./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-4.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_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/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_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/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_7946fbaa-d804-4f1e-962a-4b5fe05420b8/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 bb07434636f33664cc09ed992a41516efeea5f96121c916fb8904844e76d9fcd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:55:59,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:55:59,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 21:55:59,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:55:59,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:55:59,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:55:59,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:55:59,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:55:59,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:55:59,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:55:59,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:55:59,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:55:59,980 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:55:59,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:55:59,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:55:59,983 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:55:59,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:55:59,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:55:59,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:55:59,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:55:59,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:55:59,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:55:59,989 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 21:55:59,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:55:59,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:55:59,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:55:59,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:55:59,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:55:59,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:55:59,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:55:59,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:55:59,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:59,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:55:59,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:55:59,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:55:59,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:55:59,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:55:59,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:55:59,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:55:59,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:55:59,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:55:59,996 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_7946fbaa-d804-4f1e-962a-4b5fe05420b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb07434636f33664cc09ed992a41516efeea5f96121c916fb8904844e76d9fcd [2024-10-31 21:56:00,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:00,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:00,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:00,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:00,391 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:00,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/unroll-4.wvr.c Unable to find full path for "g++" [2024-10-31 21:56:02,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:02,846 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:02,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/sv-benchmarks/c/weaver/unroll-4.wvr.c [2024-10-31 21:56:02,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/data/9d35f0b1d/e42f2d89c8964d02b7607396ed6f2219/FLAG011932ed3 [2024-10-31 21:56:03,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/data/9d35f0b1d/e42f2d89c8964d02b7607396ed6f2219 [2024-10-31 21:56:03,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:03,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:03,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:03,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:03,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:03,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291d3fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03, skipping insertion in model container [2024-10-31 21:56:03,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:03,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:03,691 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:03,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:03,787 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:03,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03 WrapperNode [2024-10-31 21:56:03,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:03,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:03,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:03,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:03,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,902 INFO L138 Inliner]: procedures = 23, calls = 27, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 297 [2024-10-31 21:56:03,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:03,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:03,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:03,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:03,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:03,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:03,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:03,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:03,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:04,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:04,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:04,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 21:56:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 21:56:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 21:56:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 21:56:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:56:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 21:56:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:56:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 21:56:04,068 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 21:56:04,227 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:04,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:04,976 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:56:04,977 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:05,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:05,021 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:56:05,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:05 BoogieIcfgContainer [2024-10-31 21:56:05,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:05,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:05,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:05,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:05,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:03" (1/3) ... [2024-10-31 21:56:05,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd6ba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:05, skipping insertion in model container [2024-10-31 21:56:05,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03" (2/3) ... [2024-10-31 21:56:05,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd6ba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:05, skipping insertion in model container [2024-10-31 21:56:05,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:05" (3/3) ... [2024-10-31 21:56:05,036 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2024-10-31 21:56:05,056 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:05,057 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2024-10-31 21:56:05,058 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:56:05,222 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 21:56:05,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 380 places, 394 transitions, 802 flow [2024-10-31 21:56:05,606 INFO L124 PetriNetUnfolderBase]: 21/392 cut-off events. [2024-10-31 21:56:05,606 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:56:05,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 392 events. 21/392 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 502 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2024-10-31 21:56:05,621 INFO L82 GeneralOperation]: Start removeDead. Operand has 380 places, 394 transitions, 802 flow [2024-10-31 21:56:05,635 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 362 places, 375 transitions, 762 flow [2024-10-31 21:56:05,648 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:05,657 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;@3c200d46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:05,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2024-10-31 21:56:05,666 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:56:05,667 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-31 21:56:05,668 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:56:05,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:05,669 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] [2024-10-31 21:56:05,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:05,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2113386772, now seen corresponding path program 1 times [2024-10-31 21:56:05,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:05,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418661279] [2024-10-31 21:56:05,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:05,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:05,912 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 21:56:05,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418661279] [2024-10-31 21:56:05,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418661279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:05,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:05,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:05,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509690679] [2024-10-31 21:56:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:05,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:05,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:05,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,030 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 394 [2024-10-31 21:56:06,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 375 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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 21:56:06,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:06,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 394 [2024-10-31 21:56:06,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:06,214 INFO L124 PetriNetUnfolderBase]: 15/470 cut-off events. [2024-10-31 21:56:06,215 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-31 21:56:06,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 470 events. 15/470 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1043 event pairs, 3 based on Foata normal form. 12/398 useless extension candidates. Maximal degree in co-relation 365. Up to 19 conditions per place. [2024-10-31 21:56:06,226 INFO L140 encePairwiseOnDemand]: 379/394 looper letters, 10 selfloop transitions, 2 changer transitions 4/362 dead transitions. [2024-10-31 21:56:06,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 362 transitions, 760 flow [2024-10-31 21:56:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1123 transitions. [2024-10-31 21:56:06,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9500846023688664 [2024-10-31 21:56:06,254 INFO L175 Difference]: Start difference. First operand has 362 places, 375 transitions, 762 flow. Second operand 3 states and 1123 transitions. [2024-10-31 21:56:06,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 362 transitions, 760 flow [2024-10-31 21:56:06,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 362 transitions, 752 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:56:06,270 INFO L231 Difference]: Finished difference. Result has 359 places, 358 transitions, 724 flow [2024-10-31 21:56:06,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=359, PETRI_TRANSITIONS=358} [2024-10-31 21:56:06,279 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -3 predicate places. [2024-10-31 21:56:06,280 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 358 transitions, 724 flow [2024-10-31 21:56:06,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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 21:56:06,281 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:06,281 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] [2024-10-31 21:56:06,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:56:06,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:06,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:06,284 INFO L85 PathProgramCache]: Analyzing trace with hash 285541915, now seen corresponding path program 1 times [2024-10-31 21:56:06,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:06,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859294440] [2024-10-31 21:56:06,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:06,382 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 21:56:06,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:06,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859294440] [2024-10-31 21:56:06,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859294440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:06,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:06,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:06,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139750289] [2024-10-31 21:56:06,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:06,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:06,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 394 [2024-10-31 21:56:06,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 358 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 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 21:56:06,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:06,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 394 [2024-10-31 21:56:06,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:06,613 INFO L124 PetriNetUnfolderBase]: 22/558 cut-off events. [2024-10-31 21:56:06,613 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 21:56:06,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 558 events. 22/558 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1379 event pairs, 9 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 572. Up to 33 conditions per place. [2024-10-31 21:56:06,620 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 14 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-10-31 21:56:06,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 754 flow [2024-10-31 21:56:06,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:06,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1103 transitions. [2024-10-31 21:56:06,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331641285956007 [2024-10-31 21:56:06,625 INFO L175 Difference]: Start difference. First operand has 359 places, 358 transitions, 724 flow. Second operand 3 states and 1103 transitions. [2024-10-31 21:56:06,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 754 flow [2024-10-31 21:56:06,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 357 transitions, 750 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:06,636 INFO L231 Difference]: Finished difference. Result has 354 places, 357 transitions, 722 flow [2024-10-31 21:56:06,636 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=354, PETRI_TRANSITIONS=357} [2024-10-31 21:56:06,637 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -8 predicate places. [2024-10-31 21:56:06,637 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 357 transitions, 722 flow [2024-10-31 21:56:06,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 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 21:56:06,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:06,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:06,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:56:06,640 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:06,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:06,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1575332167, now seen corresponding path program 1 times [2024-10-31 21:56:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:06,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166999689] [2024-10-31 21:56:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:06,716 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 21:56:06,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:06,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166999689] [2024-10-31 21:56:06,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166999689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:06,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:06,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:06,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585039828] [2024-10-31 21:56:06,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:06,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:06,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:06,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:06,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 394 [2024-10-31 21:56:06,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 357 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 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 21:56:06,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:06,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 394 [2024-10-31 21:56:06,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:07,109 INFO L124 PetriNetUnfolderBase]: 79/1186 cut-off events. [2024-10-31 21:56:07,110 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-31 21:56:07,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 1186 events. 79/1186 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5155 event pairs, 26 based on Foata normal form. 0/968 useless extension candidates. Maximal degree in co-relation 1257. Up to 97 conditions per place. [2024-10-31 21:56:07,125 INFO L140 encePairwiseOnDemand]: 386/394 looper letters, 18 selfloop transitions, 1 changer transitions 0/350 dead transitions. [2024-10-31 21:56:07,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 350 transitions, 746 flow [2024-10-31 21:56:07,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2024-10-31 21:56:07,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9204737732656514 [2024-10-31 21:56:07,131 INFO L175 Difference]: Start difference. First operand has 354 places, 357 transitions, 722 flow. Second operand 3 states and 1088 transitions. [2024-10-31 21:56:07,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 350 transitions, 746 flow [2024-10-31 21:56:07,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 350 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:07,139 INFO L231 Difference]: Finished difference. Result has 347 places, 350 transitions, 706 flow [2024-10-31 21:56:07,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=347, PETRI_TRANSITIONS=350} [2024-10-31 21:56:07,141 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -15 predicate places. [2024-10-31 21:56:07,141 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 350 transitions, 706 flow [2024-10-31 21:56:07,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 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 21:56:07,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:07,144 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] [2024-10-31 21:56:07,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:56:07,144 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:07,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash -254542847, now seen corresponding path program 1 times [2024-10-31 21:56:07,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710338184] [2024-10-31 21:56:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:07,290 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 21:56:07,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:07,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710338184] [2024-10-31 21:56:07,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710338184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:07,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:07,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:07,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845870070] [2024-10-31 21:56:07,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:07,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:07,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:07,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:07,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:07,346 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 394 [2024-10-31 21:56:07,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 350 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 21:56:07,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:07,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 394 [2024-10-31 21:56:07,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:07,469 INFO L124 PetriNetUnfolderBase]: 22/546 cut-off events. [2024-10-31 21:56:07,469 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 21:56:07,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 546 events. 22/546 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1351 event pairs, 9 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 549. Up to 31 conditions per place. [2024-10-31 21:56:07,474 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 12 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2024-10-31 21:56:07,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 349 transitions, 732 flow [2024-10-31 21:56:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1107 transitions. [2024-10-31 21:56:07,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9365482233502538 [2024-10-31 21:56:07,479 INFO L175 Difference]: Start difference. First operand has 347 places, 350 transitions, 706 flow. Second operand 3 states and 1107 transitions. [2024-10-31 21:56:07,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 349 transitions, 732 flow [2024-10-31 21:56:07,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 349 transitions, 731 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:56:07,486 INFO L231 Difference]: Finished difference. Result has 347 places, 349 transitions, 707 flow [2024-10-31 21:56:07,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=707, PETRI_PLACES=347, PETRI_TRANSITIONS=349} [2024-10-31 21:56:07,489 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -15 predicate places. [2024-10-31 21:56:07,489 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 349 transitions, 707 flow [2024-10-31 21:56:07,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 21:56:07,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:07,490 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] [2024-10-31 21:56:07,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:56:07,491 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:07,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:07,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1167785419, now seen corresponding path program 1 times [2024-10-31 21:56:07,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:07,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206135349] [2024-10-31 21:56:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:07,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:08,221 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 21:56:08,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:08,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206135349] [2024-10-31 21:56:08,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206135349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:08,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:08,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:08,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842343690] [2024-10-31 21:56:08,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:08,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:08,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:08,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 394 [2024-10-31 21:56:08,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 349 transitions, 707 flow. Second operand has 6 states, 6 states have (on average 343.5) internal successors, (2061), 6 states have internal predecessors, (2061), 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 21:56:08,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:08,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 394 [2024-10-31 21:56:08,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:08,909 INFO L124 PetriNetUnfolderBase]: 154/1466 cut-off events. [2024-10-31 21:56:08,909 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-10-31 21:56:08,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1722 conditions, 1466 events. 154/1466 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7322 event pairs, 84 based on Foata normal form. 0/1218 useless extension candidates. Maximal degree in co-relation 1687. Up to 240 conditions per place. [2024-10-31 21:56:08,926 INFO L140 encePairwiseOnDemand]: 388/394 looper letters, 32 selfloop transitions, 5 changer transitions 0/348 dead transitions. [2024-10-31 21:56:08,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 348 transitions, 779 flow [2024-10-31 21:56:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:56:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2090 transitions. [2024-10-31 21:56:08,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8840947546531303 [2024-10-31 21:56:08,932 INFO L175 Difference]: Start difference. First operand has 347 places, 349 transitions, 707 flow. Second operand 6 states and 2090 transitions. [2024-10-31 21:56:08,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 348 transitions, 779 flow [2024-10-31 21:56:08,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 348 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:08,941 INFO L231 Difference]: Finished difference. Result has 349 places, 348 transitions, 711 flow [2024-10-31 21:56:08,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=349, PETRI_TRANSITIONS=348} [2024-10-31 21:56:08,945 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -13 predicate places. [2024-10-31 21:56:08,946 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 348 transitions, 711 flow [2024-10-31 21:56:08,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 343.5) internal successors, (2061), 6 states have internal predecessors, (2061), 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 21:56:08,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:08,949 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] [2024-10-31 21:56:08,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:56:08,949 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:08,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:08,953 INFO L85 PathProgramCache]: Analyzing trace with hash 799416866, now seen corresponding path program 1 times [2024-10-31 21:56:08,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:08,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531521713] [2024-10-31 21:56:08,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:08,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,013 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 21:56:09,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531521713] [2024-10-31 21:56:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531521713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:09,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932409319] [2024-10-31 21:56:09,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:09,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:09,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:09,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 394 [2024-10-31 21:56:09,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 348 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 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 21:56:09,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:09,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 394 [2024-10-31 21:56:09,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:09,243 INFO L124 PetriNetUnfolderBase]: 36/989 cut-off events. [2024-10-31 21:56:09,243 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 21:56:09,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 989 events. 36/989 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3984 event pairs, 8 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 1017. Up to 32 conditions per place. [2024-10-31 21:56:09,251 INFO L140 encePairwiseOnDemand]: 390/394 looper letters, 10 selfloop transitions, 1 changer transitions 0/345 dead transitions. [2024-10-31 21:56:09,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 345 transitions, 727 flow [2024-10-31 21:56:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1112 transitions. [2024-10-31 21:56:09,255 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9407783417935702 [2024-10-31 21:56:09,256 INFO L175 Difference]: Start difference. First operand has 349 places, 348 transitions, 711 flow. Second operand 3 states and 1112 transitions. [2024-10-31 21:56:09,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 345 transitions, 727 flow [2024-10-31 21:56:09,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 345 transitions, 717 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:56:09,266 INFO L231 Difference]: Finished difference. Result has 343 places, 345 transitions, 697 flow [2024-10-31 21:56:09,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=343, PETRI_TRANSITIONS=345} [2024-10-31 21:56:09,268 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -19 predicate places. [2024-10-31 21:56:09,269 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 345 transitions, 697 flow [2024-10-31 21:56:09,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 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 21:56:09,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:09,271 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] [2024-10-31 21:56:09,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:56:09,272 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:09,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:09,272 INFO L85 PathProgramCache]: Analyzing trace with hash -113942645, now seen corresponding path program 1 times [2024-10-31 21:56:09,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:09,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148209360] [2024-10-31 21:56:09,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:09,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,344 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 21:56:09,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148209360] [2024-10-31 21:56:09,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148209360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:09,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189566416] [2024-10-31 21:56:09,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:09,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:09,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:09,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 394 [2024-10-31 21:56:09,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 345 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 21:56:09,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:09,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 394 [2024-10-31 21:56:09,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:09,461 INFO L124 PetriNetUnfolderBase]: 18/396 cut-off events. [2024-10-31 21:56:09,462 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:56:09,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 396 events. 18/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 683 event pairs, 1 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 404. Up to 21 conditions per place. [2024-10-31 21:56:09,466 INFO L140 encePairwiseOnDemand]: 387/394 looper letters, 11 selfloop transitions, 3 changer transitions 0/342 dead transitions. [2024-10-31 21:56:09,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 342 transitions, 720 flow [2024-10-31 21:56:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1107 transitions. [2024-10-31 21:56:09,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9365482233502538 [2024-10-31 21:56:09,469 INFO L175 Difference]: Start difference. First operand has 343 places, 345 transitions, 697 flow. Second operand 3 states and 1107 transitions. [2024-10-31 21:56:09,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 342 transitions, 720 flow [2024-10-31 21:56:09,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 342 transitions, 719 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:56:09,476 INFO L231 Difference]: Finished difference. Result has 340 places, 341 transitions, 694 flow [2024-10-31 21:56:09,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=340, PETRI_TRANSITIONS=341} [2024-10-31 21:56:09,477 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -22 predicate places. [2024-10-31 21:56:09,477 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 341 transitions, 694 flow [2024-10-31 21:56:09,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 21:56:09,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:09,479 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] [2024-10-31 21:56:09,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:56:09,479 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:09,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1157917648, now seen corresponding path program 1 times [2024-10-31 21:56:09,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:09,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352726391] [2024-10-31 21:56:09,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:09,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,522 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 21:56:09,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352726391] [2024-10-31 21:56:09,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352726391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:09,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660030510] [2024-10-31 21:56:09,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:09,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:09,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 394 [2024-10-31 21:56:09,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 341 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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 21:56:09,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:09,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 394 [2024-10-31 21:56:09,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:09,706 INFO L124 PetriNetUnfolderBase]: 40/488 cut-off events. [2024-10-31 21:56:09,706 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-10-31 21:56:09,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 488 events. 40/488 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1384 event pairs, 4 based on Foata normal form. 1/445 useless extension candidates. Maximal degree in co-relation 552. Up to 73 conditions per place. [2024-10-31 21:56:09,710 INFO L140 encePairwiseOnDemand]: 372/394 looper letters, 24 selfloop transitions, 8 changer transitions 4/329 dead transitions. [2024-10-31 21:56:09,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 329 transitions, 739 flow [2024-10-31 21:56:09,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-10-31 21:56:09,713 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8849407783417935 [2024-10-31 21:56:09,713 INFO L175 Difference]: Start difference. First operand has 340 places, 341 transitions, 694 flow. Second operand 3 states and 1046 transitions. [2024-10-31 21:56:09,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 329 transitions, 739 flow [2024-10-31 21:56:09,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 329 transitions, 733 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:09,720 INFO L231 Difference]: Finished difference. Result has 327 places, 324 transitions, 669 flow [2024-10-31 21:56:09,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=327, PETRI_TRANSITIONS=324} [2024-10-31 21:56:09,722 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -35 predicate places. [2024-10-31 21:56:09,722 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 324 transitions, 669 flow [2024-10-31 21:56:09,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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 21:56:09,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:09,723 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 21:56:09,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:56:09,724 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:09,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:09,724 INFO L85 PathProgramCache]: Analyzing trace with hash -534917259, now seen corresponding path program 1 times [2024-10-31 21:56:09,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:09,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259817830] [2024-10-31 21:56:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:09,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,768 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 21:56:09,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259817830] [2024-10-31 21:56:09,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259817830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:09,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772069517] [2024-10-31 21:56:09,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:09,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:09,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:09,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 394 [2024-10-31 21:56:09,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 324 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 361.3333333333333) internal successors, (1084), 3 states have internal predecessors, (1084), 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 21:56:09,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:09,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 394 [2024-10-31 21:56:09,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:09,984 INFO L124 PetriNetUnfolderBase]: 71/991 cut-off events. [2024-10-31 21:56:09,984 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-31 21:56:09,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 991 events. 71/991 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3929 event pairs, 8 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1088. Up to 86 conditions per place. [2024-10-31 21:56:09,991 INFO L140 encePairwiseOnDemand]: 387/394 looper letters, 16 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-10-31 21:56:09,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 323 transitions, 705 flow [2024-10-31 21:56:09,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1103 transitions. [2024-10-31 21:56:09,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331641285956007 [2024-10-31 21:56:09,994 INFO L175 Difference]: Start difference. First operand has 327 places, 324 transitions, 669 flow. Second operand 3 states and 1103 transitions. [2024-10-31 21:56:09,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 323 transitions, 705 flow [2024-10-31 21:56:09,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 323 transitions, 689 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:10,001 INFO L231 Difference]: Finished difference. Result has 319 places, 321 transitions, 657 flow [2024-10-31 21:56:10,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=657, PETRI_PLACES=319, PETRI_TRANSITIONS=321} [2024-10-31 21:56:10,003 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2024-10-31 21:56:10,003 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 321 transitions, 657 flow [2024-10-31 21:56:10,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.3333333333333) internal successors, (1084), 3 states have internal predecessors, (1084), 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 21:56:10,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:10,004 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 21:56:10,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:56:10,005 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:10,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash 553704475, now seen corresponding path program 1 times [2024-10-31 21:56:10,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:10,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418698684] [2024-10-31 21:56:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:10,120 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 21:56:10,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418698684] [2024-10-31 21:56:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418698684] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:10,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:10,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:10,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440911847] [2024-10-31 21:56:10,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:10,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:10,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:10,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:10,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 394 [2024-10-31 21:56:10,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 321 transitions, 657 flow. Second operand has 4 states, 4 states have (on average 370.25) internal successors, (1481), 4 states have internal predecessors, (1481), 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 21:56:10,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:10,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 394 [2024-10-31 21:56:10,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:10,400 INFO L124 PetriNetUnfolderBase]: 44/1153 cut-off events. [2024-10-31 21:56:10,400 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:56:10,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 1153 events. 44/1153 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4404 event pairs, 3 based on Foata normal form. 0/1041 useless extension candidates. Maximal degree in co-relation 1188. Up to 18 conditions per place. [2024-10-31 21:56:10,408 INFO L140 encePairwiseOnDemand]: 388/394 looper letters, 13 selfloop transitions, 6 changer transitions 0/330 dead transitions. [2024-10-31 21:56:10,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 330 transitions, 717 flow [2024-10-31 21:56:10,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 21:56:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1865 transitions. [2024-10-31 21:56:10,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9467005076142132 [2024-10-31 21:56:10,413 INFO L175 Difference]: Start difference. First operand has 319 places, 321 transitions, 657 flow. Second operand 5 states and 1865 transitions. [2024-10-31 21:56:10,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 330 transitions, 717 flow [2024-10-31 21:56:10,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 330 transitions, 717 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:56:10,419 INFO L231 Difference]: Finished difference. Result has 326 places, 325 transitions, 695 flow [2024-10-31 21:56:10,420 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=695, PETRI_PLACES=326, PETRI_TRANSITIONS=325} [2024-10-31 21:56:10,420 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -36 predicate places. [2024-10-31 21:56:10,420 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 325 transitions, 695 flow [2024-10-31 21:56:10,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 370.25) internal successors, (1481), 4 states have internal predecessors, (1481), 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 21:56:10,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:10,422 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] [2024-10-31 21:56:10,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 21:56:10,422 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:10,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:10,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2135923734, now seen corresponding path program 1 times [2024-10-31 21:56:10,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:10,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507305040] [2024-10-31 21:56:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:11,054 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 21:56:11,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:11,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507305040] [2024-10-31 21:56:11,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507305040] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:11,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:11,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:11,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984702293] [2024-10-31 21:56:11,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:11,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:11,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:11,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:11,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:11,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 394 [2024-10-31 21:56:11,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 325 transitions, 695 flow. Second operand has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 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 21:56:11,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:11,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 394 [2024-10-31 21:56:11,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:11,693 INFO L124 PetriNetUnfolderBase]: 38/895 cut-off events. [2024-10-31 21:56:11,693 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-31 21:56:11,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 895 events. 38/895 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2805 event pairs, 2 based on Foata normal form. 0/816 useless extension candidates. Maximal degree in co-relation 951. Up to 17 conditions per place. [2024-10-31 21:56:11,700 INFO L140 encePairwiseOnDemand]: 388/394 looper letters, 15 selfloop transitions, 6 changer transitions 0/328 dead transitions. [2024-10-31 21:56:11,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 328 transitions, 747 flow [2024-10-31 21:56:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:56:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2193 transitions. [2024-10-31 21:56:11,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9276649746192893 [2024-10-31 21:56:11,705 INFO L175 Difference]: Start difference. First operand has 326 places, 325 transitions, 695 flow. Second operand 6 states and 2193 transitions. [2024-10-31 21:56:11,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 328 transitions, 747 flow [2024-10-31 21:56:11,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 328 transitions, 747 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:56:11,713 INFO L231 Difference]: Finished difference. Result has 330 places, 324 transitions, 705 flow [2024-10-31 21:56:11,713 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=705, PETRI_PLACES=330, PETRI_TRANSITIONS=324} [2024-10-31 21:56:11,714 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -32 predicate places. [2024-10-31 21:56:11,714 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 324 transitions, 705 flow [2024-10-31 21:56:11,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 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 21:56:11,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:11,717 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] [2024-10-31 21:56:11,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 21:56:11,719 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:11,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash 195604909, now seen corresponding path program 1 times [2024-10-31 21:56:11,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025256949] [2024-10-31 21:56:11,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:11,858 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 21:56:11,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:11,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025256949] [2024-10-31 21:56:11,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025256949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:11,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:11,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:11,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030362899] [2024-10-31 21:56:11,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:11,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:11,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:11,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:11,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 394 [2024-10-31 21:56:11,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 324 transitions, 705 flow. Second operand has 4 states, 4 states have (on average 367.5) internal successors, (1470), 4 states have internal predecessors, (1470), 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 21:56:11,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:11,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 394 [2024-10-31 21:56:11,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:12,248 INFO L124 PetriNetUnfolderBase]: 56/1124 cut-off events. [2024-10-31 21:56:12,248 INFO L125 PetriNetUnfolderBase]: For 34/35 co-relation queries the response was YES. [2024-10-31 21:56:12,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 1124 events. 56/1124 cut-off events. For 34/35 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4923 event pairs, 6 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 1226. Up to 60 conditions per place. [2024-10-31 21:56:12,256 INFO L140 encePairwiseOnDemand]: 388/394 looper letters, 15 selfloop transitions, 6 changer transitions 0/332 dead transitions. [2024-10-31 21:56:12,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 332 transitions, 766 flow [2024-10-31 21:56:12,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 21:56:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1852 transitions. [2024-10-31 21:56:12,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9401015228426396 [2024-10-31 21:56:12,261 INFO L175 Difference]: Start difference. First operand has 330 places, 324 transitions, 705 flow. Second operand 5 states and 1852 transitions. [2024-10-31 21:56:12,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 332 transitions, 766 flow [2024-10-31 21:56:12,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 332 transitions, 754 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:56:12,268 INFO L231 Difference]: Finished difference. Result has 332 places, 328 transitions, 731 flow [2024-10-31 21:56:12,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=731, PETRI_PLACES=332, PETRI_TRANSITIONS=328} [2024-10-31 21:56:12,269 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -30 predicate places. [2024-10-31 21:56:12,269 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 328 transitions, 731 flow [2024-10-31 21:56:12,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 367.5) internal successors, (1470), 4 states have internal predecessors, (1470), 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 21:56:12,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:12,271 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] [2024-10-31 21:56:12,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 21:56:12,271 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:12,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,272 INFO L85 PathProgramCache]: Analyzing trace with hash -652877159, now seen corresponding path program 1 times [2024-10-31 21:56:12,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054942435] [2024-10-31 21:56:12,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,323 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 21:56:12,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:12,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054942435] [2024-10-31 21:56:12,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054942435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:12,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:12,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:12,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732616297] [2024-10-31 21:56:12,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:12,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:12,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:12,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:12,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:12,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 394 [2024-10-31 21:56:12,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 328 transitions, 731 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 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 21:56:12,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:12,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 394 [2024-10-31 21:56:12,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:12,526 INFO L124 PetriNetUnfolderBase]: 34/820 cut-off events. [2024-10-31 21:56:12,526 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-31 21:56:12,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 820 events. 34/820 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2214 event pairs, 10 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 908. Up to 29 conditions per place. [2024-10-31 21:56:12,538 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 9 selfloop transitions, 2 changer transitions 0/328 dead transitions. [2024-10-31 21:56:12,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 328 transitions, 754 flow [2024-10-31 21:56:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1113 transitions. [2024-10-31 21:56:12,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9416243654822335 [2024-10-31 21:56:12,545 INFO L175 Difference]: Start difference. First operand has 332 places, 328 transitions, 731 flow. Second operand 3 states and 1113 transitions. [2024-10-31 21:56:12,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 328 transitions, 754 flow [2024-10-31 21:56:12,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 328 transitions, 754 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:56:12,554 INFO L231 Difference]: Finished difference. Result has 333 places, 327 transitions, 733 flow [2024-10-31 21:56:12,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=733, PETRI_PLACES=333, PETRI_TRANSITIONS=327} [2024-10-31 21:56:12,556 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -29 predicate places. [2024-10-31 21:56:12,556 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 327 transitions, 733 flow [2024-10-31 21:56:12,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 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 21:56:12,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:12,560 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] [2024-10-31 21:56:12,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 21:56:12,560 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:12,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1719053253, now seen corresponding path program 1 times [2024-10-31 21:56:12,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213727225] [2024-10-31 21:56:12,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,148 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 21:56:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213727225] [2024-10-31 21:56:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213727225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:13,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:13,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149033021] [2024-10-31 21:56:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:13,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:13,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 394 [2024-10-31 21:56:13,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 327 transitions, 733 flow. Second operand has 6 states, 6 states have (on average 342.6666666666667) internal successors, (2056), 6 states have internal predecessors, (2056), 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 21:56:13,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:13,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 394 [2024-10-31 21:56:13,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:13,896 INFO L124 PetriNetUnfolderBase]: 86/976 cut-off events. [2024-10-31 21:56:13,897 INFO L125 PetriNetUnfolderBase]: For 79/80 co-relation queries the response was YES. [2024-10-31 21:56:13,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1283 conditions, 976 events. 86/976 cut-off events. For 79/80 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4721 event pairs, 10 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 1235. Up to 70 conditions per place. [2024-10-31 21:56:13,905 INFO L140 encePairwiseOnDemand]: 370/394 looper letters, 18 selfloop transitions, 21 changer transitions 0/327 dead transitions. [2024-10-31 21:56:13,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 327 transitions, 815 flow [2024-10-31 21:56:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:56:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2088 transitions. [2024-10-31 21:56:13,912 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.883248730964467 [2024-10-31 21:56:13,912 INFO L175 Difference]: Start difference. First operand has 333 places, 327 transitions, 733 flow. Second operand 6 states and 2088 transitions. [2024-10-31 21:56:13,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 327 transitions, 815 flow [2024-10-31 21:56:13,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 327 transitions, 811 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:13,928 INFO L231 Difference]: Finished difference. Result has 332 places, 323 transitions, 763 flow [2024-10-31 21:56:13,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=763, PETRI_PLACES=332, PETRI_TRANSITIONS=323} [2024-10-31 21:56:13,929 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -30 predicate places. [2024-10-31 21:56:13,929 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 323 transitions, 763 flow [2024-10-31 21:56:13,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 342.6666666666667) internal successors, (2056), 6 states have internal predecessors, (2056), 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 21:56:13,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:13,934 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] [2024-10-31 21:56:13,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 21:56:13,935 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:13,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1373033982, now seen corresponding path program 1 times [2024-10-31 21:56:13,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608336956] [2024-10-31 21:56:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:13,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:13,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608336956] [2024-10-31 21:56:13,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608336956] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:13,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:13,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:13,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936968240] [2024-10-31 21:56:13,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:13,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:13,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:13,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:13,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:14,090 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 394 [2024-10-31 21:56:14,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 323 transitions, 763 flow. Second operand has 3 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 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 21:56:14,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:14,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 394 [2024-10-31 21:56:14,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:14,434 INFO L124 PetriNetUnfolderBase]: 76/1111 cut-off events. [2024-10-31 21:56:14,434 INFO L125 PetriNetUnfolderBase]: For 78/79 co-relation queries the response was YES. [2024-10-31 21:56:14,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1482 conditions, 1111 events. 76/1111 cut-off events. For 78/79 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5249 event pairs, 42 based on Foata normal form. 0/1044 useless extension candidates. Maximal degree in co-relation 1436. Up to 142 conditions per place. [2024-10-31 21:56:14,451 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 21 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-10-31 21:56:14,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 323 transitions, 810 flow [2024-10-31 21:56:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2024-10-31 21:56:14,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213197969543148 [2024-10-31 21:56:14,457 INFO L175 Difference]: Start difference. First operand has 332 places, 323 transitions, 763 flow. Second operand 3 states and 1089 transitions. [2024-10-31 21:56:14,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 323 transitions, 810 flow [2024-10-31 21:56:14,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 323 transitions, 768 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:56:14,465 INFO L231 Difference]: Finished difference. Result has 328 places, 322 transitions, 723 flow [2024-10-31 21:56:14,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=328, PETRI_TRANSITIONS=322} [2024-10-31 21:56:14,467 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -34 predicate places. [2024-10-31 21:56:14,467 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 322 transitions, 723 flow [2024-10-31 21:56:14,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 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 21:56:14,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:14,468 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] [2024-10-31 21:56:14,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 21:56:14,469 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:14,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:14,470 INFO L85 PathProgramCache]: Analyzing trace with hash 117744149, now seen corresponding path program 1 times [2024-10-31 21:56:14,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:14,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125877968] [2024-10-31 21:56:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:14,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:14,602 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 21:56:14,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:14,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125877968] [2024-10-31 21:56:14,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125877968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:14,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:14,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:14,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740158253] [2024-10-31 21:56:14,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:14,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:14,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:14,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:14,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:14,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 394 [2024-10-31 21:56:14,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 322 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 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 21:56:14,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:14,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 394 [2024-10-31 21:56:14,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:14,945 INFO L124 PetriNetUnfolderBase]: 75/1074 cut-off events. [2024-10-31 21:56:14,945 INFO L125 PetriNetUnfolderBase]: For 71/72 co-relation queries the response was YES. [2024-10-31 21:56:14,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1335 conditions, 1074 events. 75/1074 cut-off events. For 71/72 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5004 event pairs, 42 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 1289. Up to 142 conditions per place. [2024-10-31 21:56:14,953 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 21 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2024-10-31 21:56:14,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 322 transitions, 770 flow [2024-10-31 21:56:14,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2024-10-31 21:56:14,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213197969543148 [2024-10-31 21:56:14,956 INFO L175 Difference]: Start difference. First operand has 328 places, 322 transitions, 723 flow. Second operand 3 states and 1089 transitions. [2024-10-31 21:56:14,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 322 transitions, 770 flow [2024-10-31 21:56:14,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 322 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:14,964 INFO L231 Difference]: Finished difference. Result has 327 places, 321 transitions, 721 flow [2024-10-31 21:56:14,965 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=327, PETRI_TRANSITIONS=321} [2024-10-31 21:56:14,965 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -35 predicate places. [2024-10-31 21:56:14,966 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 321 transitions, 721 flow [2024-10-31 21:56:14,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 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 21:56:14,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:14,967 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] [2024-10-31 21:56:14,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 21:56:14,967 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:14,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash 793548876, now seen corresponding path program 1 times [2024-10-31 21:56:14,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:14,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301047007] [2024-10-31 21:56:14,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:14,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:15,051 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 21:56:15,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:15,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301047007] [2024-10-31 21:56:15,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301047007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:15,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:15,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:15,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632245450] [2024-10-31 21:56:15,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:15,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:15,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:15,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:15,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:15,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 394 [2024-10-31 21:56:15,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 321 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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 21:56:15,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:15,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 394 [2024-10-31 21:56:15,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:15,361 INFO L124 PetriNetUnfolderBase]: 74/1036 cut-off events. [2024-10-31 21:56:15,361 INFO L125 PetriNetUnfolderBase]: For 70/71 co-relation queries the response was YES. [2024-10-31 21:56:15,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 1036 events. 74/1036 cut-off events. For 70/71 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4724 event pairs, 42 based on Foata normal form. 0/981 useless extension candidates. Maximal degree in co-relation 1250. Up to 142 conditions per place. [2024-10-31 21:56:15,369 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 21 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-10-31 21:56:15,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 321 transitions, 768 flow [2024-10-31 21:56:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2024-10-31 21:56:15,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213197969543148 [2024-10-31 21:56:15,373 INFO L175 Difference]: Start difference. First operand has 327 places, 321 transitions, 721 flow. Second operand 3 states and 1089 transitions. [2024-10-31 21:56:15,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 321 transitions, 768 flow [2024-10-31 21:56:15,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 321 transitions, 764 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:15,379 INFO L231 Difference]: Finished difference. Result has 326 places, 320 transitions, 719 flow [2024-10-31 21:56:15,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=326, PETRI_TRANSITIONS=320} [2024-10-31 21:56:15,381 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -36 predicate places. [2024-10-31 21:56:15,381 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 320 transitions, 719 flow [2024-10-31 21:56:15,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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 21:56:15,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:15,383 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] [2024-10-31 21:56:15,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 21:56:15,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2024-10-31 21:56:15,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1356709725, now seen corresponding path program 1 times [2024-10-31 21:56:15,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:15,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892468956] [2024-10-31 21:56:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:15,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:15,479 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 21:56:15,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:15,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892468956] [2024-10-31 21:56:15,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892468956] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:15,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:15,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:15,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020992780] [2024-10-31 21:56:15,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:15,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:15,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:15,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:15,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:15,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 394 [2024-10-31 21:56:15,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 320 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 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 21:56:15,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:15,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 394 [2024-10-31 21:56:15,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:15,784 INFO L124 PetriNetUnfolderBase]: 73/998 cut-off events. [2024-10-31 21:56:15,785 INFO L125 PetriNetUnfolderBase]: For 70/71 co-relation queries the response was YES. [2024-10-31 21:56:15,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1258 conditions, 998 events. 73/998 cut-off events. For 70/71 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4512 event pairs, 42 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1212. Up to 142 conditions per place. [2024-10-31 21:56:15,791 INFO L140 encePairwiseOnDemand]: 391/394 looper letters, 0 selfloop transitions, 0 changer transitions 320/320 dead transitions. [2024-10-31 21:56:15,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 320 transitions, 766 flow [2024-10-31 21:56:15,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2024-10-31 21:56:15,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213197969543148 [2024-10-31 21:56:15,794 INFO L175 Difference]: Start difference. First operand has 326 places, 320 transitions, 719 flow. Second operand 3 states and 1089 transitions. [2024-10-31 21:56:15,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 320 transitions, 766 flow [2024-10-31 21:56:15,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 320 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:56:15,799 INFO L231 Difference]: Finished difference. Result has 325 places, 0 transitions, 0 flow [2024-10-31 21:56:15,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=325, PETRI_TRANSITIONS=0} [2024-10-31 21:56:15,800 INFO L277 CegarLoopForPetriNet]: 362 programPoint places, -37 predicate places. [2024-10-31 21:56:15,801 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 0 transitions, 0 flow [2024-10-31 21:56:15,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 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 21:56:15,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (84 of 85 remaining) [2024-10-31 21:56:15,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (83 of 85 remaining) [2024-10-31 21:56:15,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (82 of 85 remaining) [2024-10-31 21:56:15,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (81 of 85 remaining) [2024-10-31 21:56:15,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (80 of 85 remaining) [2024-10-31 21:56:15,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (79 of 85 remaining) [2024-10-31 21:56:15,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (78 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (77 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (74 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (73 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (72 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (71 of 85 remaining) [2024-10-31 21:56:15,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (70 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (69 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (68 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (67 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (65 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (64 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (63 of 85 remaining) [2024-10-31 21:56:15,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (62 of 85 remaining) [2024-10-31 21:56:15,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (61 of 85 remaining) [2024-10-31 21:56:15,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (60 of 85 remaining) [2024-10-31 21:56:15,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (59 of 85 remaining) [2024-10-31 21:56:15,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 85 remaining) [2024-10-31 21:56:15,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (57 of 85 remaining) [2024-10-31 21:56:15,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (56 of 85 remaining) [2024-10-31 21:56:15,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (55 of 85 remaining) [2024-10-31 21:56:15,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (54 of 85 remaining) [2024-10-31 21:56:15,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (53 of 85 remaining) [2024-10-31 21:56:15,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (52 of 85 remaining) [2024-10-31 21:56:15,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (51 of 85 remaining) [2024-10-31 21:56:15,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (50 of 85 remaining) [2024-10-31 21:56:15,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (49 of 85 remaining) [2024-10-31 21:56:15,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (48 of 85 remaining) [2024-10-31 21:56:15,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 85 remaining) [2024-10-31 21:56:15,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 85 remaining) [2024-10-31 21:56:15,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 85 remaining) [2024-10-31 21:56:15,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 85 remaining) [2024-10-31 21:56:15,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 85 remaining) [2024-10-31 21:56:15,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 85 remaining) [2024-10-31 21:56:15,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 85 remaining) [2024-10-31 21:56:15,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 85 remaining) [2024-10-31 21:56:15,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 85 remaining) [2024-10-31 21:56:15,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 85 remaining) [2024-10-31 21:56:15,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 85 remaining) [2024-10-31 21:56:15,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 85 remaining) [2024-10-31 21:56:15,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 85 remaining) [2024-10-31 21:56:15,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 85 remaining) [2024-10-31 21:56:15,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 85 remaining) [2024-10-31 21:56:15,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 85 remaining) [2024-10-31 21:56:15,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 85 remaining) [2024-10-31 21:56:15,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 85 remaining) [2024-10-31 21:56:15,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 85 remaining) [2024-10-31 21:56:15,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 85 remaining) [2024-10-31 21:56:15,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 85 remaining) [2024-10-31 21:56:15,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 85 remaining) [2024-10-31 21:56:15,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 85 remaining) [2024-10-31 21:56:15,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 85 remaining) [2024-10-31 21:56:15,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 85 remaining) [2024-10-31 21:56:15,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 85 remaining) [2024-10-31 21:56:15,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 85 remaining) [2024-10-31 21:56:15,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 85 remaining) [2024-10-31 21:56:15,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 85 remaining) [2024-10-31 21:56:15,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 85 remaining) [2024-10-31 21:56:15,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 85 remaining) [2024-10-31 21:56:15,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 85 remaining) [2024-10-31 21:56:15,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 85 remaining) [2024-10-31 21:56:15,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 85 remaining) [2024-10-31 21:56:15,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 85 remaining) [2024-10-31 21:56:15,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 85 remaining) [2024-10-31 21:56:15,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 85 remaining) [2024-10-31 21:56:15,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 85 remaining) [2024-10-31 21:56:15,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 85 remaining) [2024-10-31 21:56:15,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 85 remaining) [2024-10-31 21:56:15,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 85 remaining) [2024-10-31 21:56:15,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 85 remaining) [2024-10-31 21:56:15,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 85 remaining) [2024-10-31 21:56:15,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 85 remaining) [2024-10-31 21:56:15,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 85 remaining) [2024-10-31 21:56:15,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 85 remaining) [2024-10-31 21:56:15,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 85 remaining) [2024-10-31 21:56:15,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 85 remaining) [2024-10-31 21:56:15,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 21:56:15,821 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:15,829 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:56:15,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:56:15,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:56:15 BasicIcfg [2024-10-31 21:56:15,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:56:15,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:56:15,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:56:15,840 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:56:15,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:05" (3/4) ... [2024-10-31 21:56:15,843 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:56:15,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 21:56:15,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 21:56:15,852 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-31 21:56:15,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 21:56:15,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:56:15,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:56:15,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:56:15,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:56:15,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:56:15,978 INFO L158 Benchmark]: Toolchain (without parser) took 12773.36ms. Allocated memory was 163.6MB in the beginning and 331.4MB in the end (delta: 167.8MB). Free memory was 122.3MB in the beginning and 220.5MB in the end (delta: -98.2MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,979 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:15,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.95ms. Allocated memory is still 163.6MB. Free memory was 122.3MB in the beginning and 108.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.37ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 104.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,980 INFO L158 Benchmark]: Boogie Preprocessor took 58.01ms. Allocated memory is still 163.6MB. Free memory was 104.9MB in the beginning and 102.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,980 INFO L158 Benchmark]: RCFGBuilder took 1059.73ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 72.2MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,980 INFO L158 Benchmark]: TraceAbstraction took 10814.52ms. Allocated memory was 163.6MB in the beginning and 331.4MB in the end (delta: 167.8MB). Free memory was 71.4MB in the beginning and 225.7MB in the end (delta: -154.4MB). Peak memory consumption was 138.9MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,981 INFO L158 Benchmark]: Witness Printer took 138.29ms. Allocated memory is still 331.4MB. Free memory was 225.7MB in the beginning and 220.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:56:15,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.95ms. Allocated memory is still 163.6MB. Free memory was 122.3MB in the beginning and 108.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.37ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 104.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.01ms. Allocated memory is still 163.6MB. Free memory was 104.9MB in the beginning and 102.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1059.73ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 72.2MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10814.52ms. Allocated memory was 163.6MB in the beginning and 331.4MB in the end (delta: 167.8MB). Free memory was 71.4MB in the beginning and 225.7MB in the end (delta: -154.4MB). Peak memory consumption was 138.9MB. Max. memory is 16.1GB. * Witness Printer took 138.29ms. Allocated memory is still 331.4MB. Free memory was 225.7MB in the beginning and 220.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 609 locations, 85 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.5s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1437 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 604 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 254 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1573 IncrementalHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 254 mSolverCounterUnsat, 120 mSDtfsCounter, 1573 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=763occurred in iteration=14, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1845 NumberOfCodeBlocks, 1845 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1827 ConstructedInterpolants, 0 QuantifiedInterpolants, 2544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 46 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 21:56:16,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7946fbaa-d804-4f1e-962a-4b5fe05420b8/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE