./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/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_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/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_50c45898-b4dc-46a0-9d03-e2dc15d9f116/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 b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:27,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:27,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:04:27,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:27,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:27,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:27,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:27,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:27,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:27,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:27,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:27,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:27,501 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:27,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:27,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:27,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:04:27,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:27,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:04:27,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:27,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:27,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:27,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:27,507 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:04:27,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:27,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:04:27,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:04:27,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:27,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:27,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:27,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:27,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:27,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:27,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:27,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:27,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:27,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:27,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:27,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:27,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:27,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:27,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:27,519 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_50c45898-b4dc-46a0-9d03-e2dc15d9f116/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2024-10-31 22:04:27,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:27,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:27,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:27,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:27,803 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:27,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i Unable to find full path for "g++" [2024-10-31 22:04:30,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:30,362 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:30,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-10-31 22:04:30,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/data/40f2846cb/e66ff8904d4b42a6a18c65af8f55a845/FLAG169a5f776 [2024-10-31 22:04:30,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/data/40f2846cb/e66ff8904d4b42a6a18c65af8f55a845 [2024-10-31 22:04:30,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:30,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:30,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:30,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:30,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:30,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:30" (1/1) ... [2024-10-31 22:04:30,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa3732b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:30, skipping insertion in model container [2024-10-31 22:04:30,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:30" (1/1) ... [2024-10-31 22:04:30,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:31,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:31,605 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:31,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:31,916 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:31,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31 WrapperNode [2024-10-31 22:04:31,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:31,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:31,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:31,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:31,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:31,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,028 INFO L138 Inliner]: procedures = 372, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 417 [2024-10-31 22:04:32,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:32,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:32,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:32,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:32,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:32,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:32,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:32,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:32,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:32,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:32,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:32,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:04:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-31 22:04:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:04:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:04:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:04:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:04:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:04:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:04:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:04:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:04:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:04:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:32,212 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 22:04:32,437 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:32,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:33,430 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:04:33,431 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:33,514 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:33,515 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:04:33,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:33 BoogieIcfgContainer [2024-10-31 22:04:33,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:33,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:33,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:33,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:33,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:30" (1/3) ... [2024-10-31 22:04:33,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645659d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:33, skipping insertion in model container [2024-10-31 22:04:33,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31" (2/3) ... [2024-10-31 22:04:33,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645659d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:33, skipping insertion in model container [2024-10-31 22:04:33,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:33" (3/3) ... [2024-10-31 22:04:33,543 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2024-10-31 22:04:33,565 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:33,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-31 22:04:33,566 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:04:33,731 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:04:33,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 488 places, 489 transitions, 982 flow [2024-10-31 22:04:34,077 INFO L124 PetriNetUnfolderBase]: 5/488 cut-off events. [2024-10-31 22:04:34,077 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:34,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 488 events. 5/488 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 360. Up to 2 conditions per place. [2024-10-31 22:04:34,086 INFO L82 GeneralOperation]: Start removeDead. Operand has 488 places, 489 transitions, 982 flow [2024-10-31 22:04:34,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 487 places, 488 transitions, 979 flow [2024-10-31 22:04:34,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:34,117 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;@3d2f010c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:34,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-10-31 22:04:34,144 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:04:34,144 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events. [2024-10-31 22:04:34,144 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:34,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:34,146 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 22:04:34,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:34,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:34,152 INFO L85 PathProgramCache]: Analyzing trace with hash -888137657, now seen corresponding path program 1 times [2024-10-31 22:04:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467348415] [2024-10-31 22:04:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:34,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:35,331 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 22:04:35,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:35,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467348415] [2024-10-31 22:04:35,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467348415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:35,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:35,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415541002] [2024-10-31 22:04:35,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:35,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:35,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:35,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:35,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:36,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 489 [2024-10-31 22:04:36,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 488 transitions, 979 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 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 22:04:36,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:36,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 489 [2024-10-31 22:04:36,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:37,124 INFO L124 PetriNetUnfolderBase]: 365/1833 cut-off events. [2024-10-31 22:04:37,124 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:04:37,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 1833 events. 365/1833 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9430 event pairs, 364 based on Foata normal form. 13/1708 useless extension candidates. Maximal degree in co-relation 2247. Up to 842 conditions per place. [2024-10-31 22:04:37,137 INFO L140 encePairwiseOnDemand]: 461/489 looper letters, 113 selfloop transitions, 20 changer transitions 2/480 dead transitions. [2024-10-31 22:04:37,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 480 transitions, 1229 flow [2024-10-31 22:04:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2229 transitions. [2024-10-31 22:04:37,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7597137014314929 [2024-10-31 22:04:37,163 INFO L175 Difference]: Start difference. First operand has 487 places, 488 transitions, 979 flow. Second operand 6 states and 2229 transitions. [2024-10-31 22:04:37,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 480 transitions, 1229 flow [2024-10-31 22:04:37,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 480 transitions, 1228 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:04:37,181 INFO L231 Difference]: Finished difference. Result has 487 places, 478 transitions, 998 flow [2024-10-31 22:04:37,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=998, PETRI_PLACES=487, PETRI_TRANSITIONS=478} [2024-10-31 22:04:37,191 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 0 predicate places. [2024-10-31 22:04:37,191 INFO L471 AbstractCegarLoop]: Abstraction has has 487 places, 478 transitions, 998 flow [2024-10-31 22:04:37,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 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 22:04:37,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:37,193 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] [2024-10-31 22:04:37,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:04:37,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:37,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:37,196 INFO L85 PathProgramCache]: Analyzing trace with hash -30494442, now seen corresponding path program 1 times [2024-10-31 22:04:37,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:37,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015404363] [2024-10-31 22:04:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:37,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:37,861 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 22:04:37,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:37,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015404363] [2024-10-31 22:04:37,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015404363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:37,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:37,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:37,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779757762] [2024-10-31 22:04:37,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:37,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:37,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:37,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:37,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:39,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 489 [2024-10-31 22:04:39,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 478 transitions, 998 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 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 22:04:39,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:39,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 489 [2024-10-31 22:04:39,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:39,970 INFO L124 PetriNetUnfolderBase]: 365/1827 cut-off events. [2024-10-31 22:04:39,971 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:39,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2713 conditions, 1827 events. 365/1827 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9415 event pairs, 364 based on Foata normal form. 0/1695 useless extension candidates. Maximal degree in co-relation 2333. Up to 842 conditions per place. [2024-10-31 22:04:39,987 INFO L140 encePairwiseOnDemand]: 465/489 looper letters, 113 selfloop transitions, 20 changer transitions 0/474 dead transitions. [2024-10-31 22:04:39,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 474 transitions, 1256 flow [2024-10-31 22:04:39,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2225 transitions. [2024-10-31 22:04:39,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7583503749147921 [2024-10-31 22:04:39,994 INFO L175 Difference]: Start difference. First operand has 487 places, 478 transitions, 998 flow. Second operand 6 states and 2225 transitions. [2024-10-31 22:04:39,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 474 transitions, 1256 flow [2024-10-31 22:04:40,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 474 transitions, 1216 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:40,008 INFO L231 Difference]: Finished difference. Result has 481 places, 474 transitions, 990 flow [2024-10-31 22:04:40,010 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=990, PETRI_PLACES=481, PETRI_TRANSITIONS=474} [2024-10-31 22:04:40,010 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -6 predicate places. [2024-10-31 22:04:40,011 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 474 transitions, 990 flow [2024-10-31 22:04:40,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 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 22:04:40,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:40,013 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] [2024-10-31 22:04:40,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:04:40,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:40,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:40,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1819143829, now seen corresponding path program 1 times [2024-10-31 22:04:40,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:40,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753923850] [2024-10-31 22:04:40,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:40,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:40,714 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 22:04:40,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:40,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753923850] [2024-10-31 22:04:40,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753923850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:40,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:40,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:40,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768166829] [2024-10-31 22:04:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:40,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:41,857 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 489 [2024-10-31 22:04:41,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 474 transitions, 990 flow. Second operand has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 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 22:04:41,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:41,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 489 [2024-10-31 22:04:41,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:42,304 INFO L124 PetriNetUnfolderBase]: 391/1916 cut-off events. [2024-10-31 22:04:42,305 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:04:42,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1916 events. 391/1916 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10208 event pairs, 390 based on Foata normal form. 0/1778 useless extension candidates. Maximal degree in co-relation 2460. Up to 911 conditions per place. [2024-10-31 22:04:42,314 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 130 selfloop transitions, 5 changer transitions 0/473 dead transitions. [2024-10-31 22:04:42,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 473 transitions, 1258 flow [2024-10-31 22:04:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2230 transitions. [2024-10-31 22:04:42,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7600545330606681 [2024-10-31 22:04:42,320 INFO L175 Difference]: Start difference. First operand has 481 places, 474 transitions, 990 flow. Second operand 6 states and 2230 transitions. [2024-10-31 22:04:42,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 473 transitions, 1258 flow [2024-10-31 22:04:42,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 473 transitions, 1218 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:42,329 INFO L231 Difference]: Finished difference. Result has 480 places, 473 transitions, 958 flow [2024-10-31 22:04:42,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=958, PETRI_PLACES=480, PETRI_TRANSITIONS=473} [2024-10-31 22:04:42,331 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -7 predicate places. [2024-10-31 22:04:42,332 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 473 transitions, 958 flow [2024-10-31 22:04:42,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 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 22:04:42,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:42,334 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:42,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:04:42,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:42,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:42,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2049311674, now seen corresponding path program 1 times [2024-10-31 22:04:42,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:42,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41562704] [2024-10-31 22:04:42,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:42,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:42,460 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 22:04:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41562704] [2024-10-31 22:04:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41562704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:42,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:42,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:04:42,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597214828] [2024-10-31 22:04:42,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:42,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:42,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:42,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:42,509 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 489 [2024-10-31 22:04:42,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 473 transitions, 958 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 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 22:04:42,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:42,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 489 [2024-10-31 22:04:42,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:42,654 INFO L124 PetriNetUnfolderBase]: 7/658 cut-off events. [2024-10-31 22:04:42,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:42,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 658 events. 7/658 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 635 event pairs, 6 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 496. Up to 24 conditions per place. [2024-10-31 22:04:42,657 INFO L140 encePairwiseOnDemand]: 486/489 looper letters, 10 selfloop transitions, 2 changer transitions 0/474 dead transitions. [2024-10-31 22:04:42,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 474 transitions, 984 flow [2024-10-31 22:04:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-10-31 22:04:42,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.978186775732788 [2024-10-31 22:04:42,663 INFO L175 Difference]: Start difference. First operand has 480 places, 473 transitions, 958 flow. Second operand 3 states and 1435 transitions. [2024-10-31 22:04:42,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 474 transitions, 984 flow [2024-10-31 22:04:42,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 474 transitions, 974 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:42,676 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 960 flow [2024-10-31 22:04:42,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=960, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-10-31 22:04:42,678 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-10-31 22:04:42,679 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 960 flow [2024-10-31 22:04:42,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 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 22:04:42,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:42,681 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:42,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:04:42,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:42,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:42,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1304451798, now seen corresponding path program 1 times [2024-10-31 22:04:42,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:42,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83944668] [2024-10-31 22:04:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:42,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:43,612 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 22:04:43,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:43,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83944668] [2024-10-31 22:04:43,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83944668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:43,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:43,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:43,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445297921] [2024-10-31 22:04:43,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:43,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:43,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:43,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:43,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:45,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 489 [2024-10-31 22:04:45,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 960 flow. Second operand has 6 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 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 22:04:45,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:45,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 489 [2024-10-31 22:04:45,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:45,417 INFO L124 PetriNetUnfolderBase]: 55/899 cut-off events. [2024-10-31 22:04:45,418 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:04:45,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 899 events. 55/899 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2253 event pairs, 54 based on Foata normal form. 0/839 useless extension candidates. Maximal degree in co-relation 924. Up to 227 conditions per place. [2024-10-31 22:04:45,422 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 89 selfloop transitions, 5 changer transitions 0/473 dead transitions. [2024-10-31 22:04:45,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 473 transitions, 1146 flow [2024-10-31 22:04:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2440 transitions. [2024-10-31 22:04:45,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8316291751874574 [2024-10-31 22:04:45,429 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 960 flow. Second operand 6 states and 2440 transitions. [2024-10-31 22:04:45,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 473 transitions, 1146 flow [2024-10-31 22:04:45,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 473 transitions, 1144 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:04:45,439 INFO L231 Difference]: Finished difference. Result has 481 places, 473 transitions, 966 flow [2024-10-31 22:04:45,440 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=956, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=481, PETRI_TRANSITIONS=473} [2024-10-31 22:04:45,440 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -6 predicate places. [2024-10-31 22:04:45,441 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 473 transitions, 966 flow [2024-10-31 22:04:45,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 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 22:04:45,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:45,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:45,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:04:45,444 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:45,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:45,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1118460176, now seen corresponding path program 1 times [2024-10-31 22:04:45,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:45,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60945966] [2024-10-31 22:04:45,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:45,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:46,283 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 22:04:46,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:46,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60945966] [2024-10-31 22:04:46,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60945966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:46,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:46,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:46,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808239466] [2024-10-31 22:04:46,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:46,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:46,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:46,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:46,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:47,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 489 [2024-10-31 22:04:47,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 473 transitions, 966 flow. Second operand has 6 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 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 22:04:47,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:47,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 489 [2024-10-31 22:04:47,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:47,949 INFO L124 PetriNetUnfolderBase]: 37/812 cut-off events. [2024-10-31 22:04:47,949 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:04:47,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 812 events. 37/812 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1733 event pairs, 36 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 792. Up to 198 conditions per place. [2024-10-31 22:04:47,953 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 93 selfloop transitions, 15 changer transitions 0/470 dead transitions. [2024-10-31 22:04:47,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 470 transitions, 1176 flow [2024-10-31 22:04:47,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2355 transitions. [2024-10-31 22:04:47,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8026584867075665 [2024-10-31 22:04:47,961 INFO L175 Difference]: Start difference. First operand has 481 places, 473 transitions, 966 flow. Second operand 6 states and 2355 transitions. [2024-10-31 22:04:47,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 470 transitions, 1176 flow [2024-10-31 22:04:47,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 470 transitions, 1166 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:47,971 INFO L231 Difference]: Finished difference. Result has 478 places, 470 transitions, 980 flow [2024-10-31 22:04:47,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=980, PETRI_PLACES=478, PETRI_TRANSITIONS=470} [2024-10-31 22:04:47,974 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-10-31 22:04:47,976 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 470 transitions, 980 flow [2024-10-31 22:04:47,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 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 22:04:47,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:47,978 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:47,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:04:47,979 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:47,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:47,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1527179138, now seen corresponding path program 1 times [2024-10-31 22:04:47,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:47,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854334039] [2024-10-31 22:04:47,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:47,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:48,897 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 22:04:48,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:48,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854334039] [2024-10-31 22:04:48,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854334039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:48,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:48,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:48,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462458039] [2024-10-31 22:04:48,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:48,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:48,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:48,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:48,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:49,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 489 [2024-10-31 22:04:49,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 470 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 342.1666666666667) internal successors, (2053), 6 states have internal predecessors, (2053), 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 22:04:49,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:49,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 489 [2024-10-31 22:04:49,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:50,678 INFO L124 PetriNetUnfolderBase]: 365/1925 cut-off events. [2024-10-31 22:04:50,679 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:04:50,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2872 conditions, 1925 events. 365/1925 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9371 event pairs, 364 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2485. Up to 898 conditions per place. [2024-10-31 22:04:50,689 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 131 selfloop transitions, 15 changer transitions 0/467 dead transitions. [2024-10-31 22:04:50,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 467 transitions, 1266 flow [2024-10-31 22:04:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2165 transitions. [2024-10-31 22:04:50,695 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7379004771642809 [2024-10-31 22:04:50,695 INFO L175 Difference]: Start difference. First operand has 478 places, 470 transitions, 980 flow. Second operand 6 states and 2165 transitions. [2024-10-31 22:04:50,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 467 transitions, 1266 flow [2024-10-31 22:04:50,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 467 transitions, 1236 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:50,705 INFO L231 Difference]: Finished difference. Result has 475 places, 467 transitions, 974 flow [2024-10-31 22:04:50,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=974, PETRI_PLACES=475, PETRI_TRANSITIONS=467} [2024-10-31 22:04:50,707 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -12 predicate places. [2024-10-31 22:04:50,708 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 467 transitions, 974 flow [2024-10-31 22:04:50,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 342.1666666666667) internal successors, (2053), 6 states have internal predecessors, (2053), 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 22:04:50,709 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:50,709 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:50,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:04:50,710 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:50,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:50,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1851008217, now seen corresponding path program 1 times [2024-10-31 22:04:50,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:50,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27883312] [2024-10-31 22:04:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:51,517 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 22:04:51,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:51,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27883312] [2024-10-31 22:04:51,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27883312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:51,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:51,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:51,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534664431] [2024-10-31 22:04:51,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:51,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:51,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:51,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:51,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:52,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 489 [2024-10-31 22:04:52,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 467 transitions, 974 flow. Second operand has 6 states, 6 states have (on average 345.6666666666667) internal successors, (2074), 6 states have internal predecessors, (2074), 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 22:04:52,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:52,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 489 [2024-10-31 22:04:52,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:53,106 INFO L124 PetriNetUnfolderBase]: 365/1921 cut-off events. [2024-10-31 22:04:53,107 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:04:53,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2864 conditions, 1921 events. 365/1921 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9355 event pairs, 364 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2481. Up to 894 conditions per place. [2024-10-31 22:04:53,115 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 128 selfloop transitions, 15 changer transitions 0/464 dead transitions. [2024-10-31 22:04:53,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 464 transitions, 1254 flow [2024-10-31 22:04:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2180 transitions. [2024-10-31 22:04:53,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7430129516019086 [2024-10-31 22:04:53,121 INFO L175 Difference]: Start difference. First operand has 475 places, 467 transitions, 974 flow. Second operand 6 states and 2180 transitions. [2024-10-31 22:04:53,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 464 transitions, 1254 flow [2024-10-31 22:04:53,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 464 transitions, 1224 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:53,129 INFO L231 Difference]: Finished difference. Result has 472 places, 464 transitions, 968 flow [2024-10-31 22:04:53,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=968, PETRI_PLACES=472, PETRI_TRANSITIONS=464} [2024-10-31 22:04:53,133 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -15 predicate places. [2024-10-31 22:04:53,134 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 464 transitions, 968 flow [2024-10-31 22:04:53,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 345.6666666666667) internal successors, (2074), 6 states have internal predecessors, (2074), 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 22:04:53,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:53,136 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:53,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:04:53,136 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:53,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:53,141 INFO L85 PathProgramCache]: Analyzing trace with hash 979827259, now seen corresponding path program 1 times [2024-10-31 22:04:53,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:53,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836522653] [2024-10-31 22:04:53,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:53,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:53,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836522653] [2024-10-31 22:04:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836522653] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:04:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853087212] [2024-10-31 22:04:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:53,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:04:53,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:53,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:04:53,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:04:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:53,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:04:53,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:04:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:54,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:04:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:54,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853087212] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:04:54,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:04:54,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-31 22:04:54,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369284678] [2024-10-31 22:04:54,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:04:54,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:04:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:54,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:04:54,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:04:54,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-10-31 22:04:54,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 464 transitions, 968 flow. Second operand has 10 states, 10 states have (on average 472.8) internal successors, (4728), 10 states have internal predecessors, (4728), 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 22:04:54,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:54,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-10-31 22:04:54,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:55,074 INFO L124 PetriNetUnfolderBase]: 7/752 cut-off events. [2024-10-31 22:04:55,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:55,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 752 events. 7/752 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 389 event pairs, 6 based on Foata normal form. 2/732 useless extension candidates. Maximal degree in co-relation 394. Up to 24 conditions per place. [2024-10-31 22:04:55,078 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 14 selfloop transitions, 9 changer transitions 0/472 dead transitions. [2024-10-31 22:04:55,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 472 transitions, 1032 flow [2024-10-31 22:04:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:04:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:04:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4264 transitions. [2024-10-31 22:04:55,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688707112019995 [2024-10-31 22:04:55,091 INFO L175 Difference]: Start difference. First operand has 472 places, 464 transitions, 968 flow. Second operand 9 states and 4264 transitions. [2024-10-31 22:04:55,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 472 transitions, 1032 flow [2024-10-31 22:04:55,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1002 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:55,105 INFO L231 Difference]: Finished difference. Result has 478 places, 470 transitions, 988 flow [2024-10-31 22:04:55,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=988, PETRI_PLACES=478, PETRI_TRANSITIONS=470} [2024-10-31 22:04:55,107 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-10-31 22:04:55,107 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 470 transitions, 988 flow [2024-10-31 22:04:55,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 472.8) internal successors, (4728), 10 states have internal predecessors, (4728), 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 22:04:55,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:55,112 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:55,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:04:55,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:04:55,314 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-31 22:04:55,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash 656329597, now seen corresponding path program 2 times [2024-10-31 22:04:55,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:55,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707922540] [2024-10-31 22:04:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:55,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:56,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707922540] [2024-10-31 22:04:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707922540] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:04:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574367511] [2024-10-31 22:04:56,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:04:56,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:04:56,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:56,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:04:56,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c45898-b4dc-46a0-9d03-e2dc15d9f116/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process