./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/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_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/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_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:36,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:37,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:03:37,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:37,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:37,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:37,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:37,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:37,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:37,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:37,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:37,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:37,161 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:37,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:37,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:37,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:37,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:37,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:37,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:37,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:37,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:37,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:37,172 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:03:37,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:37,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:03:37,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:37,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:37,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:37,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:37,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:37,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:37,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:37,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:37,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:37,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:37,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:37,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:37,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:37,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:37,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:37,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:37,182 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_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2024-10-31 22:03:37,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:37,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:37,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:37,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:37,588 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:37,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c Unable to find full path for "g++" [2024-10-31 22:03:40,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:40,343 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:40,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-10-31 22:03:40,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/data/674ccfeee/d1b332fff7654b7db6091f87a97decb9/FLAG03e9de444 [2024-10-31 22:03:40,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/data/674ccfeee/d1b332fff7654b7db6091f87a97decb9 [2024-10-31 22:03:40,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:40,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:40,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:40,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:40,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:40,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:40" (1/1) ... [2024-10-31 22:03:40,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca5ed1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:40, skipping insertion in model container [2024-10-31 22:03:40,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:40" (1/1) ... [2024-10-31 22:03:40,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:41,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:41,094 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:41,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:41,191 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:41,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41 WrapperNode [2024-10-31 22:03:41,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:41,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:41,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:41,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:41,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,296 INFO L138 Inliner]: procedures = 27, calls = 60, calls flagged for inlining = 19, calls inlined = 27, statements flattened = 646 [2024-10-31 22:03:41,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:41,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:41,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:41,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:41,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:41,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:41,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:41,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:41,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (1/1) ... [2024-10-31 22:03:41,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:41,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:41,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:41,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c30d99-b5c4-4708-99f1-5c7fdf3080d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:03:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:03:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:03:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:03:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:03:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:03:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:03:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:03:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:03:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:03:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:03:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:03:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:03:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:03:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:41,568 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 22:03:41,819 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:41,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:43,346 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:03:43,346 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:44,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:44,004 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-31 22:03:44,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:44 BoogieIcfgContainer [2024-10-31 22:03:44,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:44,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:44,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:44,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:44,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:40" (1/3) ... [2024-10-31 22:03:44,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45664d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:44, skipping insertion in model container [2024-10-31 22:03:44,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:41" (2/3) ... [2024-10-31 22:03:44,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45664d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:44, skipping insertion in model container [2024-10-31 22:03:44,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:44" (3/3) ... [2024-10-31 22:03:44,020 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-10-31 22:03:44,044 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:44,045 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-10-31 22:03:44,045 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:03:44,296 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:03:44,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 602 places, 628 transitions, 1277 flow [2024-10-31 22:03:44,751 INFO L124 PetriNetUnfolderBase]: 36/625 cut-off events. [2024-10-31 22:03:44,751 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:03:44,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 625 events. 36/625 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2017 event pairs, 0 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 501. Up to 2 conditions per place. [2024-10-31 22:03:44,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 602 places, 628 transitions, 1277 flow [2024-10-31 22:03:44,793 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 583 places, 608 transitions, 1234 flow [2024-10-31 22:03:44,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:44,820 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;@714b8727, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:44,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 148 error locations. [2024-10-31 22:03:44,830 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:03:44,831 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-31 22:03:44,831 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:03:44,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:44,832 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] [2024-10-31 22:03:44,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:03:44,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:44,840 INFO L85 PathProgramCache]: Analyzing trace with hash 446584910, now seen corresponding path program 1 times [2024-10-31 22:03:44,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:44,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15909717] [2024-10-31 22:03:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:44,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:45,099 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 22:03:45,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:45,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15909717] [2024-10-31 22:03:45,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15909717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:45,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:45,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:45,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458608513] [2024-10-31 22:03:45,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:45,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:45,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:45,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:45,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:45,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 628 [2024-10-31 22:03:45,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 608 transitions, 1234 flow. Second operand has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 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 22:03:45,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:45,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 628 [2024-10-31 22:03:45,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:46,450 INFO L124 PetriNetUnfolderBase]: 109/1733 cut-off events. [2024-10-31 22:03:46,450 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:03:46,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1862 conditions, 1733 events. 109/1733 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11037 event pairs, 38 based on Foata normal form. 60/1483 useless extension candidates. Maximal degree in co-relation 1064. Up to 92 conditions per place. [2024-10-31 22:03:46,481 INFO L140 encePairwiseOnDemand]: 580/628 looper letters, 16 selfloop transitions, 2 changer transitions 8/562 dead transitions. [2024-10-31 22:03:46,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 562 transitions, 1178 flow [2024-10-31 22:03:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1747 transitions. [2024-10-31 22:03:46,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272823779193206 [2024-10-31 22:03:46,511 INFO L175 Difference]: Start difference. First operand has 583 places, 608 transitions, 1234 flow. Second operand 3 states and 1747 transitions. [2024-10-31 22:03:46,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 562 transitions, 1178 flow [2024-10-31 22:03:46,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 562 transitions, 1166 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:03:46,534 INFO L231 Difference]: Finished difference. Result has 551 places, 554 transitions, 1118 flow [2024-10-31 22:03:46,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=551, PETRI_TRANSITIONS=554} [2024-10-31 22:03:46,545 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -32 predicate places. [2024-10-31 22:03:46,546 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 554 transitions, 1118 flow [2024-10-31 22:03:46,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 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 22:03:46,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:46,548 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:46,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:46,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:03:46,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:46,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1489206321, now seen corresponding path program 1 times [2024-10-31 22:03:46,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:46,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268783554] [2024-10-31 22:03:46,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:46,610 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 22:03:46,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:46,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268783554] [2024-10-31 22:03:46,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268783554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:46,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:46,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:46,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413819634] [2024-10-31 22:03:46,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:46,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:46,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:46,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:46,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:46,685 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 628 [2024-10-31 22:03:46,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 554 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 561.3333333333334) internal successors, (1684), 3 states have internal predecessors, (1684), 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 22:03:46,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:46,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 628 [2024-10-31 22:03:46,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:47,388 INFO L124 PetriNetUnfolderBase]: 86/1298 cut-off events. [2024-10-31 22:03:47,389 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:03:47,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 1298 events. 86/1298 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7149 event pairs, 34 based on Foata normal form. 0/1077 useless extension candidates. Maximal degree in co-relation 1366. Up to 86 conditions per place. [2024-10-31 22:03:47,413 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 17 selfloop transitions, 2 changer transitions 0/553 dead transitions. [2024-10-31 22:03:47,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 553 transitions, 1154 flow [2024-10-31 22:03:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1700 transitions. [2024-10-31 22:03:47,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9023354564755839 [2024-10-31 22:03:47,420 INFO L175 Difference]: Start difference. First operand has 551 places, 554 transitions, 1118 flow. Second operand 3 states and 1700 transitions. [2024-10-31 22:03:47,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 553 transitions, 1154 flow [2024-10-31 22:03:47,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 553 transitions, 1150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:47,431 INFO L231 Difference]: Finished difference. Result has 542 places, 553 transitions, 1116 flow [2024-10-31 22:03:47,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=542, PETRI_TRANSITIONS=553} [2024-10-31 22:03:47,433 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -41 predicate places. [2024-10-31 22:03:47,433 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 553 transitions, 1116 flow [2024-10-31 22:03:47,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 561.3333333333334) internal successors, (1684), 3 states have internal predecessors, (1684), 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 22:03:47,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:47,435 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] [2024-10-31 22:03:47,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:03:47,436 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:03:47,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:47,436 INFO L85 PathProgramCache]: Analyzing trace with hash -314863344, now seen corresponding path program 1 times [2024-10-31 22:03:47,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:47,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104683226] [2024-10-31 22:03:47,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:47,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:47,542 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 22:03:47,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:47,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104683226] [2024-10-31 22:03:47,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104683226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:47,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:47,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:47,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711473005] [2024-10-31 22:03:47,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:47,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:47,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:47,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:47,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:47,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 628 [2024-10-31 22:03:47,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 553 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 557.0) internal successors, (1671), 3 states have internal predecessors, (1671), 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 22:03:47,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:47,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 628 [2024-10-31 22:03:47,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:48,133 INFO L124 PetriNetUnfolderBase]: 131/1654 cut-off events. [2024-10-31 22:03:48,133 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-31 22:03:48,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 1654 events. 131/1654 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10555 event pairs, 59 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 1768. Up to 137 conditions per place. [2024-10-31 22:03:48,177 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 19 selfloop transitions, 1 changer transitions 0/548 dead transitions. [2024-10-31 22:03:48,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 548 transitions, 1146 flow [2024-10-31 22:03:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1693 transitions. [2024-10-31 22:03:48,183 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.898619957537155 [2024-10-31 22:03:48,184 INFO L175 Difference]: Start difference. First operand has 542 places, 553 transitions, 1116 flow. Second operand 3 states and 1693 transitions. [2024-10-31 22:03:48,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 548 transitions, 1146 flow [2024-10-31 22:03:48,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 548 transitions, 1142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:48,223 INFO L231 Difference]: Finished difference. Result has 537 places, 548 transitions, 1104 flow [2024-10-31 22:03:48,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=537, PETRI_TRANSITIONS=548} [2024-10-31 22:03:48,225 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -46 predicate places. [2024-10-31 22:03:48,226 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 548 transitions, 1104 flow [2024-10-31 22:03:48,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 557.0) internal successors, (1671), 3 states have internal predecessors, (1671), 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 22:03:48,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:48,227 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] [2024-10-31 22:03:48,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:03:48,228 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:03:48,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:48,229 INFO L85 PathProgramCache]: Analyzing trace with hash 275107440, now seen corresponding path program 1 times [2024-10-31 22:03:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:48,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253650809] [2024-10-31 22:03:48,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:49,160 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 22:03:49,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:49,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253650809] [2024-10-31 22:03:49,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253650809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:49,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:49,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:49,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133496709] [2024-10-31 22:03:49,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:49,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:49,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:49,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:49,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:50,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 628 [2024-10-31 22:03:50,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 548 transitions, 1104 flow. Second operand has 6 states, 6 states have (on average 479.5) internal successors, (2877), 6 states have internal predecessors, (2877), 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 22:03:50,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:50,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 628 [2024-10-31 22:03:50,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:02,795 INFO L124 PetriNetUnfolderBase]: 17464/53206 cut-off events. [2024-10-31 22:04:02,795 INFO L125 PetriNetUnfolderBase]: For 683/683 co-relation queries the response was YES. [2024-10-31 22:04:03,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76235 conditions, 53206 events. 17464/53206 cut-off events. For 683/683 co-relation queries the response was YES. Maximal size of possible extension queue 2012. Compared 708215 event pairs, 11951 based on Foata normal form. 0/43312 useless extension candidates. Maximal degree in co-relation 76194. Up to 22668 conditions per place. [2024-10-31 22:04:03,602 INFO L140 encePairwiseOnDemand]: 610/628 looper letters, 85 selfloop transitions, 15 changer transitions 0/545 dead transitions. [2024-10-31 22:04:03,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 545 transitions, 1298 flow [2024-10-31 22:04:03,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2971 transitions. [2024-10-31 22:04:03,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7884819532908705 [2024-10-31 22:04:03,623 INFO L175 Difference]: Start difference. First operand has 537 places, 548 transitions, 1104 flow. Second operand 6 states and 2971 transitions. [2024-10-31 22:04:03,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 545 transitions, 1298 flow [2024-10-31 22:04:03,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 545 transitions, 1297 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:04:03,652 INFO L231 Difference]: Finished difference. Result has 538 places, 545 transitions, 1127 flow [2024-10-31 22:04:03,653 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1127, PETRI_PLACES=538, PETRI_TRANSITIONS=545} [2024-10-31 22:04:03,654 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -45 predicate places. [2024-10-31 22:04:03,658 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 545 transitions, 1127 flow [2024-10-31 22:04:03,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 479.5) internal successors, (2877), 6 states have internal predecessors, (2877), 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 22:04:03,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:03,661 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] [2024-10-31 22:04:03,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:04:03,661 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:04:03,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash -500616809, now seen corresponding path program 1 times [2024-10-31 22:04:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:03,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738162199] [2024-10-31 22:04:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:03,743 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 22:04:03,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:03,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738162199] [2024-10-31 22:04:03,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738162199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:03,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:03,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:03,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793850650] [2024-10-31 22:04:03,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:03,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:03,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:03,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:03,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:03,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 628 [2024-10-31 22:04:03,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 545 transitions, 1127 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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 22:04:03,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:03,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 628 [2024-10-31 22:04:03,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:04,689 INFO L124 PetriNetUnfolderBase]: 287/2846 cut-off events. [2024-10-31 22:04:04,689 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-10-31 22:04:04,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3191 conditions, 2846 events. 287/2846 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 22915 event pairs, 135 based on Foata normal form. 0/2353 useless extension candidates. Maximal degree in co-relation 3149. Up to 304 conditions per place. [2024-10-31 22:04:04,731 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 18 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2024-10-31 22:04:04,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 544 transitions, 1165 flow [2024-10-31 22:04:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:04,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2024-10-31 22:04:04,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9012738853503185 [2024-10-31 22:04:04,739 INFO L175 Difference]: Start difference. First operand has 538 places, 545 transitions, 1127 flow. Second operand 3 states and 1698 transitions. [2024-10-31 22:04:04,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 544 transitions, 1165 flow [2024-10-31 22:04:04,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 544 transitions, 1135 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:04:04,881 INFO L231 Difference]: Finished difference. Result has 534 places, 544 transitions, 1099 flow [2024-10-31 22:04:04,882 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=534, PETRI_TRANSITIONS=544} [2024-10-31 22:04:04,882 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -49 predicate places. [2024-10-31 22:04:04,883 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 544 transitions, 1099 flow [2024-10-31 22:04:04,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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 22:04:04,884 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:04,884 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:04,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:04:04,885 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:04:04,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:04,885 INFO L85 PathProgramCache]: Analyzing trace with hash 643569636, now seen corresponding path program 1 times [2024-10-31 22:04:04,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:04,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398007274] [2024-10-31 22:04:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:04,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:04,937 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 22:04:04,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:04,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398007274] [2024-10-31 22:04:04,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398007274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:04,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:04,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:04,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757606176] [2024-10-31 22:04:04,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:04,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:04,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:04,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 628 [2024-10-31 22:04:04,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 544 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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 22:04:04,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:04,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 628 [2024-10-31 22:04:04,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:05,684 INFO L124 PetriNetUnfolderBase]: 224/2337 cut-off events. [2024-10-31 22:04:05,685 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-31 22:04:05,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2609 conditions, 2337 events. 224/2337 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 19054 event pairs, 135 based on Foata normal form. 0/1937 useless extension candidates. Maximal degree in co-relation 2567. Up to 244 conditions per place. [2024-10-31 22:04:05,711 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 18 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2024-10-31 22:04:05,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 543 transitions, 1137 flow [2024-10-31 22:04:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2024-10-31 22:04:05,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9012738853503185 [2024-10-31 22:04:05,718 INFO L175 Difference]: Start difference. First operand has 534 places, 544 transitions, 1099 flow. Second operand 3 states and 1698 transitions. [2024-10-31 22:04:05,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 543 transitions, 1137 flow [2024-10-31 22:04:05,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 543 transitions, 1133 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:04:05,728 INFO L231 Difference]: Finished difference. Result has 533 places, 543 transitions, 1097 flow [2024-10-31 22:04:05,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1097, PETRI_PLACES=533, PETRI_TRANSITIONS=543} [2024-10-31 22:04:05,730 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -50 predicate places. [2024-10-31 22:04:05,730 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 543 transitions, 1097 flow [2024-10-31 22:04:05,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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 22:04:05,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:05,732 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] [2024-10-31 22:04:05,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:04:05,733 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:04:05,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash 541136287, now seen corresponding path program 1 times [2024-10-31 22:04:05,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:05,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723243438] [2024-10-31 22:04:05,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:05,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:05,786 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 22:04:05,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:05,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723243438] [2024-10-31 22:04:05,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723243438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:05,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:05,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:05,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146691144] [2024-10-31 22:04:05,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:05,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:05,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:05,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:05,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:05,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 628 [2024-10-31 22:04:05,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 543 transitions, 1097 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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 22:04:05,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:05,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 628 [2024-10-31 22:04:05,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:06,435 INFO L124 PetriNetUnfolderBase]: 113/1520 cut-off events. [2024-10-31 22:04:06,435 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 22:04:06,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1655 conditions, 1520 events. 113/1520 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9689 event pairs, 56 based on Foata normal form. 0/1273 useless extension candidates. Maximal degree in co-relation 1613. Up to 115 conditions per place. [2024-10-31 22:04:06,457 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 18 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2024-10-31 22:04:06,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 542 transitions, 1135 flow [2024-10-31 22:04:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2024-10-31 22:04:06,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9012738853503185 [2024-10-31 22:04:06,465 INFO L175 Difference]: Start difference. First operand has 533 places, 543 transitions, 1097 flow. Second operand 3 states and 1698 transitions. [2024-10-31 22:04:06,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 542 transitions, 1135 flow [2024-10-31 22:04:06,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 542 transitions, 1131 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:04:06,474 INFO L231 Difference]: Finished difference. Result has 532 places, 542 transitions, 1095 flow [2024-10-31 22:04:06,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1095, PETRI_PLACES=532, PETRI_TRANSITIONS=542} [2024-10-31 22:04:06,477 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -51 predicate places. [2024-10-31 22:04:06,477 INFO L471 AbstractCegarLoop]: Abstraction has has 532 places, 542 transitions, 1095 flow [2024-10-31 22:04:06,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 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 22:04:06,480 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:06,480 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] [2024-10-31 22:04:06,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:04:06,480 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:04:06,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1552241408, now seen corresponding path program 1 times [2024-10-31 22:04:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:06,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853292970] [2024-10-31 22:04:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:06,551 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 22:04:06,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:06,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853292970] [2024-10-31 22:04:06,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853292970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:06,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:06,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:06,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612544004] [2024-10-31 22:04:06,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:06,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:06,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:06,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:06,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:06,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 628 [2024-10-31 22:04:06,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 542 transitions, 1095 flow. Second operand has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 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 22:04:06,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:06,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 628 [2024-10-31 22:04:06,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:07,254 INFO L124 PetriNetUnfolderBase]: 113/1519 cut-off events. [2024-10-31 22:04:07,255 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 22:04:07,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 1519 events. 113/1519 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9859 event pairs, 56 based on Foata normal form. 0/1277 useless extension candidates. Maximal degree in co-relation 1610. Up to 113 conditions per place. [2024-10-31 22:04:07,274 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 16 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2024-10-31 22:04:07,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 541 transitions, 1129 flow [2024-10-31 22:04:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1702 transitions. [2024-10-31 22:04:07,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9033970276008493 [2024-10-31 22:04:07,280 INFO L175 Difference]: Start difference. First operand has 532 places, 542 transitions, 1095 flow. Second operand 3 states and 1702 transitions. [2024-10-31 22:04:07,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 541 transitions, 1129 flow [2024-10-31 22:04:07,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 541 transitions, 1125 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:04:07,289 INFO L231 Difference]: Finished difference. Result has 531 places, 541 transitions, 1093 flow [2024-10-31 22:04:07,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1093, PETRI_PLACES=531, PETRI_TRANSITIONS=541} [2024-10-31 22:04:07,294 INFO L277 CegarLoopForPetriNet]: 583 programPoint places, -52 predicate places. [2024-10-31 22:04:07,295 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 541 transitions, 1093 flow [2024-10-31 22:04:07,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 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 22:04:07,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:07,297 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] [2024-10-31 22:04:07,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:04:07,297 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2024-10-31 22:04:07,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:07,298 INFO L85 PathProgramCache]: Analyzing trace with hash -542175939, now seen corresponding path program 1 times [2024-10-31 22:04:07,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:07,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2185368] [2024-10-31 22:04:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:07,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:07,365 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 22:04:07,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:07,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2185368] [2024-10-31 22:04:07,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2185368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:07,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:07,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:07,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717086652] [2024-10-31 22:04:07,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:07,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:07,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:07,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:07,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 628 [2024-10-31 22:04:07,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 541 transitions, 1093 flow. Second operand has 3 states, 3 states have (on average 554.0) internal successors, (1662), 3 states have internal predecessors, (1662), 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 22:04:07,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:07,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 628 [2024-10-31 22:04:07,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand