./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:22,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:22,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:18:22,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:22,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:22,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:22,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:22,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:22,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:22,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:22,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:22,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:22,732 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:22,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:22,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:22,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:22,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:22,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:22,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:22,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:22,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:22,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:22,738 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:18:22,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:22,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:22,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:22,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:22,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:22,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:22,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:22,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:22,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:22,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:22,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:22,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:22,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:22,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:22,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:22,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:22,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:22,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:22,758 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_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2024-10-31 22:18:23,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:23,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:23,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:23,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:23,104 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:23,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i Unable to find full path for "g++" [2024-10-31 22:18:25,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:25,555 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:25,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-10-31 22:18:25,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/data/66b8b1f23/8b66494cab1640f4b102689ae5270e72/FLAG191293418 [2024-10-31 22:18:25,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/data/66b8b1f23/8b66494cab1640f4b102689ae5270e72 [2024-10-31 22:18:25,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:25,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:25,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:25,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:25,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:25,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:25" (1/1) ... [2024-10-31 22:18:25,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206484e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:25, skipping insertion in model container [2024-10-31 22:18:25,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:25" (1/1) ... [2024-10-31 22:18:25,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:26,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:26,697 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:26,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:26,879 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:26,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26 WrapperNode [2024-10-31 22:18:26,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:26,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:26,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:26,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:26,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:26,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:26,987 INFO L138 Inliner]: procedures = 368, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-10-31 22:18:26,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:26,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:26,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:26,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:27,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:27,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:27,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:27,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:27,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (1/1) ... [2024-10-31 22:18:27,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:27,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:27,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc4c757-6404-43d3-beef-eb57b4d53f37/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:18:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:18:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:18:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:18:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:18:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:18:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:18:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:18:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:18:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:18:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:27,246 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:18:27,460 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:27,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:28,040 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:18:28,040 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:28,093 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:28,097 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:18:28,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:28 BoogieIcfgContainer [2024-10-31 22:18:28,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:28,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:28,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:28,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:28,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:25" (1/3) ... [2024-10-31 22:18:28,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288a2274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:28, skipping insertion in model container [2024-10-31 22:18:28,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:26" (2/3) ... [2024-10-31 22:18:28,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288a2274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:28, skipping insertion in model container [2024-10-31 22:18:28,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:28" (3/3) ... [2024-10-31 22:18:28,110 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2024-10-31 22:18:28,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:28,134 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-31 22:18:28,134 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:18:28,303 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:28,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 199 transitions, 402 flow [2024-10-31 22:18:28,453 INFO L124 PetriNetUnfolderBase]: 0/198 cut-off events. [2024-10-31 22:18:28,454 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:28,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 198 events. 0/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-31 22:18:28,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 199 transitions, 402 flow [2024-10-31 22:18:28,467 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 198 transitions, 399 flow [2024-10-31 22:18:28,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:28,485 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c294d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:28,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-10-31 22:18:28,496 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:28,497 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-10-31 22:18:28,497 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:28,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:28,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:28,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:28,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash 591670127, now seen corresponding path program 1 times [2024-10-31 22:18:28,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:28,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574910720] [2024-10-31 22:18:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:29,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:29,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574910720] [2024-10-31 22:18:29,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574910720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:29,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:29,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:29,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077868415] [2024-10-31 22:18:29,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:29,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:29,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:29,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:29,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:30,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-10-31 22:18:30,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:30,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:30,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-10-31 22:18:30,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:30,832 INFO L124 PetriNetUnfolderBase]: 220/1022 cut-off events. [2024-10-31 22:18:30,832 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:18:30,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1022 events. 220/1022 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5351 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-10-31 22:18:30,843 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/196 dead transitions. [2024-10-31 22:18:30,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 509 flow [2024-10-31 22:18:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:18:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:18:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-10-31 22:18:30,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-10-31 22:18:30,863 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 399 flow. Second operand 6 states and 899 transitions. [2024-10-31 22:18:30,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 509 flow [2024-10-31 22:18:30,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:18:30,875 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 414 flow [2024-10-31 22:18:30,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-10-31 22:18:30,881 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 2 predicate places. [2024-10-31 22:18:30,882 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 414 flow [2024-10-31 22:18:30,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:30,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:30,883 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:30,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:30,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:30,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1151147682, now seen corresponding path program 1 times [2024-10-31 22:18:30,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:30,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903329655] [2024-10-31 22:18:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:30,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903329655] [2024-10-31 22:18:31,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903329655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:31,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:31,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:31,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305146494] [2024-10-31 22:18:31,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:31,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:31,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:31,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:32,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-10-31 22:18:32,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:32,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-10-31 22:18:32,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:32,297 INFO L124 PetriNetUnfolderBase]: 220/1020 cut-off events. [2024-10-31 22:18:32,297 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:32,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 1020 events. 220/1020 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5380 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-10-31 22:18:32,310 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/194 dead transitions. [2024-10-31 22:18:32,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 524 flow [2024-10-31 22:18:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:18:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:18:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-10-31 22:18:32,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-10-31 22:18:32,315 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 414 flow. Second operand 6 states and 899 transitions. [2024-10-31 22:18:32,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 524 flow [2024-10-31 22:18:32,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 194 transitions, 504 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:18:32,326 INFO L231 Difference]: Finished difference. Result has 202 places, 194 transitions, 410 flow [2024-10-31 22:18:32,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2024-10-31 22:18:32,330 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 0 predicate places. [2024-10-31 22:18:32,330 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 410 flow [2024-10-31 22:18:32,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:32,331 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:32,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:32,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:32,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1922634844, now seen corresponding path program 1 times [2024-10-31 22:18:32,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:32,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745218458] [2024-10-31 22:18:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:32,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:32,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:32,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745218458] [2024-10-31 22:18:32,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745218458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:32,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:32,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:32,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442424612] [2024-10-31 22:18:32,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:32,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:32,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:32,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:32,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:32,450 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 199 [2024-10-31 22:18:32,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 194 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:32,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 199 [2024-10-31 22:18:32,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:32,534 INFO L124 PetriNetUnfolderBase]: 16/329 cut-off events. [2024-10-31 22:18:32,534 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:32,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 329 events. 16/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 760 event pairs, 16 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-10-31 22:18:32,537 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 14 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-10-31 22:18:32,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 193 transitions, 440 flow [2024-10-31 22:18:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-10-31 22:18:32,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430485762144054 [2024-10-31 22:18:32,541 INFO L175 Difference]: Start difference. First operand has 202 places, 194 transitions, 410 flow. Second operand 3 states and 563 transitions. [2024-10-31 22:18:32,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 193 transitions, 440 flow [2024-10-31 22:18:32,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:18:32,546 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 392 flow [2024-10-31 22:18:32,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2024-10-31 22:18:32,548 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -4 predicate places. [2024-10-31 22:18:32,548 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 392 flow [2024-10-31 22:18:32,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:32,549 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:32,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:32,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:32,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:32,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1671024064, now seen corresponding path program 1 times [2024-10-31 22:18:32,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:32,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966784118] [2024-10-31 22:18:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:32,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:32,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:32,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966784118] [2024-10-31 22:18:32,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966784118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:32,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:32,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:32,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389290571] [2024-10-31 22:18:32,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:32,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:32,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:32,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:32,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:32,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 199 [2024-10-31 22:18:32,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:32,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 199 [2024-10-31 22:18:32,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:32,763 INFO L124 PetriNetUnfolderBase]: 24/406 cut-off events. [2024-10-31 22:18:32,763 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:18:32,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 406 events. 24/406 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1205 event pairs, 24 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-10-31 22:18:32,767 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 15 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2024-10-31 22:18:32,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2024-10-31 22:18:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-10-31 22:18:32,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9296482412060302 [2024-10-31 22:18:32,772 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 392 flow. Second operand 3 states and 555 transitions. [2024-10-31 22:18:32,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2024-10-31 22:18:32,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:32,777 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 380 flow [2024-10-31 22:18:32,778 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2024-10-31 22:18:32,781 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -9 predicate places. [2024-10-31 22:18:32,781 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 380 flow [2024-10-31 22:18:32,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:32,783 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:32,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:32,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:32,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1346216130, now seen corresponding path program 1 times [2024-10-31 22:18:32,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180117029] [2024-10-31 22:18:32,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:33,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:33,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180117029] [2024-10-31 22:18:33,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180117029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:33,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:33,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:33,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294797350] [2024-10-31 22:18:33,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:33,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:33,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:33,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:33,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:33,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 199 [2024-10-31 22:18:33,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:33,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:33,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 199 [2024-10-31 22:18:33,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:34,353 INFO L124 PetriNetUnfolderBase]: 288/1159 cut-off events. [2024-10-31 22:18:34,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:34,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 1159 events. 288/1159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6281 event pairs, 288 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-10-31 22:18:34,361 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 58 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-10-31 22:18:34,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 187 transitions, 504 flow [2024-10-31 22:18:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:18:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:18:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2024-10-31 22:18:34,365 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7319932998324958 [2024-10-31 22:18:34,365 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 380 flow. Second operand 6 states and 874 transitions. [2024-10-31 22:18:34,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 187 transitions, 504 flow [2024-10-31 22:18:34,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:18:34,370 INFO L231 Difference]: Finished difference. Result has 196 places, 187 transitions, 387 flow [2024-10-31 22:18:34,370 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=196, PETRI_TRANSITIONS=187} [2024-10-31 22:18:34,373 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -6 predicate places. [2024-10-31 22:18:34,373 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 187 transitions, 387 flow [2024-10-31 22:18:34,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:34,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:34,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:34,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:18:34,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:34,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash 986575562, now seen corresponding path program 1 times [2024-10-31 22:18:34,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:34,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712152938] [2024-10-31 22:18:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:35,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712152938] [2024-10-31 22:18:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712152938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:35,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:35,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605013590] [2024-10-31 22:18:35,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:35,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:35,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:35,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:35,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:35,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 199 [2024-10-31 22:18:35,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 187 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:35,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:35,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 199 [2024-10-31 22:18:35,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:36,504 INFO L124 PetriNetUnfolderBase]: 316/1485 cut-off events. [2024-10-31 22:18:36,504 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:18:36,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1485 events. 316/1485 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9183 event pairs, 36 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-10-31 22:18:36,514 INFO L140 encePairwiseOnDemand]: 171/199 looper letters, 99 selfloop transitions, 70 changer transitions 0/299 dead transitions. [2024-10-31 22:18:36,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 299 transitions, 949 flow [2024-10-31 22:18:36,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:18:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:18:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1023 transitions. [2024-10-31 22:18:36,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8567839195979899 [2024-10-31 22:18:36,518 INFO L175 Difference]: Start difference. First operand has 196 places, 187 transitions, 387 flow. Second operand 6 states and 1023 transitions. [2024-10-31 22:18:36,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 299 transitions, 949 flow [2024-10-31 22:18:36,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 299 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:18:36,527 INFO L231 Difference]: Finished difference. Result has 200 places, 257 transitions, 855 flow [2024-10-31 22:18:36,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=855, PETRI_PLACES=200, PETRI_TRANSITIONS=257} [2024-10-31 22:18:36,530 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-10-31 22:18:36,531 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 257 transitions, 855 flow [2024-10-31 22:18:36,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:36,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:36,533 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:36,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:18:36,533 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:36,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1434126713, now seen corresponding path program 1 times [2024-10-31 22:18:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:36,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311437121] [2024-10-31 22:18:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:37,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:37,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311437121] [2024-10-31 22:18:37,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311437121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:37,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:37,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:37,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17555618] [2024-10-31 22:18:37,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:37,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:37,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:37,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:37,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:37,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 199 [2024-10-31 22:18:37,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 257 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:37,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:37,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 199 [2024-10-31 22:18:37,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:37,995 INFO L124 PetriNetUnfolderBase]: 588/2256 cut-off events. [2024-10-31 22:18:37,995 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-10-31 22:18:38,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2256 events. 588/2256 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15135 event pairs, 222 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-10-31 22:18:38,010 INFO L140 encePairwiseOnDemand]: 184/199 looper letters, 106 selfloop transitions, 48 changer transitions 0/308 dead transitions. [2024-10-31 22:18:38,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 308 transitions, 1335 flow [2024-10-31 22:18:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:18:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:18:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 960 transitions. [2024-10-31 22:18:38,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8040201005025126 [2024-10-31 22:18:38,014 INFO L175 Difference]: Start difference. First operand has 200 places, 257 transitions, 855 flow. Second operand 6 states and 960 transitions. [2024-10-31 22:18:38,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 308 transitions, 1335 flow [2024-10-31 22:18:38,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 308 transitions, 1335 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:18:38,025 INFO L231 Difference]: Finished difference. Result has 210 places, 300 transitions, 1243 flow [2024-10-31 22:18:38,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1243, PETRI_PLACES=210, PETRI_TRANSITIONS=300} [2024-10-31 22:18:38,026 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 8 predicate places. [2024-10-31 22:18:38,026 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 300 transitions, 1243 flow [2024-10-31 22:18:38,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:38,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:38,028 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:38,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:18:38,028 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:38,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:38,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1941046839, now seen corresponding path program 1 times [2024-10-31 22:18:38,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:38,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929096389] [2024-10-31 22:18:38,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:38,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:38,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:38,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929096389] [2024-10-31 22:18:38,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929096389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:38,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:38,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:38,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756807987] [2024-10-31 22:18:38,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:38,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:38,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:38,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:38,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:39,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 199 [2024-10-31 22:18:39,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 300 transitions, 1243 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:39,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:39,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 199 [2024-10-31 22:18:39,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:39,930 INFO L124 PetriNetUnfolderBase]: 754/2786 cut-off events. [2024-10-31 22:18:39,930 INFO L125 PetriNetUnfolderBase]: For 1613/1665 co-relation queries the response was YES. [2024-10-31 22:18:39,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6544 conditions, 2786 events. 754/2786 cut-off events. For 1613/1665 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19688 event pairs, 86 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 6468. Up to 1009 conditions per place. [2024-10-31 22:18:39,956 INFO L140 encePairwiseOnDemand]: 176/199 looper letters, 128 selfloop transitions, 136 changer transitions 4/440 dead transitions. [2024-10-31 22:18:39,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 440 transitions, 2535 flow [2024-10-31 22:18:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:18:39,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:18:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1018 transitions. [2024-10-31 22:18:39,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8525963149078727 [2024-10-31 22:18:39,961 INFO L175 Difference]: Start difference. First operand has 210 places, 300 transitions, 1243 flow. Second operand 6 states and 1018 transitions. [2024-10-31 22:18:39,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 440 transitions, 2535 flow [2024-10-31 22:18:39,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 440 transitions, 2517 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-10-31 22:18:40,017 INFO L231 Difference]: Finished difference. Result has 220 places, 431 transitions, 2591 flow [2024-10-31 22:18:40,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2591, PETRI_PLACES=220, PETRI_TRANSITIONS=431} [2024-10-31 22:18:40,019 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 18 predicate places. [2024-10-31 22:18:40,019 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 431 transitions, 2591 flow [2024-10-31 22:18:40,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:40,020 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:40,020 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:40,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:18:40,020 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:40,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:40,021 INFO L85 PathProgramCache]: Analyzing trace with hash -855917372, now seen corresponding path program 1 times [2024-10-31 22:18:40,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:40,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690274903] [2024-10-31 22:18:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:41,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:41,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690274903] [2024-10-31 22:18:41,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690274903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:41,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:41,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:18:41,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445292627] [2024-10-31 22:18:41,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:41,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:18:41,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:41,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:18:41,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:18:42,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-31 22:18:42,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 431 transitions, 2591 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:42,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:42,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-31 22:18:42,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:44,405 INFO L124 PetriNetUnfolderBase]: 1151/4146 cut-off events. [2024-10-31 22:18:44,406 INFO L125 PetriNetUnfolderBase]: For 5339/5438 co-relation queries the response was YES. [2024-10-31 22:18:44,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11912 conditions, 4146 events. 1151/4146 cut-off events. For 5339/5438 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 33236 event pairs, 94 based on Foata normal form. 35/4083 useless extension candidates. Maximal degree in co-relation 11828. Up to 880 conditions per place. [2024-10-31 22:18:44,441 INFO L140 encePairwiseOnDemand]: 162/199 looper letters, 349 selfloop transitions, 159 changer transitions 4/655 dead transitions. [2024-10-31 22:18:44,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 655 transitions, 5031 flow [2024-10-31 22:18:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:18:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-31 22:18:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2077 transitions. [2024-10-31 22:18:44,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7455132806891601 [2024-10-31 22:18:44,447 INFO L175 Difference]: Start difference. First operand has 220 places, 431 transitions, 2591 flow. Second operand 14 states and 2077 transitions. [2024-10-31 22:18:44,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 655 transitions, 5031 flow [2024-10-31 22:18:44,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 655 transitions, 4959 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-10-31 22:18:44,485 INFO L231 Difference]: Finished difference. Result has 243 places, 494 transitions, 3864 flow [2024-10-31 22:18:44,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=2555, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3864, PETRI_PLACES=243, PETRI_TRANSITIONS=494} [2024-10-31 22:18:44,487 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 41 predicate places. [2024-10-31 22:18:44,487 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 494 transitions, 3864 flow [2024-10-31 22:18:44,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:44,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:44,489 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:44,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:18:44,489 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:44,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1426410300, now seen corresponding path program 2 times [2024-10-31 22:18:44,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023898485] [2024-10-31 22:18:44,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:45,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:45,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023898485] [2024-10-31 22:18:45,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023898485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:45,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:45,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:18:45,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566112007] [2024-10-31 22:18:45,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:45,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:18:45,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:45,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:18:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:18:47,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-31 22:18:47,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 494 transitions, 3864 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:47,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:47,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-31 22:18:47,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:49,120 INFO L124 PetriNetUnfolderBase]: 1263/4513 cut-off events. [2024-10-31 22:18:49,121 INFO L125 PetriNetUnfolderBase]: For 9507/9604 co-relation queries the response was YES. [2024-10-31 22:18:49,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14418 conditions, 4513 events. 1263/4513 cut-off events. For 9507/9604 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 36339 event pairs, 93 based on Foata normal form. 39/4430 useless extension candidates. Maximal degree in co-relation 14320. Up to 891 conditions per place. [2024-10-31 22:18:49,185 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 440 selfloop transitions, 103 changer transitions 0/686 dead transitions. [2024-10-31 22:18:49,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 686 transitions, 6408 flow [2024-10-31 22:18:49,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-31 22:18:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-31 22:18:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2654 transitions. [2024-10-31 22:18:49,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.701930706162391 [2024-10-31 22:18:49,194 INFO L175 Difference]: Start difference. First operand has 243 places, 494 transitions, 3864 flow. Second operand 19 states and 2654 transitions. [2024-10-31 22:18:49,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 686 transitions, 6408 flow [2024-10-31 22:18:49,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 686 transitions, 6403 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:18:49,350 INFO L231 Difference]: Finished difference. Result has 267 places, 549 transitions, 4679 flow [2024-10-31 22:18:49,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=3859, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4679, PETRI_PLACES=267, PETRI_TRANSITIONS=549} [2024-10-31 22:18:49,353 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 65 predicate places. [2024-10-31 22:18:49,353 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 549 transitions, 4679 flow [2024-10-31 22:18:49,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:49,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:49,355 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:49,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:18:49,355 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-31 22:18:49,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1131412442, now seen corresponding path program 3 times [2024-10-31 22:18:49,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781211352] [2024-10-31 22:18:49,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:50,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:50,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781211352] [2024-10-31 22:18:50,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781211352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:50,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:50,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:18:50,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085928338] [2024-10-31 22:18:50,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:50,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:18:50,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:50,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:18:50,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156