./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:22,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:22,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:15:22,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:22,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:22,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:22,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:22,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:22,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:22,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:22,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:22,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:22,456 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:22,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:22,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:22,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:22,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:22,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:22,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:22,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:22,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:22,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:22,468 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:15:22,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:22,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:15:22,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:22,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:22,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:22,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:22,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:22,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:22,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:22,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:22,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:22,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:22,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:22,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:22,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:22,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:22,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:22,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:22,480 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_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 [2024-10-31 22:15:22,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:22,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:22,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:22,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:22,944 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:22,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c Unable to find full path for "g++" [2024-10-31 22:15:25,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:25,342 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:25,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-10-31 22:15:25,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/data/49fa7bd56/34f3f8480a054b82a884a5c358ecdebc/FLAG089f6a235 [2024-10-31 22:15:25,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/data/49fa7bd56/34f3f8480a054b82a884a5c358ecdebc [2024-10-31 22:15:25,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:25,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:25,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:25,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:25,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:25,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217fb56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25, skipping insertion in model container [2024-10-31 22:15:25,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:25,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:25,712 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:25,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:25,823 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:25,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25 WrapperNode [2024-10-31 22:15:25,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:25,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:25,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:25,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:25,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,914 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 619 [2024-10-31 22:15:25,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:25,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:25,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:25,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:25,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:25,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:25,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:25,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:25,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (1/1) ... [2024-10-31 22:15:25,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:26,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:26,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cc494a-2933-4a41-836a-ee4080eb8dbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:15:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:15:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:15:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:15:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:15:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:15:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-31 22:15:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-31 22:15:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:15:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:15:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:15:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:15:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:15:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:15:26,100 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:15:26,271 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:26,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:27,419 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:15:27,420 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:28,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:28,247 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:15:28,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:28 BoogieIcfgContainer [2024-10-31 22:15:28,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:28,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:28,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:28,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:28,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:25" (1/3) ... [2024-10-31 22:15:28,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637077fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:28, skipping insertion in model container [2024-10-31 22:15:28,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:25" (2/3) ... [2024-10-31 22:15:28,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637077fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:28, skipping insertion in model container [2024-10-31 22:15:28,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:28" (3/3) ... [2024-10-31 22:15:28,259 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt3.wvr.c [2024-10-31 22:15:28,278 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:28,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 95 error locations. [2024-10-31 22:15:28,279 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:15:28,432 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-31 22:15:28,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 433 places, 443 transitions, 914 flow [2024-10-31 22:15:28,808 INFO L124 PetriNetUnfolderBase]: 23/439 cut-off events. [2024-10-31 22:15:28,808 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:15:28,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 439 events. 23/439 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 656 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 390. Up to 2 conditions per place. [2024-10-31 22:15:28,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 433 places, 443 transitions, 914 flow [2024-10-31 22:15:28,858 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 413 places, 422 transitions, 868 flow [2024-10-31 22:15:28,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:28,882 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;@bc9a06d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:28,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2024-10-31 22:15:28,891 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:15:28,891 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 22:15:28,891 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:15:28,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:28,893 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:28,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:28,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:28,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1699402533, now seen corresponding path program 1 times [2024-10-31 22:15:28,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:28,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054830307] [2024-10-31 22:15:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:29,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:29,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054830307] [2024-10-31 22:15:29,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054830307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:29,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:29,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:29,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251725507] [2024-10-31 22:15:29,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:29,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:29,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:29,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:29,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:29,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 443 [2024-10-31 22:15:29,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 422 transitions, 868 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:29,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:29,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 443 [2024-10-31 22:15:29,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:30,243 INFO L124 PetriNetUnfolderBase]: 748/1716 cut-off events. [2024-10-31 22:15:30,244 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2024-10-31 22:15:30,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2919 conditions, 1716 events. 748/1716 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8822 event pairs, 485 based on Foata normal form. 265/1814 useless extension candidates. Maximal degree in co-relation 2496. Up to 1009 conditions per place. [2024-10-31 22:15:30,269 INFO L140 encePairwiseOnDemand]: 358/443 looper letters, 27 selfloop transitions, 2 changer transitions 6/339 dead transitions. [2024-10-31 22:15:30,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 339 transitions, 760 flow [2024-10-31 22:15:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1096 transitions. [2024-10-31 22:15:30,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8246802106847254 [2024-10-31 22:15:30,301 INFO L175 Difference]: Start difference. First operand has 413 places, 422 transitions, 868 flow. Second operand 3 states and 1096 transitions. [2024-10-31 22:15:30,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 339 transitions, 760 flow [2024-10-31 22:15:30,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 339 transitions, 744 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-31 22:15:30,322 INFO L231 Difference]: Finished difference. Result has 336 places, 333 transitions, 678 flow [2024-10-31 22:15:30,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=678, PETRI_PLACES=336, PETRI_TRANSITIONS=333} [2024-10-31 22:15:30,329 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -77 predicate places. [2024-10-31 22:15:30,331 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 333 transitions, 678 flow [2024-10-31 22:15:30,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:30,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:30,333 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] [2024-10-31 22:15:30,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:30,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:30,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:30,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1622384186, now seen corresponding path program 1 times [2024-10-31 22:15:30,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:30,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121029197] [2024-10-31 22:15:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:30,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:30,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:30,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121029197] [2024-10-31 22:15:30,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121029197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:30,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:30,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:30,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598962001] [2024-10-31 22:15:30,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:30,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:30,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:30,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:30,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:30,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 443 [2024-10-31 22:15:30,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 333 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:30,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:30,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 443 [2024-10-31 22:15:30,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:31,354 INFO L124 PetriNetUnfolderBase]: 748/1709 cut-off events. [2024-10-31 22:15:31,355 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:31,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2793 conditions, 1709 events. 748/1709 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8771 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2753. Up to 1009 conditions per place. [2024-10-31 22:15:31,371 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2024-10-31 22:15:31,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 332 transitions, 734 flow [2024-10-31 22:15:31,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:31,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-31 22:15:31,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7629796839729119 [2024-10-31 22:15:31,377 INFO L175 Difference]: Start difference. First operand has 336 places, 333 transitions, 678 flow. Second operand 3 states and 1014 transitions. [2024-10-31 22:15:31,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 332 transitions, 734 flow [2024-10-31 22:15:31,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 332 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:31,389 INFO L231 Difference]: Finished difference. Result has 329 places, 332 transitions, 676 flow [2024-10-31 22:15:31,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=676, PETRI_PLACES=329, PETRI_TRANSITIONS=332} [2024-10-31 22:15:31,393 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -84 predicate places. [2024-10-31 22:15:31,394 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 332 transitions, 676 flow [2024-10-31 22:15:31,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:31,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:31,397 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] [2024-10-31 22:15:31,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:15:31,398 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:31,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:31,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1822750990, now seen corresponding path program 1 times [2024-10-31 22:15:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:31,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739838535] [2024-10-31 22:15:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:31,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:31,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739838535] [2024-10-31 22:15:31,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739838535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:31,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:31,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:31,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160338337] [2024-10-31 22:15:31,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:31,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:31,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:31,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:31,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:31,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:31,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 332 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:31,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:31,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:31,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:32,169 INFO L124 PetriNetUnfolderBase]: 748/1708 cut-off events. [2024-10-31 22:15:32,170 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:32,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2791 conditions, 1708 events. 748/1708 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8782 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2743. Up to 1008 conditions per place. [2024-10-31 22:15:32,184 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2024-10-31 22:15:32,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 331 transitions, 730 flow [2024-10-31 22:15:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:32,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:32,188 INFO L175 Difference]: Start difference. First operand has 329 places, 332 transitions, 676 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:32,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 331 transitions, 730 flow [2024-10-31 22:15:32,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 331 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:32,198 INFO L231 Difference]: Finished difference. Result has 328 places, 331 transitions, 674 flow [2024-10-31 22:15:32,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=328, PETRI_TRANSITIONS=331} [2024-10-31 22:15:32,199 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -85 predicate places. [2024-10-31 22:15:32,200 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 331 transitions, 674 flow [2024-10-31 22:15:32,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:32,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:32,201 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] [2024-10-31 22:15:32,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:15:32,202 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:32,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:32,202 INFO L85 PathProgramCache]: Analyzing trace with hash -931641241, now seen corresponding path program 1 times [2024-10-31 22:15:32,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:32,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057784728] [2024-10-31 22:15:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:32,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:32,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057784728] [2024-10-31 22:15:32,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057784728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:32,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:32,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:32,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50798290] [2024-10-31 22:15:32,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:32,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:32,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:32,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:32,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:32,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 331 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:32,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:32,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:32,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:32,908 INFO L124 PetriNetUnfolderBase]: 748/1707 cut-off events. [2024-10-31 22:15:32,909 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:32,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2790 conditions, 1707 events. 748/1707 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8760 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2734. Up to 1008 conditions per place. [2024-10-31 22:15:32,922 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2024-10-31 22:15:32,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 330 transitions, 728 flow [2024-10-31 22:15:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:32,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:32,926 INFO L175 Difference]: Start difference. First operand has 328 places, 331 transitions, 674 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:32,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 330 transitions, 728 flow [2024-10-31 22:15:32,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 330 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:32,934 INFO L231 Difference]: Finished difference. Result has 327 places, 330 transitions, 672 flow [2024-10-31 22:15:32,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=672, PETRI_PLACES=327, PETRI_TRANSITIONS=330} [2024-10-31 22:15:32,936 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -86 predicate places. [2024-10-31 22:15:32,936 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 330 transitions, 672 flow [2024-10-31 22:15:32,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:32,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:32,938 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] [2024-10-31 22:15:32,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:15:32,938 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:32,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:32,939 INFO L85 PathProgramCache]: Analyzing trace with hash -631685377, now seen corresponding path program 1 times [2024-10-31 22:15:32,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:32,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651595725] [2024-10-31 22:15:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:33,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:33,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651595725] [2024-10-31 22:15:33,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651595725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:33,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:33,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:33,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538944677] [2024-10-31 22:15:33,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:33,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:33,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:33,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:33,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:33,023 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:33,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 330 transitions, 672 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:33,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:33,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:33,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:33,687 INFO L124 PetriNetUnfolderBase]: 748/1706 cut-off events. [2024-10-31 22:15:33,687 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:33,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2789 conditions, 1706 events. 748/1706 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8792 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2725. Up to 1008 conditions per place. [2024-10-31 22:15:33,703 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2024-10-31 22:15:33,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 329 transitions, 726 flow [2024-10-31 22:15:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:33,708 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:33,708 INFO L175 Difference]: Start difference. First operand has 327 places, 330 transitions, 672 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:33,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 329 transitions, 726 flow [2024-10-31 22:15:33,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 329 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:33,717 INFO L231 Difference]: Finished difference. Result has 326 places, 329 transitions, 670 flow [2024-10-31 22:15:33,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=670, PETRI_PLACES=326, PETRI_TRANSITIONS=329} [2024-10-31 22:15:33,719 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -87 predicate places. [2024-10-31 22:15:33,720 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 329 transitions, 670 flow [2024-10-31 22:15:33,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:33,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:33,721 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] [2024-10-31 22:15:33,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:15:33,722 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:33,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 219737943, now seen corresponding path program 1 times [2024-10-31 22:15:33,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:33,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35443584] [2024-10-31 22:15:33,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:33,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:33,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:33,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35443584] [2024-10-31 22:15:33,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35443584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:33,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:33,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:33,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814125926] [2024-10-31 22:15:33,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:33,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:33,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:33,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:33,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:33,864 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:33,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 329 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:33,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:33,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:33,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:34,354 INFO L124 PetriNetUnfolderBase]: 748/1705 cut-off events. [2024-10-31 22:15:34,355 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:34,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2788 conditions, 1705 events. 748/1705 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8788 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2716. Up to 1008 conditions per place. [2024-10-31 22:15:34,368 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/328 dead transitions. [2024-10-31 22:15:34,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 724 flow [2024-10-31 22:15:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:34,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:34,373 INFO L175 Difference]: Start difference. First operand has 326 places, 329 transitions, 670 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:34,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 724 flow [2024-10-31 22:15:34,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 328 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:34,380 INFO L231 Difference]: Finished difference. Result has 325 places, 328 transitions, 668 flow [2024-10-31 22:15:34,381 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=325, PETRI_TRANSITIONS=328} [2024-10-31 22:15:34,384 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -88 predicate places. [2024-10-31 22:15:34,384 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 328 transitions, 668 flow [2024-10-31 22:15:34,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:34,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:34,386 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] [2024-10-31 22:15:34,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:15:34,386 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:34,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash 768603957, now seen corresponding path program 1 times [2024-10-31 22:15:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:34,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345627176] [2024-10-31 22:15:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:34,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345627176] [2024-10-31 22:15:34,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345627176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:34,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:34,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:34,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629970240] [2024-10-31 22:15:34,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:34,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:34,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:34,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:34,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:34,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:34,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 328 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:34,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:34,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:34,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:34,937 INFO L124 PetriNetUnfolderBase]: 748/1704 cut-off events. [2024-10-31 22:15:34,938 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:34,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2787 conditions, 1704 events. 748/1704 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8846 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2707. Up to 1008 conditions per place. [2024-10-31 22:15:34,952 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/327 dead transitions. [2024-10-31 22:15:34,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 327 transitions, 722 flow [2024-10-31 22:15:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:34,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:34,955 INFO L175 Difference]: Start difference. First operand has 325 places, 328 transitions, 668 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:34,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 327 transitions, 722 flow [2024-10-31 22:15:34,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 327 transitions, 718 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:34,962 INFO L231 Difference]: Finished difference. Result has 324 places, 327 transitions, 666 flow [2024-10-31 22:15:34,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=324, PETRI_TRANSITIONS=327} [2024-10-31 22:15:34,963 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -89 predicate places. [2024-10-31 22:15:34,963 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 327 transitions, 666 flow [2024-10-31 22:15:34,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:34,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:34,965 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] [2024-10-31 22:15:34,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:15:34,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:34,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:34,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1550398428, now seen corresponding path program 1 times [2024-10-31 22:15:34,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:34,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751880977] [2024-10-31 22:15:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:34,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:35,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751880977] [2024-10-31 22:15:35,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751880977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:35,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:35,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:35,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642449796] [2024-10-31 22:15:35,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:35,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:35,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:35,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:35,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:35,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 327 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:35,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:35,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:35,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:35,533 INFO L124 PetriNetUnfolderBase]: 748/1703 cut-off events. [2024-10-31 22:15:35,534 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:35,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2786 conditions, 1703 events. 748/1703 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8798 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2698. Up to 1008 conditions per place. [2024-10-31 22:15:35,547 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/326 dead transitions. [2024-10-31 22:15:35,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 326 transitions, 720 flow [2024-10-31 22:15:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:35,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:35,551 INFO L175 Difference]: Start difference. First operand has 324 places, 327 transitions, 666 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:35,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 326 transitions, 720 flow [2024-10-31 22:15:35,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 326 transitions, 716 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:35,558 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 664 flow [2024-10-31 22:15:35,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-10-31 22:15:35,560 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -90 predicate places. [2024-10-31 22:15:35,560 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 664 flow [2024-10-31 22:15:35,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:35,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:35,562 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] [2024-10-31 22:15:35,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:15:35,562 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:35,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:35,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1904353867, now seen corresponding path program 1 times [2024-10-31 22:15:35,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:35,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829851938] [2024-10-31 22:15:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:35,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:35,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:35,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829851938] [2024-10-31 22:15:35,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829851938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:35,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:35,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:35,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962580335] [2024-10-31 22:15:35,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:35,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:35,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:35,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:35,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:35,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-10-31 22:15:35,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:35,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:35,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-10-31 22:15:35,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:36,083 INFO L124 PetriNetUnfolderBase]: 748/1702 cut-off events. [2024-10-31 22:15:36,084 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:36,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2785 conditions, 1702 events. 748/1702 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8787 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2689. Up to 1008 conditions per place. [2024-10-31 22:15:36,096 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/325 dead transitions. [2024-10-31 22:15:36,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 325 transitions, 718 flow [2024-10-31 22:15:36,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-31 22:15:36,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-10-31 22:15:36,100 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 664 flow. Second operand 3 states and 1016 transitions. [2024-10-31 22:15:36,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 325 transitions, 718 flow [2024-10-31 22:15:36,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 325 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:36,107 INFO L231 Difference]: Finished difference. Result has 322 places, 325 transitions, 662 flow [2024-10-31 22:15:36,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=322, PETRI_TRANSITIONS=325} [2024-10-31 22:15:36,108 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -91 predicate places. [2024-10-31 22:15:36,109 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 325 transitions, 662 flow [2024-10-31 22:15:36,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:36,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:36,110 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] [2024-10-31 22:15:36,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:15:36,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:36,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:36,111 INFO L85 PathProgramCache]: Analyzing trace with hash -949216888, now seen corresponding path program 1 times [2024-10-31 22:15:36,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:36,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36721615] [2024-10-31 22:15:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:36,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:36,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:36,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36721615] [2024-10-31 22:15:36,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36721615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:36,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:36,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320222460] [2024-10-31 22:15:36,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:36,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:36,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:36,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:36,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:36,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:36,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 325 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:36,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:36,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:36,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:36,807 INFO L124 PetriNetUnfolderBase]: 748/1701 cut-off events. [2024-10-31 22:15:36,808 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:36,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 1701 events. 748/1701 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8834 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2677. Up to 1005 conditions per place. [2024-10-31 22:15:36,820 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 24 selfloop transitions, 1 changer transitions 0/324 dead transitions. [2024-10-31 22:15:36,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 324 transitions, 710 flow [2024-10-31 22:15:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-10-31 22:15:36,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7712565838976674 [2024-10-31 22:15:36,824 INFO L175 Difference]: Start difference. First operand has 322 places, 325 transitions, 662 flow. Second operand 3 states and 1025 transitions. [2024-10-31 22:15:36,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 324 transitions, 710 flow [2024-10-31 22:15:36,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 324 transitions, 706 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:36,833 INFO L231 Difference]: Finished difference. Result has 321 places, 324 transitions, 658 flow [2024-10-31 22:15:36,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=321, PETRI_TRANSITIONS=324} [2024-10-31 22:15:36,836 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -92 predicate places. [2024-10-31 22:15:36,836 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 324 transitions, 658 flow [2024-10-31 22:15:36,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:36,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:36,837 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:36,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:15:36,838 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:36,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:36,839 INFO L85 PathProgramCache]: Analyzing trace with hash -544206224, now seen corresponding path program 1 times [2024-10-31 22:15:36,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:36,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520840359] [2024-10-31 22:15:36,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:36,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:36,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:36,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520840359] [2024-10-31 22:15:36,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520840359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:36,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:36,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:36,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047299916] [2024-10-31 22:15:36,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:36,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:36,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:36,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:36,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:36,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-10-31 22:15:36,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 324 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:36,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:36,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-10-31 22:15:36,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:37,493 INFO L124 PetriNetUnfolderBase]: 748/1700 cut-off events. [2024-10-31 22:15:37,493 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:37,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 1700 events. 748/1700 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8815 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2677. Up to 1007 conditions per place. [2024-10-31 22:15:37,506 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 25 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-10-31 22:15:37,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 323 transitions, 710 flow [2024-10-31 22:15:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2024-10-31 22:15:37,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7659894657637322 [2024-10-31 22:15:37,511 INFO L175 Difference]: Start difference. First operand has 321 places, 324 transitions, 658 flow. Second operand 3 states and 1018 transitions. [2024-10-31 22:15:37,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 323 transitions, 710 flow [2024-10-31 22:15:37,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 323 transitions, 709 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:37,518 INFO L231 Difference]: Finished difference. Result has 321 places, 323 transitions, 659 flow [2024-10-31 22:15:37,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=659, PETRI_PLACES=321, PETRI_TRANSITIONS=323} [2024-10-31 22:15:37,520 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -92 predicate places. [2024-10-31 22:15:37,520 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 323 transitions, 659 flow [2024-10-31 22:15:37,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:37,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:37,522 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:37,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:15:37,522 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:37,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:37,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1298893284, now seen corresponding path program 1 times [2024-10-31 22:15:37,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:37,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741882526] [2024-10-31 22:15:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:37,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:38,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:38,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741882526] [2024-10-31 22:15:38,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741882526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:38,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:38,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:15:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501865178] [2024-10-31 22:15:38,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:38,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:15:38,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:38,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:15:38,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:15:38,415 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 443 [2024-10-31 22:15:38,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 659 flow. Second operand has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:38,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:38,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 443 [2024-10-31 22:15:38,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:38,912 INFO L124 PetriNetUnfolderBase]: 748/1698 cut-off events. [2024-10-31 22:15:38,912 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:38,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2802 conditions, 1698 events. 748/1698 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8774 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2699. Up to 1020 conditions per place. [2024-10-31 22:15:38,925 INFO L140 encePairwiseOnDemand]: 431/443 looper letters, 38 selfloop transitions, 10 changer transitions 0/321 dead transitions. [2024-10-31 22:15:38,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 321 transitions, 751 flow [2024-10-31 22:15:38,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:15:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:15:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1904 transitions. [2024-10-31 22:15:38,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7163280662151994 [2024-10-31 22:15:38,931 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 659 flow. Second operand 6 states and 1904 transitions. [2024-10-31 22:15:38,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 321 transitions, 751 flow [2024-10-31 22:15:38,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 321 transitions, 747 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:38,938 INFO L231 Difference]: Finished difference. Result has 322 places, 321 transitions, 671 flow [2024-10-31 22:15:38,939 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=671, PETRI_PLACES=322, PETRI_TRANSITIONS=321} [2024-10-31 22:15:38,939 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -91 predicate places. [2024-10-31 22:15:38,940 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 321 transitions, 671 flow [2024-10-31 22:15:38,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:38,942 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:38,942 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:38,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:15:38,942 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:38,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1625719868, now seen corresponding path program 1 times [2024-10-31 22:15:38,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:38,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490854437] [2024-10-31 22:15:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:38,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490854437] [2024-10-31 22:15:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490854437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:38,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:38,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:38,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886963615] [2024-10-31 22:15:38,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:38,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:38,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:38,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:39,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:39,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 321 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:39,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:39,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:39,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:39,472 INFO L124 PetriNetUnfolderBase]: 748/1697 cut-off events. [2024-10-31 22:15:39,472 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:39,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2786 conditions, 1697 events. 748/1697 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8843 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2753. Up to 1005 conditions per place. [2024-10-31 22:15:39,491 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 24 selfloop transitions, 1 changer transitions 0/320 dead transitions. [2024-10-31 22:15:39,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 320 transitions, 719 flow [2024-10-31 22:15:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-10-31 22:15:39,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7712565838976674 [2024-10-31 22:15:39,494 INFO L175 Difference]: Start difference. First operand has 322 places, 321 transitions, 671 flow. Second operand 3 states and 1025 transitions. [2024-10-31 22:15:39,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 320 transitions, 719 flow [2024-10-31 22:15:39,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 320 transitions, 699 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:15:39,501 INFO L231 Difference]: Finished difference. Result has 318 places, 320 transitions, 651 flow [2024-10-31 22:15:39,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=651, PETRI_PLACES=318, PETRI_TRANSITIONS=320} [2024-10-31 22:15:39,503 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-10-31 22:15:39,503 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 320 transitions, 651 flow [2024-10-31 22:15:39,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:39,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:39,505 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:39,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:15:39,505 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:39,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:39,506 INFO L85 PathProgramCache]: Analyzing trace with hash 788888152, now seen corresponding path program 1 times [2024-10-31 22:15:39,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:39,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536806287] [2024-10-31 22:15:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:39,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:39,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536806287] [2024-10-31 22:15:39,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536806287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:39,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:39,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:39,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410484425] [2024-10-31 22:15:39,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:39,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:39,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:39,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:39,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:39,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-10-31 22:15:39,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 320 transitions, 651 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:39,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:39,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-10-31 22:15:39,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:40,073 INFO L124 PetriNetUnfolderBase]: 748/1696 cut-off events. [2024-10-31 22:15:40,074 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:40,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1696 events. 748/1696 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8794 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2674. Up to 1007 conditions per place. [2024-10-31 22:15:40,086 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 25 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-10-31 22:15:40,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 319 transitions, 703 flow [2024-10-31 22:15:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2024-10-31 22:15:40,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7659894657637322 [2024-10-31 22:15:40,090 INFO L175 Difference]: Start difference. First operand has 318 places, 320 transitions, 651 flow. Second operand 3 states and 1018 transitions. [2024-10-31 22:15:40,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 319 transitions, 703 flow [2024-10-31 22:15:40,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 319 transitions, 702 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:40,097 INFO L231 Difference]: Finished difference. Result has 318 places, 319 transitions, 652 flow [2024-10-31 22:15:40,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=318, PETRI_TRANSITIONS=319} [2024-10-31 22:15:40,099 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-10-31 22:15:40,099 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 319 transitions, 652 flow [2024-10-31 22:15:40,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:40,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:40,101 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:40,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:15:40,101 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:40,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:40,102 INFO L85 PathProgramCache]: Analyzing trace with hash -467831567, now seen corresponding path program 1 times [2024-10-31 22:15:40,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:40,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769427940] [2024-10-31 22:15:40,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:40,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:40,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:40,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769427940] [2024-10-31 22:15:40,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769427940] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:40,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:40,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:40,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447202540] [2024-10-31 22:15:40,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:40,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:40,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:40,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:40,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-10-31 22:15:40,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 319 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:40,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:40,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-10-31 22:15:40,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:40,660 INFO L124 PetriNetUnfolderBase]: 748/1694 cut-off events. [2024-10-31 22:15:40,661 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:40,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1694 events. 748/1694 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8776 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2674. Up to 1007 conditions per place. [2024-10-31 22:15:40,673 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 1 changer transitions 0/317 dead transitions. [2024-10-31 22:15:40,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 317 transitions, 702 flow [2024-10-31 22:15:40,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2024-10-31 22:15:40,676 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7667419112114372 [2024-10-31 22:15:40,676 INFO L175 Difference]: Start difference. First operand has 318 places, 319 transitions, 652 flow. Second operand 3 states and 1019 transitions. [2024-10-31 22:15:40,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 317 transitions, 702 flow [2024-10-31 22:15:40,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:40,683 INFO L231 Difference]: Finished difference. Result has 316 places, 317 transitions, 646 flow [2024-10-31 22:15:40,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=316, PETRI_TRANSITIONS=317} [2024-10-31 22:15:40,685 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -97 predicate places. [2024-10-31 22:15:40,685 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 317 transitions, 646 flow [2024-10-31 22:15:40,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:40,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:40,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:40,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:15:40,687 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:40,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:40,688 INFO L85 PathProgramCache]: Analyzing trace with hash -512296548, now seen corresponding path program 1 times [2024-10-31 22:15:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:40,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249053347] [2024-10-31 22:15:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:40,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:40,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:40,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249053347] [2024-10-31 22:15:40,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249053347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:40,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:40,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62471366] [2024-10-31 22:15:40,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:40,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:40,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:40,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:40,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:40,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 317 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:40,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:40,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:40,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:41,309 INFO L124 PetriNetUnfolderBase]: 748/1693 cut-off events. [2024-10-31 22:15:41,309 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:41,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 1693 events. 748/1693 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8768 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2670. Up to 1005 conditions per place. [2024-10-31 22:15:41,322 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 24 selfloop transitions, 1 changer transitions 0/316 dead transitions. [2024-10-31 22:15:41,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 316 transitions, 694 flow [2024-10-31 22:15:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-10-31 22:15:41,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7712565838976674 [2024-10-31 22:15:41,327 INFO L175 Difference]: Start difference. First operand has 316 places, 317 transitions, 646 flow. Second operand 3 states and 1025 transitions. [2024-10-31 22:15:41,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 316 transitions, 694 flow [2024-10-31 22:15:41,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 316 transitions, 693 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:41,337 INFO L231 Difference]: Finished difference. Result has 316 places, 316 transitions, 645 flow [2024-10-31 22:15:41,337 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=316, PETRI_TRANSITIONS=316} [2024-10-31 22:15:41,338 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -97 predicate places. [2024-10-31 22:15:41,339 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 316 transitions, 645 flow [2024-10-31 22:15:41,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:41,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:41,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:41,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:15:41,342 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:41,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1604322697, now seen corresponding path program 1 times [2024-10-31 22:15:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:41,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036746144] [2024-10-31 22:15:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:41,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:41,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036746144] [2024-10-31 22:15:41,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036746144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:41,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:41,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:41,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248642846] [2024-10-31 22:15:41,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:41,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:41,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:41,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:41,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:41,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-10-31 22:15:41,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 316 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:41,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:41,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-10-31 22:15:41,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:41,969 INFO L124 PetriNetUnfolderBase]: 748/1691 cut-off events. [2024-10-31 22:15:41,969 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:15:41,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2775 conditions, 1691 events. 748/1691 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8780 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2671. Up to 1007 conditions per place. [2024-10-31 22:15:41,981 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 1 changer transitions 0/314 dead transitions. [2024-10-31 22:15:41,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 314 transitions, 695 flow [2024-10-31 22:15:41,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2024-10-31 22:15:41,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7667419112114372 [2024-10-31 22:15:41,984 INFO L175 Difference]: Start difference. First operand has 316 places, 316 transitions, 645 flow. Second operand 3 states and 1019 transitions. [2024-10-31 22:15:41,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 314 transitions, 695 flow [2024-10-31 22:15:41,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 314 transitions, 694 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:41,991 INFO L231 Difference]: Finished difference. Result has 315 places, 314 transitions, 642 flow [2024-10-31 22:15:41,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=315, PETRI_TRANSITIONS=314} [2024-10-31 22:15:41,992 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -98 predicate places. [2024-10-31 22:15:41,992 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 314 transitions, 642 flow [2024-10-31 22:15:41,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:41,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:41,993 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:41,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:15:41,994 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:41,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:41,994 INFO L85 PathProgramCache]: Analyzing trace with hash -118060070, now seen corresponding path program 1 times [2024-10-31 22:15:41,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:41,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571328841] [2024-10-31 22:15:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:41,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:42,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:42,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571328841] [2024-10-31 22:15:42,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571328841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:42,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:42,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:42,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341306798] [2024-10-31 22:15:42,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:42,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:42,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:42,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:42,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:42,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 314 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:42,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:42,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:42,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:42,838 INFO L124 PetriNetUnfolderBase]: 1256/2818 cut-off events. [2024-10-31 22:15:42,838 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-10-31 22:15:42,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4644 conditions, 2818 events. 1256/2818 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 17593 event pairs, 792 based on Foata normal form. 0/2548 useless extension candidates. Maximal degree in co-relation 4540. Up to 1084 conditions per place. [2024-10-31 22:15:42,857 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 44 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2024-10-31 22:15:42,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 334 transitions, 782 flow [2024-10-31 22:15:42,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-10-31 22:15:42,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7870579382994732 [2024-10-31 22:15:42,861 INFO L175 Difference]: Start difference. First operand has 315 places, 314 transitions, 642 flow. Second operand 3 states and 1046 transitions. [2024-10-31 22:15:42,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 334 transitions, 782 flow [2024-10-31 22:15:42,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 334 transitions, 781 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:42,868 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 649 flow [2024-10-31 22:15:42,869 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=649, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2024-10-31 22:15:42,869 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -97 predicate places. [2024-10-31 22:15:42,870 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 649 flow [2024-10-31 22:15:42,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:42,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:42,871 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:42,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:15:42,871 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:42,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1786513873, now seen corresponding path program 1 times [2024-10-31 22:15:42,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:42,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248648967] [2024-10-31 22:15:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:42,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:42,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:42,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248648967] [2024-10-31 22:15:42,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248648967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:42,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:42,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:42,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240688962] [2024-10-31 22:15:42,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:42,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:42,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:42,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:42,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:42,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 314 transitions, 649 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:42,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:42,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:42,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:44,008 INFO L124 PetriNetUnfolderBase]: 1775/3943 cut-off events. [2024-10-31 22:15:44,008 INFO L125 PetriNetUnfolderBase]: For 398/398 co-relation queries the response was YES. [2024-10-31 22:15:44,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6870 conditions, 3943 events. 1775/3943 cut-off events. For 398/398 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 27308 event pairs, 700 based on Foata normal form. 0/3563 useless extension candidates. Maximal degree in co-relation 6765. Up to 1371 conditions per place. [2024-10-31 22:15:44,038 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 43 selfloop transitions, 5 changer transitions 0/335 dead transitions. [2024-10-31 22:15:44,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 335 transitions, 800 flow [2024-10-31 22:15:44,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-10-31 22:15:44,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7870579382994732 [2024-10-31 22:15:44,042 INFO L175 Difference]: Start difference. First operand has 316 places, 314 transitions, 649 flow. Second operand 3 states and 1046 transitions. [2024-10-31 22:15:44,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 335 transitions, 800 flow [2024-10-31 22:15:44,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 335 transitions, 797 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:44,049 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 676 flow [2024-10-31 22:15:44,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=676, PETRI_PLACES=317, PETRI_TRANSITIONS=316} [2024-10-31 22:15:44,051 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -96 predicate places. [2024-10-31 22:15:44,053 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 676 flow [2024-10-31 22:15:44,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:44,054 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:44,054 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:44,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:15:44,055 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:44,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:44,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1783249566, now seen corresponding path program 1 times [2024-10-31 22:15:44,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:44,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289431460] [2024-10-31 22:15:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:44,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:44,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:44,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289431460] [2024-10-31 22:15:44,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289431460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:44,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:44,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:44,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748477126] [2024-10-31 22:15:44,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:44,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:44,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:44,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:44,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:44,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:44,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:44,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:44,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:44,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:46,460 INFO L124 PetriNetUnfolderBase]: 3088/6809 cut-off events. [2024-10-31 22:15:46,460 INFO L125 PetriNetUnfolderBase]: For 2116/2116 co-relation queries the response was YES. [2024-10-31 22:15:46,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12983 conditions, 6809 events. 3088/6809 cut-off events. For 2116/2116 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 54924 event pairs, 1838 based on Foata normal form. 0/6120 useless extension candidates. Maximal degree in co-relation 12878. Up to 2556 conditions per place. [2024-10-31 22:15:46,510 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 52 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2024-10-31 22:15:46,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 340 transitions, 866 flow [2024-10-31 22:15:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-10-31 22:15:46,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7870579382994732 [2024-10-31 22:15:46,513 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 676 flow. Second operand 3 states and 1046 transitions. [2024-10-31 22:15:46,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 340 transitions, 866 flow [2024-10-31 22:15:46,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 340 transitions, 857 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:46,521 INFO L231 Difference]: Finished difference. Result has 318 places, 316 transitions, 679 flow [2024-10-31 22:15:46,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=318, PETRI_TRANSITIONS=316} [2024-10-31 22:15:46,523 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-10-31 22:15:46,523 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 316 transitions, 679 flow [2024-10-31 22:15:46,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:46,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:46,524 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:46,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:15:46,524 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:46,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:46,525 INFO L85 PathProgramCache]: Analyzing trace with hash -10817860, now seen corresponding path program 1 times [2024-10-31 22:15:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:46,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338745894] [2024-10-31 22:15:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:46,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:46,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338745894] [2024-10-31 22:15:46,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338745894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:46,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:46,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:46,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50885981] [2024-10-31 22:15:46,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:46,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:46,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:46,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:46,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:46,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-10-31 22:15:46,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 316 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:46,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:46,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-10-31 22:15:46,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:49,408 INFO L124 PetriNetUnfolderBase]: 4031/9239 cut-off events. [2024-10-31 22:15:49,408 INFO L125 PetriNetUnfolderBase]: For 3011/3011 co-relation queries the response was YES. [2024-10-31 22:15:49,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17480 conditions, 9239 events. 4031/9239 cut-off events. For 3011/3011 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 80558 event pairs, 1475 based on Foata normal form. 0/8245 useless extension candidates. Maximal degree in co-relation 17373. Up to 3078 conditions per place. [2024-10-31 22:15:49,490 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 51 selfloop transitions, 5 changer transitions 0/341 dead transitions. [2024-10-31 22:15:49,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 341 transitions, 876 flow [2024-10-31 22:15:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-10-31 22:15:49,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7870579382994732 [2024-10-31 22:15:49,494 INFO L175 Difference]: Start difference. First operand has 318 places, 316 transitions, 679 flow. Second operand 3 states and 1046 transitions. [2024-10-31 22:15:49,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 341 transitions, 876 flow [2024-10-31 22:15:49,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 341 transitions, 873 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:49,502 INFO L231 Difference]: Finished difference. Result has 319 places, 318 transitions, 706 flow [2024-10-31 22:15:49,503 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=319, PETRI_TRANSITIONS=318} [2024-10-31 22:15:49,504 INFO L277 CegarLoopForPetriNet]: 413 programPoint places, -94 predicate places. [2024-10-31 22:15:49,504 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 318 transitions, 706 flow [2024-10-31 22:15:49,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:49,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:49,505 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:49,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:15:49,506 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-31 22:15:49,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1260208419, now seen corresponding path program 1 times [2024-10-31 22:15:49,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:49,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186697811] [2024-10-31 22:15:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:49,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:49,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186697811] [2024-10-31 22:15:49,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186697811] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:49,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:49,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:49,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631611554] [2024-10-31 22:15:49,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:49,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:49,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:49,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:49,636 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 443 [2024-10-31 22:15:49,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 318 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:49,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:49,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 443 [2024-10-31 22:15:49,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand