./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:09:16,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:09:16,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:09:16,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:09:16,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:09:16,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:09:16,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:09:16,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:09:16,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:09:16,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:09:16,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:09:16,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:09:16,712 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:09:16,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:09:16,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:09:16,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:09:16,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:09:16,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:09:16,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:09:16,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:09:16,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:09:16,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:09:16,720 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:09:16,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:09:16,721 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:09:16,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:09:16,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:09:16,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:09:16,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:09:16,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:09:16,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:16,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:09:16,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:09:16,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:09:16,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:09:16,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:09:16,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:09:16,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:09:16,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:09:16,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:09:16,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:09:16,729 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_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2023-11-21 22:09:17,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:09:17,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:09:17,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:09:17,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:09:17,104 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:09:17,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-21 22:09:20,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:09:20,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:09:20,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-21 22:09:20,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/data/35590c8c1/0cba34e7164f4107b0692965ea13031a/FLAG5d298c09f [2023-11-21 22:09:20,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/data/35590c8c1/0cba34e7164f4107b0692965ea13031a [2023-11-21 22:09:20,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:09:20,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:09:20,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:20,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:09:20,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:09:20,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:20" (1/1) ... [2023-11-21 22:09:20,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d140b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:20, skipping insertion in model container [2023-11-21 22:09:20,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:20" (1/1) ... [2023-11-21 22:09:20,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:09:21,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:21,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:09:21,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:22,164 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:09:22,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22 WrapperNode [2023-11-21 22:09:22,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:22,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:22,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:09:22,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:09:22,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,266 INFO L138 Inliner]: procedures = 483, calls = 48, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 225 [2023-11-21 22:09:22,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:22,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:09:22,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:09:22,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:09:22,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:09:22,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:09:22,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:09:22,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:09:22,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (1/1) ... [2023-11-21 22:09:22,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:22,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:22,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765d2b0-1848-4dc1-a326-297c2dedf280/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:09:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:09:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:09:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 22:09:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:09:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:09:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:09:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:09:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-21 22:09:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-21 22:09:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:09:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 22:09:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:09:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:09:22,464 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:09:22,810 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:09:22,813 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:09:23,246 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:23,304 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:23,304 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:09:23,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:23 BoogieIcfgContainer [2023-11-21 22:09:23,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:23,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:09:23,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:09:23,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:09:23,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:09:20" (1/3) ... [2023-11-21 22:09:23,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67065612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:23, skipping insertion in model container [2023-11-21 22:09:23,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:22" (2/3) ... [2023-11-21 22:09:23,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67065612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:23, skipping insertion in model container [2023-11-21 22:09:23,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:23" (3/3) ... [2023-11-21 22:09:23,336 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-11-21 22:09:23,359 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:09:23,370 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:09:23,370 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-21 22:09:23,370 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:09:23,478 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 22:09:23,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 357 transitions, 728 flow [2023-11-21 22:09:23,713 INFO L124 PetriNetUnfolderBase]: 18/445 cut-off events. [2023-11-21 22:09:23,713 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 22:09:23,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 445 events. 18/445 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 995 event pairs, 0 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 248. Up to 4 conditions per place. [2023-11-21 22:09:23,722 INFO L82 GeneralOperation]: Start removeDead. Operand has 349 places, 357 transitions, 728 flow [2023-11-21 22:09:23,737 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 347 places, 354 transitions, 720 flow [2023-11-21 22:09:23,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:09:23,776 INFO L357 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, mHoare=true, 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;@3fd7cde8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:09:23,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-21 22:09:23,787 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:09:23,787 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-21 22:09:23,787 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:09:23,788 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:23,788 INFO L208 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] [2023-11-21 22:09:23,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:23,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash 412921849, now seen corresponding path program 1 times [2023-11-21 22:09:23,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:23,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098525384] [2023-11-21 22:09:23,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:23,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:25,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:25,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098525384] [2023-11-21 22:09:25,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098525384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:25,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:25,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:25,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802699497] [2023-11-21 22:09:25,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:25,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:25,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:25,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:25,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:25,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 357 [2023-11-21 22:09:25,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 354 transitions, 720 flow. Second operand has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:25,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:25,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 357 [2023-11-21 22:09:25,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:32,018 INFO L124 PetriNetUnfolderBase]: 9101/24420 cut-off events. [2023-11-21 22:09:32,019 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2023-11-21 22:09:32,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38656 conditions, 24420 events. 9101/24420 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 261843 event pairs, 9100 based on Foata normal form. 717/23063 useless extension candidates. Maximal degree in co-relation 37992. Up to 14180 conditions per place. [2023-11-21 22:09:32,260 INFO L140 encePairwiseOnDemand]: 339/357 looper letters, 74 selfloop transitions, 5 changer transitions 12/323 dead transitions. [2023-11-21 22:09:32,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 323 transitions, 816 flow [2023-11-21 22:09:32,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:09:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1646 transitions. [2023-11-21 22:09:32,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7684407096171803 [2023-11-21 22:09:32,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1646 transitions. [2023-11-21 22:09:32,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1646 transitions. [2023-11-21 22:09:32,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:32,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1646 transitions. [2023-11-21 22:09:32,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 274.3333333333333) internal successors, (1646), 6 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:32,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:32,314 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:32,316 INFO L175 Difference]: Start difference. First operand has 347 places, 354 transitions, 720 flow. Second operand 6 states and 1646 transitions. [2023-11-21 22:09:32,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 323 transitions, 816 flow [2023-11-21 22:09:32,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 323 transitions, 808 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:09:32,336 INFO L231 Difference]: Finished difference. Result has 329 places, 311 transitions, 636 flow [2023-11-21 22:09:32,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=636, PETRI_PLACES=329, PETRI_TRANSITIONS=311} [2023-11-21 22:09:32,344 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -18 predicate places. [2023-11-21 22:09:32,345 INFO L495 AbstractCegarLoop]: Abstraction has has 329 places, 311 transitions, 636 flow [2023-11-21 22:09:32,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:32,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:32,347 INFO L208 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] [2023-11-21 22:09:32,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:09:32,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:32,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:32,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1943506994, now seen corresponding path program 1 times [2023-11-21 22:09:32,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:32,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685429517] [2023-11-21 22:09:32,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:32,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:33,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:33,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685429517] [2023-11-21 22:09:33,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685429517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:33,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:33,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:33,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77075777] [2023-11-21 22:09:33,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:33,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:33,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:33,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:33,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 357 [2023-11-21 22:09:33,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 311 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:33,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:33,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 357 [2023-11-21 22:09:33,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:37,660 INFO L124 PetriNetUnfolderBase]: 9101/24407 cut-off events. [2023-11-21 22:09:37,660 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-21 22:09:37,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38615 conditions, 24407 events. 9101/24407 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 262001 event pairs, 9100 based on Foata normal form. 0/22338 useless extension candidates. Maximal degree in co-relation 38568. Up to 14180 conditions per place. [2023-11-21 22:09:37,800 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 74 selfloop transitions, 5 changer transitions 0/310 dead transitions. [2023-11-21 22:09:37,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 310 transitions, 792 flow [2023-11-21 22:09:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:09:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1634 transitions. [2023-11-21 22:09:37,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7628384687208216 [2023-11-21 22:09:37,807 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1634 transitions. [2023-11-21 22:09:37,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1634 transitions. [2023-11-21 22:09:37,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:37,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1634 transitions. [2023-11-21 22:09:37,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.3333333333333) internal successors, (1634), 6 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:37,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:37,822 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:37,822 INFO L175 Difference]: Start difference. First operand has 329 places, 311 transitions, 636 flow. Second operand 6 states and 1634 transitions. [2023-11-21 22:09:37,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 310 transitions, 792 flow [2023-11-21 22:09:37,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 310 transitions, 782 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:09:37,831 INFO L231 Difference]: Finished difference. Result has 316 places, 310 transitions, 634 flow [2023-11-21 22:09:37,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=316, PETRI_TRANSITIONS=310} [2023-11-21 22:09:37,833 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -31 predicate places. [2023-11-21 22:09:37,833 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 310 transitions, 634 flow [2023-11-21 22:09:37,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:37,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:37,835 INFO L208 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] [2023-11-21 22:09:37,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:09:37,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:37,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:37,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1557835713, now seen corresponding path program 1 times [2023-11-21 22:09:37,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874644035] [2023-11-21 22:09:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:38,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:38,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874644035] [2023-11-21 22:09:38,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874644035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:38,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:38,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:38,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841120056] [2023-11-21 22:09:38,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:38,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:38,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:38,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:38,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:39,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 357 [2023-11-21 22:09:39,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 310 transitions, 634 flow. Second operand has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:39,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:39,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 357 [2023-11-21 22:09:39,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:40,229 INFO L124 PetriNetUnfolderBase]: 2101/6449 cut-off events. [2023-11-21 22:09:40,230 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-21 22:09:40,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9823 conditions, 6449 events. 2101/6449 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 58816 event pairs, 1854 based on Foata normal form. 0/5911 useless extension candidates. Maximal degree in co-relation 9763. Up to 3342 conditions per place. [2023-11-21 22:09:40,280 INFO L140 encePairwiseOnDemand]: 349/357 looper letters, 44 selfloop transitions, 7 changer transitions 0/315 dead transitions. [2023-11-21 22:09:40,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 315 transitions, 747 flow [2023-11-21 22:09:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:09:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1810 transitions. [2023-11-21 22:09:40,287 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8450046685340803 [2023-11-21 22:09:40,287 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1810 transitions. [2023-11-21 22:09:40,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1810 transitions. [2023-11-21 22:09:40,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:40,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1810 transitions. [2023-11-21 22:09:40,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:40,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:40,304 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:40,304 INFO L175 Difference]: Start difference. First operand has 316 places, 310 transitions, 634 flow. Second operand 6 states and 1810 transitions. [2023-11-21 22:09:40,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 315 transitions, 747 flow [2023-11-21 22:09:40,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 737 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:09:40,313 INFO L231 Difference]: Finished difference. Result has 316 places, 312 transitions, 652 flow [2023-11-21 22:09:40,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=652, PETRI_PLACES=316, PETRI_TRANSITIONS=312} [2023-11-21 22:09:40,314 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -31 predicate places. [2023-11-21 22:09:40,315 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 312 transitions, 652 flow [2023-11-21 22:09:40,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:40,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:40,317 INFO L208 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] [2023-11-21 22:09:40,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:09:40,317 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:40,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:40,318 INFO L85 PathProgramCache]: Analyzing trace with hash 337424268, now seen corresponding path program 1 times [2023-11-21 22:09:40,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:40,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131163253] [2023-11-21 22:09:40,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:40,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:40,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131163253] [2023-11-21 22:09:40,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131163253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:40,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:40,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:40,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210305962] [2023-11-21 22:09:40,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:40,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:40,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:40,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:40,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:41,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 357 [2023-11-21 22:09:41,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 652 flow. Second operand has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:41,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:41,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 357 [2023-11-21 22:09:41,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:42,937 INFO L124 PetriNetUnfolderBase]: 2101/6339 cut-off events. [2023-11-21 22:09:42,937 INFO L125 PetriNetUnfolderBase]: For 327/327 co-relation queries the response was YES. [2023-11-21 22:09:42,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10067 conditions, 6339 events. 2101/6339 cut-off events. For 327/327 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 57046 event pairs, 1748 based on Foata normal form. 0/5792 useless extension candidates. Maximal degree in co-relation 7027. Up to 3342 conditions per place. [2023-11-21 22:09:43,002 INFO L140 encePairwiseOnDemand]: 349/357 looper letters, 44 selfloop transitions, 7 changer transitions 0/314 dead transitions. [2023-11-21 22:09:43,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 314 transitions, 759 flow [2023-11-21 22:09:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:09:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1810 transitions. [2023-11-21 22:09:43,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8450046685340803 [2023-11-21 22:09:43,011 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1810 transitions. [2023-11-21 22:09:43,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1810 transitions. [2023-11-21 22:09:43,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:43,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1810 transitions. [2023-11-21 22:09:43,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,029 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,030 INFO L175 Difference]: Start difference. First operand has 316 places, 312 transitions, 652 flow. Second operand 6 states and 1810 transitions. [2023-11-21 22:09:43,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 314 transitions, 759 flow [2023-11-21 22:09:43,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 749 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:09:43,040 INFO L231 Difference]: Finished difference. Result has 316 places, 311 transitions, 654 flow [2023-11-21 22:09:43,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=316, PETRI_TRANSITIONS=311} [2023-11-21 22:09:43,043 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -31 predicate places. [2023-11-21 22:09:43,044 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 311 transitions, 654 flow [2023-11-21 22:09:43,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:43,046 INFO L208 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] [2023-11-21 22:09:43,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:09:43,047 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:43,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:43,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1625565245, now seen corresponding path program 1 times [2023-11-21 22:09:43,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:43,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480109680] [2023-11-21 22:09:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:43,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:43,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:43,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480109680] [2023-11-21 22:09:43,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480109680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:43,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:43,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:09:43,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071561119] [2023-11-21 22:09:43,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:43,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:09:43,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:43,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:09:43,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:09:43,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 357 [2023-11-21 22:09:43,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 311 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:43,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 357 [2023-11-21 22:09:43,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:43,627 INFO L124 PetriNetUnfolderBase]: 55/1106 cut-off events. [2023-11-21 22:09:43,627 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2023-11-21 22:09:43,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1106 events. 55/1106 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6082 event pairs, 36 based on Foata normal form. 0/994 useless extension candidates. Maximal degree in co-relation 448. Up to 100 conditions per place. [2023-11-21 22:09:43,643 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 15 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2023-11-21 22:09:43,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 310 transitions, 686 flow [2023-11-21 22:09:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:09:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:09:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2023-11-21 22:09:43,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9178338001867413 [2023-11-21 22:09:43,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2023-11-21 22:09:43,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2023-11-21 22:09:43,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:43,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2023-11-21 22:09:43,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,662 INFO L175 Difference]: Start difference. First operand has 316 places, 311 transitions, 654 flow. Second operand 3 states and 983 transitions. [2023-11-21 22:09:43,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 310 transitions, 686 flow [2023-11-21 22:09:43,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 672 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:09:43,673 INFO L231 Difference]: Finished difference. Result has 312 places, 310 transitions, 642 flow [2023-11-21 22:09:43,674 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=312, PETRI_TRANSITIONS=310} [2023-11-21 22:09:43,675 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -35 predicate places. [2023-11-21 22:09:43,676 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 310 transitions, 642 flow [2023-11-21 22:09:43,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:43,677 INFO L208 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] [2023-11-21 22:09:43,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:09:43,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:43,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1395788717, now seen corresponding path program 1 times [2023-11-21 22:09:43,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:43,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064780020] [2023-11-21 22:09:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:43,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:43,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064780020] [2023-11-21 22:09:43,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064780020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:43,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:43,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:09:43,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925394488] [2023-11-21 22:09:43,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:43,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:09:43,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:43,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:09:43,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:09:43,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2023-11-21 22:09:43,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 310 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:43,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:43,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2023-11-21 22:09:43,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:44,068 INFO L124 PetriNetUnfolderBase]: 42/1025 cut-off events. [2023-11-21 22:09:44,069 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-21 22:09:44,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 1025 events. 42/1025 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5300 event pairs, 24 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 975. Up to 76 conditions per place. [2023-11-21 22:09:44,078 INFO L140 encePairwiseOnDemand]: 353/357 looper letters, 14 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2023-11-21 22:09:44,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 311 transitions, 677 flow [2023-11-21 22:09:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:09:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:09:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2023-11-21 22:09:44,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2023-11-21 22:09:44,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2023-11-21 22:09:44,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2023-11-21 22:09:44,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:44,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2023-11-21 22:09:44,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,093 INFO L175 Difference]: Start difference. First operand has 312 places, 310 transitions, 642 flow. Second operand 3 states and 990 transitions. [2023-11-21 22:09:44,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 311 transitions, 677 flow [2023-11-21 22:09:44,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 311 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:09:44,102 INFO L231 Difference]: Finished difference. Result has 311 places, 310 transitions, 648 flow [2023-11-21 22:09:44,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=311, PETRI_TRANSITIONS=310} [2023-11-21 22:09:44,104 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -36 predicate places. [2023-11-21 22:09:44,104 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 310 transitions, 648 flow [2023-11-21 22:09:44,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:44,105 INFO L208 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] [2023-11-21 22:09:44,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:09:44,106 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:44,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:44,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2050802145, now seen corresponding path program 1 times [2023-11-21 22:09:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:44,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417917240] [2023-11-21 22:09:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:44,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:44,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:44,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417917240] [2023-11-21 22:09:44,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417917240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:44,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:44,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:44,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124676085] [2023-11-21 22:09:44,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:44,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:44,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:45,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 357 [2023-11-21 22:09:45,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 310 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:45,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:45,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 357 [2023-11-21 22:09:45,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:50,345 INFO L124 PetriNetUnfolderBase]: 11271/26575 cut-off events. [2023-11-21 22:09:50,345 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2023-11-21 22:09:50,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45256 conditions, 26575 events. 11271/26575 cut-off events. For 804/804 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 267831 event pairs, 7750 based on Foata normal form. 0/24464 useless extension candidates. Maximal degree in co-relation 43122. Up to 16083 conditions per place. [2023-11-21 22:09:50,529 INFO L140 encePairwiseOnDemand]: 326/357 looper letters, 96 selfloop transitions, 102 changer transitions 0/427 dead transitions. [2023-11-21 22:09:50,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 427 transitions, 1294 flow [2023-11-21 22:09:50,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:09:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1757 transitions. [2023-11-21 22:09:50,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8202614379084967 [2023-11-21 22:09:50,541 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1757 transitions. [2023-11-21 22:09:50,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1757 transitions. [2023-11-21 22:09:50,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:50,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1757 transitions. [2023-11-21 22:09:50,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:50,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:50,556 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:50,557 INFO L175 Difference]: Start difference. First operand has 311 places, 310 transitions, 648 flow. Second operand 6 states and 1757 transitions. [2023-11-21 22:09:50,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 427 transitions, 1294 flow [2023-11-21 22:09:50,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 427 transitions, 1294 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:09:50,569 INFO L231 Difference]: Finished difference. Result has 321 places, 411 transitions, 1334 flow [2023-11-21 22:09:50,570 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1334, PETRI_PLACES=321, PETRI_TRANSITIONS=411} [2023-11-21 22:09:50,571 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -26 predicate places. [2023-11-21 22:09:50,571 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 411 transitions, 1334 flow [2023-11-21 22:09:50,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:50,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:50,576 INFO L208 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] [2023-11-21 22:09:50,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:09:50,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:50,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 190185402, now seen corresponding path program 1 times [2023-11-21 22:09:50,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:50,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441325722] [2023-11-21 22:09:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:50,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:50,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:50,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441325722] [2023-11-21 22:09:50,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441325722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:50,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:50,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012862305] [2023-11-21 22:09:50,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:50,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:09:50,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:50,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:09:50,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:09:50,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 357 [2023-11-21 22:09:50,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 411 transitions, 1334 flow. Second operand has 5 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:50,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:50,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 357 [2023-11-21 22:09:50,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:09:53,521 INFO L124 PetriNetUnfolderBase]: 4435/11886 cut-off events. [2023-11-21 22:09:53,521 INFO L125 PetriNetUnfolderBase]: For 2246/2266 co-relation queries the response was YES. [2023-11-21 22:09:53,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23469 conditions, 11886 events. 4435/11886 cut-off events. For 2246/2266 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 109009 event pairs, 1661 based on Foata normal form. 1/11037 useless extension candidates. Maximal degree in co-relation 22222. Up to 4878 conditions per place. [2023-11-21 22:09:53,661 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 18 selfloop transitions, 4 changer transitions 2/416 dead transitions. [2023-11-21 22:09:53,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 416 transitions, 1392 flow [2023-11-21 22:09:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:09:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:09:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1945 transitions. [2023-11-21 22:09:53,671 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9080298786181139 [2023-11-21 22:09:53,672 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1945 transitions. [2023-11-21 22:09:53,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1945 transitions. [2023-11-21 22:09:53,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:53,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1945 transitions. [2023-11-21 22:09:53,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:53,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:53,692 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:53,692 INFO L175 Difference]: Start difference. First operand has 321 places, 411 transitions, 1334 flow. Second operand 6 states and 1945 transitions. [2023-11-21 22:09:53,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 416 transitions, 1392 flow [2023-11-21 22:09:53,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 416 transitions, 1376 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-21 22:09:53,863 INFO L231 Difference]: Finished difference. Result has 330 places, 414 transitions, 1349 flow [2023-11-21 22:09:53,864 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1349, PETRI_PLACES=330, PETRI_TRANSITIONS=414} [2023-11-21 22:09:53,865 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -17 predicate places. [2023-11-21 22:09:53,865 INFO L495 AbstractCegarLoop]: Abstraction has has 330 places, 414 transitions, 1349 flow [2023-11-21 22:09:53,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:53,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:09:53,867 INFO L208 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] [2023-11-21 22:09:53,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:09:53,868 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:09:53,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash -544124789, now seen corresponding path program 1 times [2023-11-21 22:09:53,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:53,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789469908] [2023-11-21 22:09:53,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:53,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:54,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:54,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789469908] [2023-11-21 22:09:54,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789469908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:54,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:54,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:09:54,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248435344] [2023-11-21 22:09:54,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:54,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:09:54,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:54,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:09:54,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:55,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 357 [2023-11-21 22:09:55,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 414 transitions, 1349 flow. Second operand has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:55,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:09:55,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 357 [2023-11-21 22:09:55,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:02,799 INFO L124 PetriNetUnfolderBase]: 15360/35288 cut-off events. [2023-11-21 22:10:02,799 INFO L125 PetriNetUnfolderBase]: For 12928/13345 co-relation queries the response was YES. [2023-11-21 22:10:02,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78380 conditions, 35288 events. 15360/35288 cut-off events. For 12928/13345 co-relation queries the response was YES. Maximal size of possible extension queue 820. Compared 361254 event pairs, 9127 based on Foata normal form. 0/32840 useless extension candidates. Maximal degree in co-relation 78272. Up to 20487 conditions per place. [2023-11-21 22:10:03,134 INFO L140 encePairwiseOnDemand]: 326/357 looper letters, 192 selfloop transitions, 102 changer transitions 0/531 dead transitions. [2023-11-21 22:10:03,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 531 transitions, 2379 flow [2023-11-21 22:10:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:10:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:10:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1757 transitions. [2023-11-21 22:10:03,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8202614379084967 [2023-11-21 22:10:03,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1757 transitions. [2023-11-21 22:10:03,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1757 transitions. [2023-11-21 22:10:03,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:03,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1757 transitions. [2023-11-21 22:10:03,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:03,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:03,161 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:03,161 INFO L175 Difference]: Start difference. First operand has 330 places, 414 transitions, 1349 flow. Second operand 6 states and 1757 transitions. [2023-11-21 22:10:03,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 531 transitions, 2379 flow [2023-11-21 22:10:03,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 531 transitions, 2378 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:10:03,248 INFO L231 Difference]: Finished difference. Result has 339 places, 515 transitions, 2226 flow [2023-11-21 22:10:03,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=1348, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2226, PETRI_PLACES=339, PETRI_TRANSITIONS=515} [2023-11-21 22:10:03,249 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -8 predicate places. [2023-11-21 22:10:03,253 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 515 transitions, 2226 flow [2023-11-21 22:10:03,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:03,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:03,255 INFO L208 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] [2023-11-21 22:10:03,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:10:03,256 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-21 22:10:03,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1737802389, now seen corresponding path program 1 times [2023-11-21 22:10:03,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:03,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993446889] [2023-11-21 22:10:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:03,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:04,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:04,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993446889] [2023-11-21 22:10:04,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993446889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:04,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:04,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:10:04,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37042219] [2023-11-21 22:10:04,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:04,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:04,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:04,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:04,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:04,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 357 [2023-11-21 22:10:04,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 515 transitions, 2226 flow. Second operand has 6 states, 6 states have (on average 265.3333333333333) internal successors, (1592), 6 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:04,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:04,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 357 [2023-11-21 22:10:04,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand