./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya --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 1ac00c9540bbc99a446c9cb6c02e180c3a0ad4fef3c182d14bafdc7ea871c54c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:45:50,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:45:50,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:45:50,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:45:50,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:45:50,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:45:50,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:45:50,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:45:50,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:45:50,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:45:50,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:45:50,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:45:50,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:45:50,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:45:50,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:45:50,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:45:50,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:45:50,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:45:50,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:45:50,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:45:50,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:45:50,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:45:50,794 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:45:50,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:45:50,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:45:50,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:45:50,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:45:50,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:45:50,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:45:50,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:45:50,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:45:50,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:45:50,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:45:50,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:45:50,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:45:50,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:45:50,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:45:50,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:45:50,799 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:45:50,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:45:50,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:45:50,800 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_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac00c9540bbc99a446c9cb6c02e180c3a0ad4fef3c182d14bafdc7ea871c54c [2023-11-29 00:45:51,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:45:51,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:45:51,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:45:51,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:45:51,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:45:51,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2023-11-29 00:45:53,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:45:53,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:45:53,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2023-11-29 00:45:53,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/data/a5d24150b/9fad84b758c144689457661b3fded81d/FLAG23c002126 [2023-11-29 00:45:53,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/data/a5d24150b/9fad84b758c144689457661b3fded81d [2023-11-29 00:45:53,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:45:54,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:45:54,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:45:54,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:45:54,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:45:54,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:45:53" (1/1) ... [2023-11-29 00:45:54,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bcd2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54, skipping insertion in model container [2023-11-29 00:45:54,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:45:53" (1/1) ... [2023-11-29 00:45:54,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:45:54,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:45:54,233 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:45:54,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:45:54,273 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:45:54,273 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:45:54,279 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:45:54,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54 WrapperNode [2023-11-29 00:45:54,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:45:54,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:45:54,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:45:54,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:45:54,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,318 INFO L138 Inliner]: procedures = 22, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-29 00:45:54,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:45:54,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:45:54,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:45:54,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:45:54,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:45:54,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:45:54,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:45:54,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:45:54,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (1/1) ... [2023-11-29 00:45:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:45:54,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:54,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:45:54,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:45:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:45:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 00:45:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 00:45:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 00:45:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 00:45:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 00:45:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 00:45:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:45:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:45:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:45:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 00:45:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 00:45:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:45:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:45:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:45:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:45:54,431 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:45:54,538 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:45:54,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:45:54,901 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:45:54,964 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:45:54,965 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 00:45:54,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:45:54 BoogieIcfgContainer [2023-11-29 00:45:54,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:45:54,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:45:54,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:45:54,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:45:54,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:45:53" (1/3) ... [2023-11-29 00:45:54,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef7efd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:45:54, skipping insertion in model container [2023-11-29 00:45:54,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:54" (2/3) ... [2023-11-29 00:45:54,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef7efd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:45:54, skipping insertion in model container [2023-11-29 00:45:54,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:45:54" (3/3) ... [2023-11-29 00:45:54,975 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2023-11-29 00:45:54,983 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:45:54,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:45:54,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-11-29 00:45:54,991 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:45:55,075 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 00:45:55,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 256 places, 262 transitions, 545 flow [2023-11-29 00:45:55,236 INFO L124 PetriNetUnfolderBase]: 16/259 cut-off events. [2023-11-29 00:45:55,236 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 00:45:55,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 259 events. 16/259 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 536 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 164. Up to 4 conditions per place. [2023-11-29 00:45:55,245 INFO L82 GeneralOperation]: Start removeDead. Operand has 256 places, 262 transitions, 545 flow [2023-11-29 00:45:55,254 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 231 places, 236 transitions, 490 flow [2023-11-29 00:45:55,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:45:55,271 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64eb883c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:45:55,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-29 00:45:55,278 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:45:55,278 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 00:45:55,278 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:45:55,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:55,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:55,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:55,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:55,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1567748046, now seen corresponding path program 1 times [2023-11-29 00:45:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:55,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072310693] [2023-11-29 00:45:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:55,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:55,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072310693] [2023-11-29 00:45:55,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072310693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:55,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:55,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:55,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510724574] [2023-11-29 00:45:55,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:55,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:55,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:55,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:55,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:55,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-29 00:45:55,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 236 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:55,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:55,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-29 00:45:55,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:55,765 INFO L124 PetriNetUnfolderBase]: 147/892 cut-off events. [2023-11-29 00:45:55,765 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2023-11-29 00:45:55,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 892 events. 147/892 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5236 event pairs, 47 based on Foata normal form. 51/761 useless extension candidates. Maximal degree in co-relation 902. Up to 159 conditions per place. [2023-11-29 00:45:55,781 INFO L140 encePairwiseOnDemand]: 244/262 looper letters, 19 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2023-11-29 00:45:55,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 220 transitions, 500 flow [2023-11-29 00:45:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-29 00:45:55,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-29 00:45:55,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-29 00:45:55,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-29 00:45:55,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:55,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-29 00:45:55,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:55,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:55,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:55,821 INFO L175 Difference]: Start difference. First operand has 231 places, 236 transitions, 490 flow. Second operand 3 states and 703 transitions. [2023-11-29 00:45:55,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 220 transitions, 500 flow [2023-11-29 00:45:55,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 220 transitions, 488 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 00:45:55,831 INFO L231 Difference]: Finished difference. Result has 214 places, 220 transitions, 450 flow [2023-11-29 00:45:55,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=214, PETRI_TRANSITIONS=220} [2023-11-29 00:45:55,837 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -17 predicate places. [2023-11-29 00:45:55,837 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 220 transitions, 450 flow [2023-11-29 00:45:55,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:55,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:55,838 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:55,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:45:55,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:55,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:55,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1888932948, now seen corresponding path program 1 times [2023-11-29 00:45:55,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:55,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619102254] [2023-11-29 00:45:55,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:55,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:55,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:55,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619102254] [2023-11-29 00:45:55,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619102254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:55,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:55,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:55,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133745357] [2023-11-29 00:45:55,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:55,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:55,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:55,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:55,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:55,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-29 00:45:55,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 220 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:55,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:55,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-29 00:45:55,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:56,115 INFO L124 PetriNetUnfolderBase]: 163/890 cut-off events. [2023-11-29 00:45:56,115 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2023-11-29 00:45:56,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 890 events. 163/890 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5061 event pairs, 55 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1063. Up to 181 conditions per place. [2023-11-29 00:45:56,128 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 19 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-11-29 00:45:56,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 219 transitions, 490 flow [2023-11-29 00:45:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2023-11-29 00:45:56,132 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8753180661577609 [2023-11-29 00:45:56,132 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions. [2023-11-29 00:45:56,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions. [2023-11-29 00:45:56,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:56,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions. [2023-11-29 00:45:56,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,139 INFO L175 Difference]: Start difference. First operand has 214 places, 220 transitions, 450 flow. Second operand 3 states and 688 transitions. [2023-11-29 00:45:56,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 219 transitions, 490 flow [2023-11-29 00:45:56,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 219 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:56,146 INFO L231 Difference]: Finished difference. Result has 213 places, 219 transitions, 448 flow [2023-11-29 00:45:56,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=213, PETRI_TRANSITIONS=219} [2023-11-29 00:45:56,148 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -18 predicate places. [2023-11-29 00:45:56,148 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 219 transitions, 448 flow [2023-11-29 00:45:56,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:56,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:56,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:45:56,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:56,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:56,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1415418324, now seen corresponding path program 1 times [2023-11-29 00:45:56,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:56,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687848368] [2023-11-29 00:45:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:56,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:56,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687848368] [2023-11-29 00:45:56,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687848368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:56,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:56,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:56,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017234606] [2023-11-29 00:45:56,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:56,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:56,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:56,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:56,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:56,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-29 00:45:56,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 219 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:56,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-29 00:45:56,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:56,358 INFO L124 PetriNetUnfolderBase]: 120/623 cut-off events. [2023-11-29 00:45:56,358 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-29 00:45:56,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 623 events. 120/623 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3225 event pairs, 47 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 748. Up to 146 conditions per place. [2023-11-29 00:45:56,367 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 19 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2023-11-29 00:45:56,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 218 transitions, 488 flow [2023-11-29 00:45:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2023-11-29 00:45:56,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8753180661577609 [2023-11-29 00:45:56,371 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions. [2023-11-29 00:45:56,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions. [2023-11-29 00:45:56,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:56,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions. [2023-11-29 00:45:56,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,378 INFO L175 Difference]: Start difference. First operand has 213 places, 219 transitions, 448 flow. Second operand 3 states and 688 transitions. [2023-11-29 00:45:56,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 218 transitions, 488 flow [2023-11-29 00:45:56,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 218 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:56,384 INFO L231 Difference]: Finished difference. Result has 212 places, 218 transitions, 446 flow [2023-11-29 00:45:56,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=212, PETRI_TRANSITIONS=218} [2023-11-29 00:45:56,385 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -19 predicate places. [2023-11-29 00:45:56,385 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 218 transitions, 446 flow [2023-11-29 00:45:56,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:56,386 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:56,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:45:56,387 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:56,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:56,387 INFO L85 PathProgramCache]: Analyzing trace with hash -791631273, now seen corresponding path program 1 times [2023-11-29 00:45:56,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:56,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498824799] [2023-11-29 00:45:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:56,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498824799] [2023-11-29 00:45:56,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498824799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:56,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:56,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:56,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781033674] [2023-11-29 00:45:56,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:56,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:56,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:56,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:56,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-29 00:45:56,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 218 transitions, 446 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:56,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-29 00:45:56,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:56,583 INFO L124 PetriNetUnfolderBase]: 102/698 cut-off events. [2023-11-29 00:45:56,583 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 00:45:56,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 698 events. 102/698 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3597 event pairs, 31 based on Foata normal form. 0/555 useless extension candidates. Maximal degree in co-relation 788. Up to 110 conditions per place. [2023-11-29 00:45:56,593 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 17 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2023-11-29 00:45:56,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 217 transitions, 482 flow [2023-11-29 00:45:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-29 00:45:56,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8804071246819338 [2023-11-29 00:45:56,597 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-29 00:45:56,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-29 00:45:56,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:56,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-29 00:45:56,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,604 INFO L175 Difference]: Start difference. First operand has 212 places, 218 transitions, 446 flow. Second operand 3 states and 692 transitions. [2023-11-29 00:45:56,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 217 transitions, 482 flow [2023-11-29 00:45:56,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 217 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:56,609 INFO L231 Difference]: Finished difference. Result has 211 places, 217 transitions, 444 flow [2023-11-29 00:45:56,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=211, PETRI_TRANSITIONS=217} [2023-11-29 00:45:56,610 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -20 predicate places. [2023-11-29 00:45:56,611 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 217 transitions, 444 flow [2023-11-29 00:45:56,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:56,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:56,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:45:56,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:56,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:56,612 INFO L85 PathProgramCache]: Analyzing trace with hash 78721061, now seen corresponding path program 1 times [2023-11-29 00:45:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:56,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782144918] [2023-11-29 00:45:56,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:56,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:56,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782144918] [2023-11-29 00:45:56,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782144918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:56,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:56,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:56,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913956895] [2023-11-29 00:45:56,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:56,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:56,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:56,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:56,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:56,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-29 00:45:56,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 217 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:56,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-29 00:45:56,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:56,840 INFO L124 PetriNetUnfolderBase]: 121/773 cut-off events. [2023-11-29 00:45:56,841 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-29 00:45:56,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 773 events. 121/773 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4053 event pairs, 35 based on Foata normal form. 0/606 useless extension candidates. Maximal degree in co-relation 873. Up to 127 conditions per place. [2023-11-29 00:45:56,850 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 17 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-29 00:45:56,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 216 transitions, 480 flow [2023-11-29 00:45:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-29 00:45:56,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8804071246819338 [2023-11-29 00:45:56,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-29 00:45:56,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-29 00:45:56,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:56,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-29 00:45:56,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,861 INFO L175 Difference]: Start difference. First operand has 211 places, 217 transitions, 444 flow. Second operand 3 states and 692 transitions. [2023-11-29 00:45:56,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 216 transitions, 480 flow [2023-11-29 00:45:56,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 216 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:56,866 INFO L231 Difference]: Finished difference. Result has 210 places, 216 transitions, 442 flow [2023-11-29 00:45:56,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=210, PETRI_TRANSITIONS=216} [2023-11-29 00:45:56,868 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -21 predicate places. [2023-11-29 00:45:56,868 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 216 transitions, 442 flow [2023-11-29 00:45:56,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,869 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:56,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:56,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:45:56,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:56,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:56,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1915141014, now seen corresponding path program 1 times [2023-11-29 00:45:56,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:56,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790981415] [2023-11-29 00:45:56,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:56,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:56,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790981415] [2023-11-29 00:45:56,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790981415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:56,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:56,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:56,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974531865] [2023-11-29 00:45:56,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:56,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:56,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:56,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:56,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:56,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-29 00:45:56,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 216 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:56,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:56,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-29 00:45:56,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:57,041 INFO L124 PetriNetUnfolderBase]: 93/593 cut-off events. [2023-11-29 00:45:57,041 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2023-11-29 00:45:57,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 593 events. 93/593 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2987 event pairs, 31 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 662. Up to 105 conditions per place. [2023-11-29 00:45:57,050 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 17 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2023-11-29 00:45:57,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 215 transitions, 478 flow [2023-11-29 00:45:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-29 00:45:57,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8804071246819338 [2023-11-29 00:45:57,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-29 00:45:57,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-29 00:45:57,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:57,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-29 00:45:57,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,060 INFO L175 Difference]: Start difference. First operand has 210 places, 216 transitions, 442 flow. Second operand 3 states and 692 transitions. [2023-11-29 00:45:57,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 215 transitions, 478 flow [2023-11-29 00:45:57,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 215 transitions, 474 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:57,066 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 440 flow [2023-11-29 00:45:57,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2023-11-29 00:45:57,067 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-29 00:45:57,067 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 440 flow [2023-11-29 00:45:57,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:57,068 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:57,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:45:57,069 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:57,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1663092776, now seen corresponding path program 1 times [2023-11-29 00:45:57,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:57,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116770710] [2023-11-29 00:45:57,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:57,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:57,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:57,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116770710] [2023-11-29 00:45:57,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116770710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:57,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:57,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:57,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261403527] [2023-11-29 00:45:57,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:57,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:57,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:57,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:57,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:57,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 262 [2023-11-29 00:45:57,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:57,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 262 [2023-11-29 00:45:57,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:57,258 INFO L124 PetriNetUnfolderBase]: 109/648 cut-off events. [2023-11-29 00:45:57,258 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2023-11-29 00:45:57,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 648 events. 109/648 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3282 event pairs, 10 based on Foata normal form. 2/530 useless extension candidates. Maximal degree in co-relation 747. Up to 97 conditions per place. [2023-11-29 00:45:57,266 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 21 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2023-11-29 00:45:57,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 221 transitions, 500 flow [2023-11-29 00:45:57,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-11-29 00:45:57,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9007633587786259 [2023-11-29 00:45:57,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-11-29 00:45:57,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-11-29 00:45:57,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:57,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-11-29 00:45:57,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,275 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,275 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 440 flow. Second operand 3 states and 708 transitions. [2023-11-29 00:45:57,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 221 transitions, 500 flow [2023-11-29 00:45:57,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 221 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:57,280 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 444 flow [2023-11-29 00:45:57,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2023-11-29 00:45:57,282 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-29 00:45:57,282 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 444 flow [2023-11-29 00:45:57,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:57,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:57,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:45:57,283 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:57,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1546554845, now seen corresponding path program 1 times [2023-11-29 00:45:57,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:57,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704010019] [2023-11-29 00:45:57,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:57,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:57,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704010019] [2023-11-29 00:45:57,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704010019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:57,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:57,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:57,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546965431] [2023-11-29 00:45:57,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:57,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:57,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:57,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:57,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:57,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-29 00:45:57,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:57,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-29 00:45:57,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:57,505 INFO L124 PetriNetUnfolderBase]: 184/848 cut-off events. [2023-11-29 00:45:57,505 INFO L125 PetriNetUnfolderBase]: For 22/28 co-relation queries the response was YES. [2023-11-29 00:45:57,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1139 conditions, 848 events. 184/848 cut-off events. For 22/28 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4691 event pairs, 15 based on Foata normal form. 2/717 useless extension candidates. Maximal degree in co-relation 1021. Up to 171 conditions per place. [2023-11-29 00:45:57,518 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 27 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2023-11-29 00:45:57,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 222 transitions, 523 flow [2023-11-29 00:45:57,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-29 00:45:57,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-29 00:45:57,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-29 00:45:57,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-29 00:45:57,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:57,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-29 00:45:57,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,526 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,526 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 444 flow. Second operand 3 states and 699 transitions. [2023-11-29 00:45:57,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 222 transitions, 523 flow [2023-11-29 00:45:57,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 222 transitions, 521 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:45:57,532 INFO L231 Difference]: Finished difference. Result has 208 places, 213 transitions, 449 flow [2023-11-29 00:45:57,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=208, PETRI_TRANSITIONS=213} [2023-11-29 00:45:57,534 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-29 00:45:57,534 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 213 transitions, 449 flow [2023-11-29 00:45:57,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:57,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:57,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:45:57,535 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:57,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:57,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1710129736, now seen corresponding path program 1 times [2023-11-29 00:45:57,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:57,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708825117] [2023-11-29 00:45:57,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:57,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:57,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:57,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708825117] [2023-11-29 00:45:57,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708825117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:57,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:57,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:57,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424504489] [2023-11-29 00:45:57,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:57,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:57,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:57,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:57,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:57,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 262 [2023-11-29 00:45:57,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 213 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:57,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 262 [2023-11-29 00:45:57,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:57,821 INFO L124 PetriNetUnfolderBase]: 204/1293 cut-off events. [2023-11-29 00:45:57,821 INFO L125 PetriNetUnfolderBase]: For 29/33 co-relation queries the response was YES. [2023-11-29 00:45:57,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 1293 events. 204/1293 cut-off events. For 29/33 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8470 event pairs, 34 based on Foata normal form. 0/1022 useless extension candidates. Maximal degree in co-relation 1094. Up to 146 conditions per place. [2023-11-29 00:45:57,836 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 21 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-11-29 00:45:57,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 219 transitions, 509 flow [2023-11-29 00:45:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:57,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-11-29 00:45:57,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9007633587786259 [2023-11-29 00:45:57,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-11-29 00:45:57,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-11-29 00:45:57,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:57,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-11-29 00:45:57,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,845 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,845 INFO L175 Difference]: Start difference. First operand has 208 places, 213 transitions, 449 flow. Second operand 3 states and 708 transitions. [2023-11-29 00:45:57,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 219 transitions, 509 flow [2023-11-29 00:45:57,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 219 transitions, 506 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:45:57,850 INFO L231 Difference]: Finished difference. Result has 209 places, 213 transitions, 454 flow [2023-11-29 00:45:57,851 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=209, PETRI_TRANSITIONS=213} [2023-11-29 00:45:57,851 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-29 00:45:57,852 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 213 transitions, 454 flow [2023-11-29 00:45:57,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:57,852 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:57,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:45:57,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:57,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash 427862666, now seen corresponding path program 1 times [2023-11-29 00:45:57,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:57,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901916580] [2023-11-29 00:45:57,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:57,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:57,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901916580] [2023-11-29 00:45:57,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901916580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:57,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:57,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:57,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193308692] [2023-11-29 00:45:57,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:57,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:57,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:57,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:57,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:57,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-29 00:45:57,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 213 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:57,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:57,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-29 00:45:57,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:58,135 INFO L124 PetriNetUnfolderBase]: 290/1131 cut-off events. [2023-11-29 00:45:58,135 INFO L125 PetriNetUnfolderBase]: For 62/66 co-relation queries the response was YES. [2023-11-29 00:45:58,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1563 conditions, 1131 events. 290/1131 cut-off events. For 62/66 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6847 event pairs, 20 based on Foata normal form. 2/946 useless extension candidates. Maximal degree in co-relation 1096. Up to 274 conditions per place. [2023-11-29 00:45:58,148 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 26 selfloop transitions, 3 changer transitions 0/219 dead transitions. [2023-11-29 00:45:58,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 219 transitions, 528 flow [2023-11-29 00:45:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2023-11-29 00:45:58,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8880407124681934 [2023-11-29 00:45:58,152 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 698 transitions. [2023-11-29 00:45:58,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 698 transitions. [2023-11-29 00:45:58,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:58,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 698 transitions. [2023-11-29 00:45:58,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,159 INFO L175 Difference]: Start difference. First operand has 209 places, 213 transitions, 454 flow. Second operand 3 states and 698 transitions. [2023-11-29 00:45:58,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 219 transitions, 528 flow [2023-11-29 00:45:58,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 219 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:45:58,166 INFO L231 Difference]: Finished difference. Result has 208 places, 211 transitions, 459 flow [2023-11-29 00:45:58,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=208, PETRI_TRANSITIONS=211} [2023-11-29 00:45:58,167 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-29 00:45:58,167 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 211 transitions, 459 flow [2023-11-29 00:45:58,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:58,168 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:58,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:45:58,168 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:58,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1158145882, now seen corresponding path program 1 times [2023-11-29 00:45:58,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:58,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776613457] [2023-11-29 00:45:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:58,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:58,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776613457] [2023-11-29 00:45:58,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776613457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:58,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:58,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:58,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851685982] [2023-11-29 00:45:58,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:58,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:58,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:58,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:58,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:58,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-29 00:45:58,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 211 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:58,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-29 00:45:58,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:58,458 INFO L124 PetriNetUnfolderBase]: 202/1062 cut-off events. [2023-11-29 00:45:58,458 INFO L125 PetriNetUnfolderBase]: For 39/41 co-relation queries the response was YES. [2023-11-29 00:45:58,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1399 conditions, 1062 events. 202/1062 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6407 event pairs, 62 based on Foata normal form. 0/890 useless extension candidates. Maximal degree in co-relation 1141. Up to 204 conditions per place. [2023-11-29 00:45:58,472 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 25 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-29 00:45:58,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 216 transitions, 525 flow [2023-11-29 00:45:58,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-29 00:45:58,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-29 00:45:58,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-29 00:45:58,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-29 00:45:58,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:58,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-29 00:45:58,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,481 INFO L175 Difference]: Start difference. First operand has 208 places, 211 transitions, 459 flow. Second operand 3 states and 699 transitions. [2023-11-29 00:45:58,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 216 transitions, 525 flow [2023-11-29 00:45:58,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 216 transitions, 522 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:45:58,487 INFO L231 Difference]: Finished difference. Result has 208 places, 210 transitions, 458 flow [2023-11-29 00:45:58,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=208, PETRI_TRANSITIONS=210} [2023-11-29 00:45:58,488 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-29 00:45:58,488 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 210 transitions, 458 flow [2023-11-29 00:45:58,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:58,489 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:58,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:45:58,489 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:58,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:58,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1857917946, now seen corresponding path program 1 times [2023-11-29 00:45:58,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:58,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167268218] [2023-11-29 00:45:58,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:58,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:58,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:58,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167268218] [2023-11-29 00:45:58,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167268218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:58,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:58,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:58,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78333401] [2023-11-29 00:45:58,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:58,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:58,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:58,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:58,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 262 [2023-11-29 00:45:58,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 210 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:58,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 262 [2023-11-29 00:45:58,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:58,675 INFO L124 PetriNetUnfolderBase]: 156/988 cut-off events. [2023-11-29 00:45:58,675 INFO L125 PetriNetUnfolderBase]: For 45/53 co-relation queries the response was YES. [2023-11-29 00:45:58,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 988 events. 156/988 cut-off events. For 45/53 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5807 event pairs, 30 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 857. Up to 132 conditions per place. [2023-11-29 00:45:58,681 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 21 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-29 00:45:58,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 216 transitions, 518 flow [2023-11-29 00:45:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-11-29 00:45:58,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9007633587786259 [2023-11-29 00:45:58,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-11-29 00:45:58,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-11-29 00:45:58,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:58,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-11-29 00:45:58,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,688 INFO L175 Difference]: Start difference. First operand has 208 places, 210 transitions, 458 flow. Second operand 3 states and 708 transitions. [2023-11-29 00:45:58,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 216 transitions, 518 flow [2023-11-29 00:45:58,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 216 transitions, 514 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:45:58,693 INFO L231 Difference]: Finished difference. Result has 208 places, 210 transitions, 462 flow [2023-11-29 00:45:58,694 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=208, PETRI_TRANSITIONS=210} [2023-11-29 00:45:58,694 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-29 00:45:58,694 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 210 transitions, 462 flow [2023-11-29 00:45:58,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:58,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:58,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:45:58,695 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:58,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:58,696 INFO L85 PathProgramCache]: Analyzing trace with hash 10821641, now seen corresponding path program 1 times [2023-11-29 00:45:58,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:58,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345804228] [2023-11-29 00:45:58,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:58,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:58,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:58,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345804228] [2023-11-29 00:45:58,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345804228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:58,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:58,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:58,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076574126] [2023-11-29 00:45:58,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:58,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:58,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:58,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:58,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:58,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-29 00:45:58,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 210 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:58,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-29 00:45:58,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:58,897 INFO L124 PetriNetUnfolderBase]: 236/1076 cut-off events. [2023-11-29 00:45:58,897 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2023-11-29 00:45:58,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1076 events. 236/1076 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7017 event pairs, 54 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 1009. Up to 252 conditions per place. [2023-11-29 00:45:58,905 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 25 selfloop transitions, 3 changer transitions 0/215 dead transitions. [2023-11-29 00:45:58,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 215 transitions, 531 flow [2023-11-29 00:45:58,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:45:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2023-11-29 00:45:58,908 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8867684478371501 [2023-11-29 00:45:58,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 697 transitions. [2023-11-29 00:45:58,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 697 transitions. [2023-11-29 00:45:58,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:58,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 697 transitions. [2023-11-29 00:45:58,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,912 INFO L175 Difference]: Start difference. First operand has 208 places, 210 transitions, 462 flow. Second operand 3 states and 697 transitions. [2023-11-29 00:45:58,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 215 transitions, 531 flow [2023-11-29 00:45:58,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 215 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:45:58,917 INFO L231 Difference]: Finished difference. Result has 207 places, 208 transitions, 467 flow [2023-11-29 00:45:58,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=207, PETRI_TRANSITIONS=208} [2023-11-29 00:45:58,918 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -24 predicate places. [2023-11-29 00:45:58,918 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 208 transitions, 467 flow [2023-11-29 00:45:58,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:58,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:58,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:58,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:45:58,919 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:58,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:58,919 INFO L85 PathProgramCache]: Analyzing trace with hash -208888907, now seen corresponding path program 1 times [2023-11-29 00:45:58,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:58,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430156446] [2023-11-29 00:45:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:59,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:59,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430156446] [2023-11-29 00:45:59,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430156446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:59,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:59,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:45:59,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936200609] [2023-11-29 00:45:59,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:59,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:45:59,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:59,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:45:59,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:45:59,455 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 262 [2023-11-29 00:45:59,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 208 transitions, 467 flow. Second operand has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:59,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:59,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 262 [2023-11-29 00:45:59,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:45:59,734 INFO L124 PetriNetUnfolderBase]: 272/1236 cut-off events. [2023-11-29 00:45:59,734 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-29 00:45:59,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1706 conditions, 1236 events. 272/1236 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7688 event pairs, 22 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 1483. Up to 144 conditions per place. [2023-11-29 00:45:59,750 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 39 selfloop transitions, 4 changer transitions 0/231 dead transitions. [2023-11-29 00:45:59,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 231 transitions, 599 flow [2023-11-29 00:45:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:45:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:45:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2023-11-29 00:45:59,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8791348600508906 [2023-11-29 00:45:59,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2023-11-29 00:45:59,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2023-11-29 00:45:59,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:45:59,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2023-11-29 00:45:59,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:59,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:59,764 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:59,764 INFO L175 Difference]: Start difference. First operand has 207 places, 208 transitions, 467 flow. Second operand 6 states and 1382 transitions. [2023-11-29 00:45:59,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 231 transitions, 599 flow [2023-11-29 00:45:59,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 231 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:45:59,770 INFO L231 Difference]: Finished difference. Result has 210 places, 207 transitions, 470 flow [2023-11-29 00:45:59,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=470, PETRI_PLACES=210, PETRI_TRANSITIONS=207} [2023-11-29 00:45:59,771 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -21 predicate places. [2023-11-29 00:45:59,771 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 207 transitions, 470 flow [2023-11-29 00:45:59,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:59,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:45:59,772 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:59,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:45:59,773 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:45:59,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:59,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1827414317, now seen corresponding path program 1 times [2023-11-29 00:45:59,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:59,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288044831] [2023-11-29 00:45:59,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:59,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:59,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:59,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288044831] [2023-11-29 00:45:59,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288044831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:59,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:59,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302098278] [2023-11-29 00:45:59,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:59,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:59,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:59,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-29 00:45:59,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 207 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:59,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:45:59,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-29 00:45:59,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:00,047 INFO L124 PetriNetUnfolderBase]: 302/1388 cut-off events. [2023-11-29 00:46:00,047 INFO L125 PetriNetUnfolderBase]: For 76/78 co-relation queries the response was YES. [2023-11-29 00:46:00,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1960 conditions, 1388 events. 302/1388 cut-off events. For 76/78 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9143 event pairs, 87 based on Foata normal form. 0/1204 useless extension candidates. Maximal degree in co-relation 1312. Up to 287 conditions per place. [2023-11-29 00:46:00,061 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 25 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-11-29 00:46:00,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 212 transitions, 536 flow [2023-11-29 00:46:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-29 00:46:00,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-29 00:46:00,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-29 00:46:00,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-29 00:46:00,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:00,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-29 00:46:00,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,070 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,070 INFO L175 Difference]: Start difference. First operand has 210 places, 207 transitions, 470 flow. Second operand 3 states and 699 transitions. [2023-11-29 00:46:00,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 212 transitions, 536 flow [2023-11-29 00:46:00,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 212 transitions, 529 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:46:00,076 INFO L231 Difference]: Finished difference. Result has 207 places, 206 transitions, 465 flow [2023-11-29 00:46:00,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=207, PETRI_TRANSITIONS=206} [2023-11-29 00:46:00,077 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -24 predicate places. [2023-11-29 00:46:00,077 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 206 transitions, 465 flow [2023-11-29 00:46:00,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:00,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:00,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:46:00,078 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:00,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:00,079 INFO L85 PathProgramCache]: Analyzing trace with hash -778454709, now seen corresponding path program 1 times [2023-11-29 00:46:00,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:00,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804972713] [2023-11-29 00:46:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:00,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:00,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:00,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804972713] [2023-11-29 00:46:00,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804972713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:00,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:00,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:00,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028473229] [2023-11-29 00:46:00,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:00,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:00,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:00,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:00,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:00,135 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 262 [2023-11-29 00:46:00,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 206 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:00,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 262 [2023-11-29 00:46:00,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:00,358 INFO L124 PetriNetUnfolderBase]: 183/1043 cut-off events. [2023-11-29 00:46:00,358 INFO L125 PetriNetUnfolderBase]: For 41/43 co-relation queries the response was YES. [2023-11-29 00:46:00,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 1043 events. 183/1043 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5930 event pairs, 54 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 1255. Up to 186 conditions per place. [2023-11-29 00:46:00,370 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-11-29 00:46:00,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 211 transitions, 527 flow [2023-11-29 00:46:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-29 00:46:00,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-29 00:46:00,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-29 00:46:00,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-29 00:46:00,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:00,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-29 00:46:00,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,378 INFO L175 Difference]: Start difference. First operand has 207 places, 206 transitions, 465 flow. Second operand 3 states and 703 transitions. [2023-11-29 00:46:00,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 211 transitions, 527 flow [2023-11-29 00:46:00,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 211 transitions, 523 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:00,383 INFO L231 Difference]: Finished difference. Result has 206 places, 205 transitions, 463 flow [2023-11-29 00:46:00,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=206, PETRI_TRANSITIONS=205} [2023-11-29 00:46:00,384 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2023-11-29 00:46:00,384 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 205 transitions, 463 flow [2023-11-29 00:46:00,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:00,385 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:00,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:46:00,385 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:00,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:00,386 INFO L85 PathProgramCache]: Analyzing trace with hash -807343500, now seen corresponding path program 1 times [2023-11-29 00:46:00,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:00,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587788308] [2023-11-29 00:46:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:00,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587788308] [2023-11-29 00:46:00,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587788308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:00,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:00,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:00,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192018407] [2023-11-29 00:46:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:00,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:00,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:00,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:00,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:00,447 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-29 00:46:00,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 205 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:00,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-29 00:46:00,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:00,619 INFO L124 PetriNetUnfolderBase]: 236/973 cut-off events. [2023-11-29 00:46:00,619 INFO L125 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2023-11-29 00:46:00,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 973 events. 236/973 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 6061 event pairs, 92 based on Foata normal form. 0/870 useless extension candidates. Maximal degree in co-relation 1416. Up to 263 conditions per place. [2023-11-29 00:46:00,630 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 25 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2023-11-29 00:46:00,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 210 transitions, 529 flow [2023-11-29 00:46:00,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-29 00:46:00,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-29 00:46:00,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-29 00:46:00,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-29 00:46:00,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:00,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-29 00:46:00,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,638 INFO L175 Difference]: Start difference. First operand has 206 places, 205 transitions, 463 flow. Second operand 3 states and 699 transitions. [2023-11-29 00:46:00,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 210 transitions, 529 flow [2023-11-29 00:46:00,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 210 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:00,643 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 461 flow [2023-11-29 00:46:00,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2023-11-29 00:46:00,644 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -26 predicate places. [2023-11-29 00:46:00,644 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 461 flow [2023-11-29 00:46:00,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:00,644 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:00,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:46:00,645 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:00,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:00,645 INFO L85 PathProgramCache]: Analyzing trace with hash 910867723, now seen corresponding path program 1 times [2023-11-29 00:46:00,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:00,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930498200] [2023-11-29 00:46:00,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:00,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:00,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:00,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930498200] [2023-11-29 00:46:00,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930498200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:00,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:00,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:00,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324599260] [2023-11-29 00:46:00,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:00,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:00,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:00,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:00,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:00,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 262 [2023-11-29 00:46:00,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:00,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 262 [2023-11-29 00:46:00,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:00,907 INFO L124 PetriNetUnfolderBase]: 274/1315 cut-off events. [2023-11-29 00:46:00,907 INFO L125 PetriNetUnfolderBase]: For 86/88 co-relation queries the response was YES. [2023-11-29 00:46:00,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1315 events. 274/1315 cut-off events. For 86/88 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8208 event pairs, 74 based on Foata normal form. 0/1158 useless extension candidates. Maximal degree in co-relation 1264. Up to 253 conditions per place. [2023-11-29 00:46:00,920 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2023-11-29 00:46:00,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 209 transitions, 523 flow [2023-11-29 00:46:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-29 00:46:00,923 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-29 00:46:00,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-29 00:46:00,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-29 00:46:00,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:00,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-29 00:46:00,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,928 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,928 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 461 flow. Second operand 3 states and 703 transitions. [2023-11-29 00:46:00,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 209 transitions, 523 flow [2023-11-29 00:46:00,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 209 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:00,934 INFO L231 Difference]: Finished difference. Result has 204 places, 203 transitions, 459 flow [2023-11-29 00:46:00,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=204, PETRI_TRANSITIONS=203} [2023-11-29 00:46:00,935 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -27 predicate places. [2023-11-29 00:46:00,935 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 203 transitions, 459 flow [2023-11-29 00:46:00,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:00,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:00,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:00,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 00:46:00,936 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:00,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:00,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1218197571, now seen corresponding path program 1 times [2023-11-29 00:46:00,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:00,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177979147] [2023-11-29 00:46:00,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:00,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:01,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:01,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177979147] [2023-11-29 00:46:01,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177979147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:01,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:01,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:46:01,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34946550] [2023-11-29 00:46:01,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:01,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:01,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:01,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:01,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:01,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 262 [2023-11-29 00:46:01,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 203 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:01,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 262 [2023-11-29 00:46:01,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:01,185 INFO L124 PetriNetUnfolderBase]: 126/795 cut-off events. [2023-11-29 00:46:01,185 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 00:46:01,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 795 events. 126/795 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3987 event pairs, 10 based on Foata normal form. 12/733 useless extension candidates. Maximal degree in co-relation 1040. Up to 100 conditions per place. [2023-11-29 00:46:01,194 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-11-29 00:46:01,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 212 transitions, 529 flow [2023-11-29 00:46:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2023-11-29 00:46:01,197 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071246819338422 [2023-11-29 00:46:01,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 713 transitions. [2023-11-29 00:46:01,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 713 transitions. [2023-11-29 00:46:01,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:01,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 713 transitions. [2023-11-29 00:46:01,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,202 INFO L175 Difference]: Start difference. First operand has 204 places, 203 transitions, 459 flow. Second operand 3 states and 713 transitions. [2023-11-29 00:46:01,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 212 transitions, 529 flow [2023-11-29 00:46:01,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 212 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:01,207 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 467 flow [2023-11-29 00:46:01,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2023-11-29 00:46:01,208 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -26 predicate places. [2023-11-29 00:46:01,208 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 467 flow [2023-11-29 00:46:01,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:01,209 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:01,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 00:46:01,209 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:01,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:01,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1807502039, now seen corresponding path program 1 times [2023-11-29 00:46:01,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:01,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549124629] [2023-11-29 00:46:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:01,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:01,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:01,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549124629] [2023-11-29 00:46:01,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549124629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:01,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:01,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:01,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490540719] [2023-11-29 00:46:01,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:01,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:01,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:01,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:01,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:01,265 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 262 [2023-11-29 00:46:01,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:01,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 262 [2023-11-29 00:46:01,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:01,443 INFO L124 PetriNetUnfolderBase]: 223/952 cut-off events. [2023-11-29 00:46:01,444 INFO L125 PetriNetUnfolderBase]: For 57/64 co-relation queries the response was YES. [2023-11-29 00:46:01,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 952 events. 223/952 cut-off events. For 57/64 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5588 event pairs, 72 based on Foata normal form. 0/850 useless extension candidates. Maximal degree in co-relation 969. Up to 224 conditions per place. [2023-11-29 00:46:01,454 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2023-11-29 00:46:01,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 209 transitions, 529 flow [2023-11-29 00:46:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-29 00:46:01,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-29 00:46:01,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-29 00:46:01,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-29 00:46:01,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:01,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-29 00:46:01,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,461 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 467 flow. Second operand 3 states and 703 transitions. [2023-11-29 00:46:01,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 209 transitions, 529 flow [2023-11-29 00:46:01,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 209 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:46:01,466 INFO L231 Difference]: Finished difference. Result has 205 places, 203 transitions, 467 flow [2023-11-29 00:46:01,467 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=205, PETRI_TRANSITIONS=203} [2023-11-29 00:46:01,467 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -26 predicate places. [2023-11-29 00:46:01,467 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 203 transitions, 467 flow [2023-11-29 00:46:01,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:01,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:01,468 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:01,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 00:46:01,468 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:01,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:01,469 INFO L85 PathProgramCache]: Analyzing trace with hash -866447579, now seen corresponding path program 1 times [2023-11-29 00:46:01,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:01,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461392714] [2023-11-29 00:46:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:01,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:46:01,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:01,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461392714] [2023-11-29 00:46:01,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461392714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:01,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:01,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:46:01,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794589317] [2023-11-29 00:46:01,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:01,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:01,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:01,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:01,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:46:02,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 262 [2023-11-29 00:46:02,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 203 transitions, 467 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:02,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 262 [2023-11-29 00:46:02,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:02,308 INFO L124 PetriNetUnfolderBase]: 163/832 cut-off events. [2023-11-29 00:46:02,308 INFO L125 PetriNetUnfolderBase]: For 16/20 co-relation queries the response was YES. [2023-11-29 00:46:02,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1156 conditions, 832 events. 163/832 cut-off events. For 16/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4067 event pairs, 22 based on Foata normal form. 0/744 useless extension candidates. Maximal degree in co-relation 1082. Up to 87 conditions per place. [2023-11-29 00:46:02,318 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 31 selfloop transitions, 4 changer transitions 0/218 dead transitions. [2023-11-29 00:46:02,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 218 transitions, 567 flow [2023-11-29 00:46:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:46:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1374 transitions. [2023-11-29 00:46:02,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8740458015267175 [2023-11-29 00:46:02,322 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1374 transitions. [2023-11-29 00:46:02,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1374 transitions. [2023-11-29 00:46:02,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:02,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1374 transitions. [2023-11-29 00:46:02,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,331 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,331 INFO L175 Difference]: Start difference. First operand has 205 places, 203 transitions, 467 flow. Second operand 6 states and 1374 transitions. [2023-11-29 00:46:02,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 218 transitions, 567 flow [2023-11-29 00:46:02,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 218 transitions, 563 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:02,337 INFO L231 Difference]: Finished difference. Result has 207 places, 202 transitions, 469 flow [2023-11-29 00:46:02,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=469, PETRI_PLACES=207, PETRI_TRANSITIONS=202} [2023-11-29 00:46:02,337 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -24 predicate places. [2023-11-29 00:46:02,338 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 202 transitions, 469 flow [2023-11-29 00:46:02,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:02,338 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:02,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 00:46:02,339 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:02,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:02,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1509548651, now seen corresponding path program 1 times [2023-11-29 00:46:02,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:02,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173080015] [2023-11-29 00:46:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:02,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:02,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173080015] [2023-11-29 00:46:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173080015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:02,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:02,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:46:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058742049] [2023-11-29 00:46:02,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:02,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:02,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:02,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:02,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:02,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 262 [2023-11-29 00:46:02,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 202 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:02,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 262 [2023-11-29 00:46:02,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:02,688 INFO L124 PetriNetUnfolderBase]: 221/1162 cut-off events. [2023-11-29 00:46:02,688 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2023-11-29 00:46:02,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 1162 events. 221/1162 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 6715 event pairs, 22 based on Foata normal form. 19/1071 useless extension candidates. Maximal degree in co-relation 1529. Up to 146 conditions per place. [2023-11-29 00:46:02,703 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-11-29 00:46:02,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 211 transitions, 539 flow [2023-11-29 00:46:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:02,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2023-11-29 00:46:02,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071246819338422 [2023-11-29 00:46:02,706 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 713 transitions. [2023-11-29 00:46:02,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 713 transitions. [2023-11-29 00:46:02,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:02,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 713 transitions. [2023-11-29 00:46:02,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,712 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,712 INFO L175 Difference]: Start difference. First operand has 207 places, 202 transitions, 469 flow. Second operand 3 states and 713 transitions. [2023-11-29 00:46:02,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 211 transitions, 539 flow [2023-11-29 00:46:02,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 211 transitions, 532 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:46:02,719 INFO L231 Difference]: Finished difference. Result has 206 places, 203 transitions, 474 flow [2023-11-29 00:46:02,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=206, PETRI_TRANSITIONS=203} [2023-11-29 00:46:02,720 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2023-11-29 00:46:02,720 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 203 transitions, 474 flow [2023-11-29 00:46:02,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:02,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:02,721 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:02,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 00:46:02,721 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:02,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:02,721 INFO L85 PathProgramCache]: Analyzing trace with hash -57203614, now seen corresponding path program 1 times [2023-11-29 00:46:02,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:02,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000096879] [2023-11-29 00:46:02,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:02,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 00:46:03,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:03,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000096879] [2023-11-29 00:46:03,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000096879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:03,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:03,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:46:03,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445958780] [2023-11-29 00:46:03,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:03,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:03,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:03,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:03,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:46:03,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 262 [2023-11-29 00:46:03,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 203 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:03,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:03,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 262 [2023-11-29 00:46:03,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:03,704 INFO L124 PetriNetUnfolderBase]: 176/1075 cut-off events. [2023-11-29 00:46:03,704 INFO L125 PetriNetUnfolderBase]: For 10/19 co-relation queries the response was YES. [2023-11-29 00:46:03,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 1075 events. 176/1075 cut-off events. For 10/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5795 event pairs, 38 based on Foata normal form. 4/961 useless extension candidates. Maximal degree in co-relation 990. Up to 142 conditions per place. [2023-11-29 00:46:03,717 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 23 selfloop transitions, 4 changer transitions 0/210 dead transitions. [2023-11-29 00:46:03,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 210 transitions, 542 flow [2023-11-29 00:46:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:46:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2023-11-29 00:46:03,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8689567430025446 [2023-11-29 00:46:03,722 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1366 transitions. [2023-11-29 00:46:03,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1366 transitions. [2023-11-29 00:46:03,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:03,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1366 transitions. [2023-11-29 00:46:03,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 227.66666666666666) internal successors, (1366), 6 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:03,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:03,729 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:03,730 INFO L175 Difference]: Start difference. First operand has 206 places, 203 transitions, 474 flow. Second operand 6 states and 1366 transitions. [2023-11-29 00:46:03,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 210 transitions, 542 flow [2023-11-29 00:46:03,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 210 transitions, 540 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:46:03,735 INFO L231 Difference]: Finished difference. Result has 209 places, 202 transitions, 478 flow [2023-11-29 00:46:03,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=478, PETRI_PLACES=209, PETRI_TRANSITIONS=202} [2023-11-29 00:46:03,736 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-29 00:46:03,736 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 202 transitions, 478 flow [2023-11-29 00:46:03,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:03,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:03,737 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:03,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 00:46:03,737 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 00:46:03,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash 874257224, now seen corresponding path program 1 times [2023-11-29 00:46:03,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:03,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071649931] [2023-11-29 00:46:03,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:03,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 00:46:03,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:03,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071649931] [2023-11-29 00:46:03,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071649931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:03,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:03,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:03,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017283236] [2023-11-29 00:46:03,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:03,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:03,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:03,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:03,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:03,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 262 [2023-11-29 00:46:03,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 202 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:03,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:03,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 262 [2023-11-29 00:46:03,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:04,023 INFO L124 PetriNetUnfolderBase]: 156/1048 cut-off events. [2023-11-29 00:46:04,023 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2023-11-29 00:46:04,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 1048 events. 156/1048 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5643 event pairs, 38 based on Foata normal form. 2/934 useless extension candidates. Maximal degree in co-relation 1359. Up to 142 conditions per place. [2023-11-29 00:46:04,030 INFO L140 encePairwiseOnDemand]: 260/262 looper letters, 0 selfloop transitions, 0 changer transitions 201/201 dead transitions. [2023-11-29 00:46:04,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 201 transitions, 502 flow [2023-11-29 00:46:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2023-11-29 00:46:04,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8956743002544529 [2023-11-29 00:46:04,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 704 transitions. [2023-11-29 00:46:04,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 704 transitions. [2023-11-29 00:46:04,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:04,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 704 transitions. [2023-11-29 00:46:04,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:04,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:04,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:04,038 INFO L175 Difference]: Start difference. First operand has 209 places, 202 transitions, 478 flow. Second operand 3 states and 704 transitions. [2023-11-29 00:46:04,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 201 transitions, 502 flow [2023-11-29 00:46:04,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 201 transitions, 495 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:46:04,042 INFO L231 Difference]: Finished difference. Result has 206 places, 0 transitions, 0 flow [2023-11-29 00:46:04,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=206, PETRI_TRANSITIONS=0} [2023-11-29 00:46:04,042 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2023-11-29 00:46:04,043 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 0 transitions, 0 flow [2023-11-29 00:46:04,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:04,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-29 00:46:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-29 00:46:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-29 00:46:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-29 00:46:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-29 00:46:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-29 00:46:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-29 00:46:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-29 00:46:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-29 00:46:04,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-29 00:46:04,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-29 00:46:04,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-29 00:46:04,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-29 00:46:04,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-29 00:46:04,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-29 00:46:04,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-29 00:46:04,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-29 00:46:04,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-29 00:46:04,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-29 00:46:04,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-29 00:46:04,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-29 00:46:04,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 00:46:04,056 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-29 00:46:04,063 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:46:04,063 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:46:04,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:46:04 BasicIcfg [2023-11-29 00:46:04,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:46:04,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:46:04,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:46:04,069 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:46:04,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:45:54" (3/4) ... [2023-11-29 00:46:04,071 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:46:04,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 00:46:04,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 00:46:04,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 00:46:04,080 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 00:46:04,080 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:46:04,080 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:46:04,081 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:46:04,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:46:04,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:46:04,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:46:04,168 INFO L158 Benchmark]: Toolchain (without parser) took 10167.91ms. Allocated memory was 155.2MB in the beginning and 346.0MB in the end (delta: 190.8MB). Free memory was 87.1MB in the beginning and 275.0MB in the end (delta: -187.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,169 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory was 127.8MB in the beginning and 127.7MB in the end (delta: 79.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:46:04,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.31ms. Allocated memory is still 155.2MB. Free memory was 87.0MB in the beginning and 117.7MB in the end (delta: -30.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.82ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 115.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,170 INFO L158 Benchmark]: Boogie Preprocessor took 35.27ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,170 INFO L158 Benchmark]: RCFGBuilder took 610.89ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 84.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,171 INFO L158 Benchmark]: TraceAbstraction took 9099.95ms. Allocated memory was 155.2MB in the beginning and 346.0MB in the end (delta: 190.8MB). Free memory was 83.7MB in the beginning and 280.2MB in the end (delta: -196.5MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,171 INFO L158 Benchmark]: Witness Printer took 98.91ms. Allocated memory is still 346.0MB. Free memory was 280.2MB in the beginning and 275.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:46:04,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory was 127.8MB in the beginning and 127.7MB in the end (delta: 79.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.31ms. Allocated memory is still 155.2MB. Free memory was 87.0MB in the beginning and 117.7MB in the end (delta: -30.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.82ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 115.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.27ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.89ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 84.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9099.95ms. Allocated memory was 155.2MB in the beginning and 346.0MB in the end (delta: 190.8MB). Free memory was 83.7MB in the beginning and 280.2MB in the end (delta: -196.5MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. * Witness Printer took 98.91ms. Allocated memory is still 346.0MB. Free memory was 280.2MB in the beginning and 275.0MB 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 65]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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 - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: 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 7 procedures, 373 locations, 73 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: 9.0s, OverallIterations: 24, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 778 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 373 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1566 IncrementalHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 130 mSDtfsCounter, 1566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=490occurred in iteration=0, InterpolantAutomatonStates: 81, 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, 2.1s InterpolantComputationTime, 1751 NumberOfCodeBlocks, 1751 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 2114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 18/18 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 00:46:04,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8637c46c-5eb1-47e2-9e57-490f7b93c1af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE