow, removed 24 selfloop flow, removed 6 redundant places. [2024-11-08 16:44:26,957 INFO L231 Difference]: Finished difference. Result has 722 places, 1492 transitions, 48809 flow [2024-11-08 16:44:26,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=46799, PETRI_DIFFERENCE_MINUEND_PLACES=705, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=48809, PETRI_PLACES=722, PETRI_TRANSITIONS=1492} [2024-11-08 16:44:26,958 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 561 predicate places. [2024-11-08 16:44:26,958 INFO L471 AbstractCegarLoop]: Abstraction has has 722 places, 1492 transitions, 48809 flow [2024-11-08 16:44:26,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 135.4) internal successors, (1354), 10 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:44:26,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:44:26,959 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:44:26,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-08 16:44:26,959 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:44:26,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:44:26,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1908646743, now seen corresponding path program 20 times [2024-11-08 16:44:26,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:44:26,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831191575] [2024-11-08 16:44:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:44:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:44:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:44:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 16:44:28,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:44:28,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831191575] [2024-11-08 16:44:28,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831191575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:44:28,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:44:28,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:44:28,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421880156] [2024-11-08 16:44:28,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:44:28,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:44:28,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:44:28,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:44:28,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:44:29,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-08 16:44:29,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 722 places, 1492 transitions, 48809 flow. Second operand has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:44:29,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:44:29,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-08 16:44:29,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand