./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:26:44,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:26:44,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:26:45,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:26:45,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:26:45,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:26:45,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:26:45,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:26:45,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:26:45,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:26:45,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:26:45,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:26:45,053 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:26:45,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:26:45,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:26:45,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:26:45,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:26:45,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:26:45,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:26:45,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:26:45,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:26:45,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:26:45,059 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:26:45,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:26:45,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:26:45,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:26:45,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:26:45,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:26:45,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:26:45,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:26:45,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:45,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:26:45,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:26:45,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:26:45,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:26:45,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:26:45,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:26:45,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:26:45,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:26:45,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:26:45,066 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:26:45,066 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_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 [2023-11-06 22:26:45,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:26:45,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:26:45,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:26:45,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:26:45,481 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:26:45,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-06 22:26:48,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:26:49,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:26:49,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-06 22:26:49,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/data/52eaa5b43/bebe84693c994251b26da9bae03bd489/FLAG2e2932aae [2023-11-06 22:26:49,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/data/52eaa5b43/bebe84693c994251b26da9bae03bd489 [2023-11-06 22:26:49,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:26:49,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:26:49,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:49,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:26:49,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:26:49,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a67b03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49, skipping insertion in model container [2023-11-06 22:26:49,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:26:49,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:49,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:26:49,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:49,514 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:49,514 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:49,524 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:26:49,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49 WrapperNode [2023-11-06 22:26:49,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:49,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:26:49,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:26:49,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:26:49,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,614 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 451 [2023-11-06 22:26:49,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:26:49,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:26:49,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:26:49,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:26:49,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:26:49,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:26:49,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:26:49,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:26:49,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (1/1) ... [2023-11-06 22:26:49,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:26:49,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:26:49,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:26:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:26:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:26:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:26:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:26:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:26:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:26:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:26:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:26:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:26:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:26:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:26:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:26:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:26:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:26:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:26:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:26:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:26:49,796 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:26:50,006 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:26:50,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:26:50,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:26:51,330 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:26:51,331 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-06 22:26:51,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:51 BoogieIcfgContainer [2023-11-06 22:26:51,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:26:51,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:26:51,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:26:51,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:26:51,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:26:49" (1/3) ... [2023-11-06 22:26:51,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af5dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:51, skipping insertion in model container [2023-11-06 22:26:51,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:49" (2/3) ... [2023-11-06 22:26:51,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af5dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:51, skipping insertion in model container [2023-11-06 22:26:51,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:51" (3/3) ... [2023-11-06 22:26:51,350 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2023-11-06 22:26:51,360 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:26:51,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:26:51,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-06 22:26:51,373 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:26:51,535 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:26:51,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 424 places, 440 transitions, 901 flow [2023-11-06 22:26:51,866 INFO L124 PetriNetUnfolderBase]: 26/437 cut-off events. [2023-11-06 22:26:51,867 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:26:51,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 437 events. 26/437 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 844 event pairs, 0 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 320. Up to 2 conditions per place. [2023-11-06 22:26:51,877 INFO L82 GeneralOperation]: Start removeDead. Operand has 424 places, 440 transitions, 901 flow [2023-11-06 22:26:51,888 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 399 places, 414 transitions, 846 flow [2023-11-06 22:26:51,892 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:26:51,902 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 414 transitions, 846 flow [2023-11-06 22:26:51,905 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 414 transitions, 846 flow [2023-11-06 22:26:51,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 399 places, 414 transitions, 846 flow [2023-11-06 22:26:51,996 INFO L124 PetriNetUnfolderBase]: 25/414 cut-off events. [2023-11-06 22:26:51,996 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:26:52,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 414 events. 25/414 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 840 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 320. Up to 2 conditions per place. [2023-11-06 22:26:52,022 INFO L119 LiptonReduction]: Number of co-enabled transitions 31122 [2023-11-06 22:27:05,152 INFO L134 LiptonReduction]: Checked pairs total: 205513 [2023-11-06 22:27:05,152 INFO L136 LiptonReduction]: Total number of compositions: 377 [2023-11-06 22:27:05,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:27:05,177 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=LoopsAndPotentialCycles, 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;@7c54ac44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:27:05,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2023-11-06 22:27:05,179 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:27:05,179 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:27:05,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:27:05,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:05,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:27:05,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:05,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1868, now seen corresponding path program 1 times [2023-11-06 22:27:05,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:05,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786976860] [2023-11-06 22:27:05,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:05,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:05,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786976860] [2023-11-06 22:27:05,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786976860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:05,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:05,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:27:05,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522324909] [2023-11-06 22:27:05,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:05,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:27:05,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:27:05,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:27:05,358 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 817 [2023-11-06 22:27:05,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 155 transitions, 328 flow. Second operand has 2 states, 2 states have (on average 401.5) internal successors, (803), 2 states have internal predecessors, (803), 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) [2023-11-06 22:27:05,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:05,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 817 [2023-11-06 22:27:05,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:06,526 INFO L124 PetriNetUnfolderBase]: 2339/5773 cut-off events. [2023-11-06 22:27:06,526 INFO L125 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES. [2023-11-06 22:27:06,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9029 conditions, 5773 events. 2339/5773 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 51279 event pairs, 1473 based on Foata normal form. 1182/5677 useless extension candidates. Maximal degree in co-relation 7939. Up to 3109 conditions per place. [2023-11-06 22:27:06,663 INFO L140 encePairwiseOnDemand]: 783/817 looper letters, 36 selfloop transitions, 0 changer transitions 1/121 dead transitions. [2023-11-06 22:27:06,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 121 transitions, 334 flow [2023-11-06 22:27:06,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:27:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:27:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 873 transitions. [2023-11-06 22:27:06,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5342717258261934 [2023-11-06 22:27:06,687 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 873 transitions. [2023-11-06 22:27:06,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 873 transitions. [2023-11-06 22:27:06,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:06,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 873 transitions. [2023-11-06 22:27:06,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 436.5) internal successors, (873), 2 states have internal predecessors, (873), 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) [2023-11-06 22:27:06,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 817.0) internal successors, (2451), 3 states have internal predecessors, (2451), 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) [2023-11-06 22:27:06,714 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 817.0) internal successors, (2451), 3 states have internal predecessors, (2451), 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) [2023-11-06 22:27:06,716 INFO L175 Difference]: Start difference. First operand has 149 places, 155 transitions, 328 flow. Second operand 2 states and 873 transitions. [2023-11-06 22:27:06,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 121 transitions, 334 flow [2023-11-06 22:27:06,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 121 transitions, 322 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:27:06,729 INFO L231 Difference]: Finished difference. Result has 118 places, 120 transitions, 245 flow [2023-11-06 22:27:06,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=245, PETRI_PLACES=118, PETRI_TRANSITIONS=120} [2023-11-06 22:27:06,735 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -31 predicate places. [2023-11-06 22:27:06,736 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 120 transitions, 245 flow [2023-11-06 22:27:06,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 401.5) internal successors, (803), 2 states have internal predecessors, (803), 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) [2023-11-06 22:27:06,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:06,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:06,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:27:06,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:06,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:06,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1113787460, now seen corresponding path program 1 times [2023-11-06 22:27:06,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:06,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945231568] [2023-11-06 22:27:06,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:06,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:06,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:06,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945231568] [2023-11-06 22:27:06,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945231568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:06,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:06,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:27:06,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076480012] [2023-11-06 22:27:06,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:06,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:27:06,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:06,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:27:06,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:27:06,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 817 [2023-11-06 22:27:06,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 120 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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) [2023-11-06 22:27:06,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:06,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 817 [2023-11-06 22:27:06,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:08,122 INFO L124 PetriNetUnfolderBase]: 3499/7610 cut-off events. [2023-11-06 22:27:08,122 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-06 22:27:08,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12381 conditions, 7610 events. 3499/7610 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 65243 event pairs, 2423 based on Foata normal form. 0/6008 useless extension candidates. Maximal degree in co-relation 12378. Up to 4711 conditions per place. [2023-11-06 22:27:08,208 INFO L140 encePairwiseOnDemand]: 814/817 looper letters, 39 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2023-11-06 22:27:08,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 118 transitions, 321 flow [2023-11-06 22:27:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:27:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:27:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2023-11-06 22:27:08,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4920440636474908 [2023-11-06 22:27:08,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2023-11-06 22:27:08,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2023-11-06 22:27:08,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:08,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2023-11-06 22:27:08,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 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) [2023-11-06 22:27:08,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:08,231 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:08,231 INFO L175 Difference]: Start difference. First operand has 118 places, 120 transitions, 245 flow. Second operand 3 states and 1206 transitions. [2023-11-06 22:27:08,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 118 transitions, 321 flow [2023-11-06 22:27:08,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 118 transitions, 321 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:27:08,236 INFO L231 Difference]: Finished difference. Result has 117 places, 118 transitions, 243 flow [2023-11-06 22:27:08,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=117, PETRI_TRANSITIONS=118} [2023-11-06 22:27:08,238 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -32 predicate places. [2023-11-06 22:27:08,238 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 118 transitions, 243 flow [2023-11-06 22:27:08,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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) [2023-11-06 22:27:08,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:08,240 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:08,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:27:08,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:08,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash 902942633, now seen corresponding path program 1 times [2023-11-06 22:27:08,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:08,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841196182] [2023-11-06 22:27:08,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:08,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:08,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841196182] [2023-11-06 22:27:08,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841196182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:08,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:08,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:27:08,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824156167] [2023-11-06 22:27:08,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:08,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:27:08,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:08,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:27:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:27:08,352 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 817 [2023-11-06 22:27:08,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 118 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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) [2023-11-06 22:27:08,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:08,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 817 [2023-11-06 22:27:08,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:10,211 INFO L124 PetriNetUnfolderBase]: 6401/12896 cut-off events. [2023-11-06 22:27:10,211 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2023-11-06 22:27:10,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21630 conditions, 12896 events. 6401/12896 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 109879 event pairs, 2531 based on Foata normal form. 0/11515 useless extension candidates. Maximal degree in co-relation 21626. Up to 8518 conditions per place. [2023-11-06 22:27:10,319 INFO L140 encePairwiseOnDemand]: 808/817 looper letters, 58 selfloop transitions, 3 changer transitions 0/128 dead transitions. [2023-11-06 22:27:10,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 128 transitions, 389 flow [2023-11-06 22:27:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:27:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:27:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2023-11-06 22:27:10,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4949000407996736 [2023-11-06 22:27:10,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions. [2023-11-06 22:27:10,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions. [2023-11-06 22:27:10,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:10,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions. [2023-11-06 22:27:10,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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) [2023-11-06 22:27:10,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:10,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:10,341 INFO L175 Difference]: Start difference. First operand has 117 places, 118 transitions, 243 flow. Second operand 3 states and 1213 transitions. [2023-11-06 22:27:10,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 128 transitions, 389 flow [2023-11-06 22:27:10,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 128 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:27:10,349 INFO L231 Difference]: Finished difference. Result has 113 places, 115 transitions, 251 flow [2023-11-06 22:27:10,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=113, PETRI_TRANSITIONS=115} [2023-11-06 22:27:10,351 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -36 predicate places. [2023-11-06 22:27:10,351 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 115 transitions, 251 flow [2023-11-06 22:27:10,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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) [2023-11-06 22:27:10,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:10,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:10,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:27:10,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:10,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:10,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1337044180, now seen corresponding path program 1 times [2023-11-06 22:27:10,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:10,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552728817] [2023-11-06 22:27:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:10,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:10,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552728817] [2023-11-06 22:27:10,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552728817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:10,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:10,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:27:10,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406481661] [2023-11-06 22:27:10,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:10,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:27:10,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:10,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:27:10,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:27:10,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 817 [2023-11-06 22:27:10,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 115 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 390.6666666666667) internal successors, (1172), 3 states have internal predecessors, (1172), 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) [2023-11-06 22:27:10,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:10,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 817 [2023-11-06 22:27:10,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:11,923 INFO L124 PetriNetUnfolderBase]: 3482/8359 cut-off events. [2023-11-06 22:27:11,924 INFO L125 PetriNetUnfolderBase]: For 645/673 co-relation queries the response was YES. [2023-11-06 22:27:11,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13916 conditions, 8359 events. 3482/8359 cut-off events. For 645/673 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 77672 event pairs, 2270 based on Foata normal form. 0/7290 useless extension candidates. Maximal degree in co-relation 13912. Up to 4726 conditions per place. [2023-11-06 22:27:11,996 INFO L140 encePairwiseOnDemand]: 814/817 looper letters, 41 selfloop transitions, 1 changer transitions 0/113 dead transitions. [2023-11-06 22:27:11,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 113 transitions, 331 flow [2023-11-06 22:27:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:27:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:27:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1205 transitions. [2023-11-06 22:27:12,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4916360669114647 [2023-11-06 22:27:12,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1205 transitions. [2023-11-06 22:27:12,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1205 transitions. [2023-11-06 22:27:12,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:12,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1205 transitions. [2023-11-06 22:27:12,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 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) [2023-11-06 22:27:12,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:12,019 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:12,019 INFO L175 Difference]: Start difference. First operand has 113 places, 115 transitions, 251 flow. Second operand 3 states and 1205 transitions. [2023-11-06 22:27:12,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 113 transitions, 331 flow [2023-11-06 22:27:12,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 113 transitions, 331 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:27:12,026 INFO L231 Difference]: Finished difference. Result has 113 places, 113 transitions, 249 flow [2023-11-06 22:27:12,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=113, PETRI_TRANSITIONS=113} [2023-11-06 22:27:12,028 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -36 predicate places. [2023-11-06 22:27:12,029 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 113 transitions, 249 flow [2023-11-06 22:27:12,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.6666666666667) internal successors, (1172), 3 states have internal predecessors, (1172), 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) [2023-11-06 22:27:12,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:12,030 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:12,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:27:12,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:12,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:12,031 INFO L85 PathProgramCache]: Analyzing trace with hash 398513338, now seen corresponding path program 1 times [2023-11-06 22:27:12,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:12,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286493904] [2023-11-06 22:27:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:12,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:12,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286493904] [2023-11-06 22:27:12,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286493904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:12,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:12,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:27:12,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358792022] [2023-11-06 22:27:12,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:12,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:27:12,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:12,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:27:12,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:27:12,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 817 [2023-11-06 22:27:12,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 113 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 389.25) internal successors, (1557), 4 states have internal predecessors, (1557), 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) [2023-11-06 22:27:12,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:12,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 817 [2023-11-06 22:27:12,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:13,464 INFO L124 PetriNetUnfolderBase]: 2435/5862 cut-off events. [2023-11-06 22:27:13,465 INFO L125 PetriNetUnfolderBase]: For 631/631 co-relation queries the response was YES. [2023-11-06 22:27:13,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9817 conditions, 5862 events. 2435/5862 cut-off events. For 631/631 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 51657 event pairs, 1411 based on Foata normal form. 1/4683 useless extension candidates. Maximal degree in co-relation 9812. Up to 3253 conditions per place. [2023-11-06 22:27:13,527 INFO L140 encePairwiseOnDemand]: 813/817 looper letters, 38 selfloop transitions, 2 changer transitions 2/116 dead transitions. [2023-11-06 22:27:13,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 116 transitions, 339 flow [2023-11-06 22:27:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:27:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:27:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1588 transitions. [2023-11-06 22:27:13,538 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48592411260709917 [2023-11-06 22:27:13,538 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1588 transitions. [2023-11-06 22:27:13,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1588 transitions. [2023-11-06 22:27:13,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:13,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1588 transitions. [2023-11-06 22:27:13,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 397.0) internal successors, (1588), 4 states have internal predecessors, (1588), 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) [2023-11-06 22:27:13,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 817.0) internal successors, (4085), 5 states have internal predecessors, (4085), 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) [2023-11-06 22:27:13,559 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 817.0) internal successors, (4085), 5 states have internal predecessors, (4085), 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) [2023-11-06 22:27:13,559 INFO L175 Difference]: Start difference. First operand has 113 places, 113 transitions, 249 flow. Second operand 4 states and 1588 transitions. [2023-11-06 22:27:13,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 116 transitions, 339 flow [2023-11-06 22:27:13,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 116 transitions, 338 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:27:13,565 INFO L231 Difference]: Finished difference. Result has 117 places, 114 transitions, 262 flow [2023-11-06 22:27:13,565 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=262, PETRI_PLACES=117, PETRI_TRANSITIONS=114} [2023-11-06 22:27:13,568 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -32 predicate places. [2023-11-06 22:27:13,569 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 114 transitions, 262 flow [2023-11-06 22:27:13,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 389.25) internal successors, (1557), 4 states have internal predecessors, (1557), 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) [2023-11-06 22:27:13,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:13,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:13,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:27:13,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:13,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash 153944133, now seen corresponding path program 1 times [2023-11-06 22:27:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940332817] [2023-11-06 22:27:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:13,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:27:14,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:14,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940332817] [2023-11-06 22:27:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940332817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:14,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:14,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:27:14,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640343220] [2023-11-06 22:27:14,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:14,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:27:14,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:14,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:27:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:27:14,712 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 817 [2023-11-06 22:27:14,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 114 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 385.3333333333333) internal successors, (2312), 6 states have internal predecessors, (2312), 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) [2023-11-06 22:27:14,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:14,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 817 [2023-11-06 22:27:14,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:16,637 INFO L124 PetriNetUnfolderBase]: 6926/12438 cut-off events. [2023-11-06 22:27:16,637 INFO L125 PetriNetUnfolderBase]: For 1522/1522 co-relation queries the response was YES. [2023-11-06 22:27:16,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23119 conditions, 12438 events. 6926/12438 cut-off events. For 1522/1522 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 99006 event pairs, 1470 based on Foata normal form. 0/11143 useless extension candidates. Maximal degree in co-relation 23112. Up to 3258 conditions per place. [2023-11-06 22:27:16,770 INFO L140 encePairwiseOnDemand]: 812/817 looper letters, 136 selfloop transitions, 4 changer transitions 0/209 dead transitions. [2023-11-06 22:27:16,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 209 transitions, 792 flow [2023-11-06 22:27:16,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:27:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:27:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2423 transitions. [2023-11-06 22:27:16,783 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49428804569563445 [2023-11-06 22:27:16,784 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2423 transitions. [2023-11-06 22:27:16,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2423 transitions. [2023-11-06 22:27:16,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:16,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2423 transitions. [2023-11-06 22:27:16,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 403.8333333333333) internal successors, (2423), 6 states have internal predecessors, (2423), 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) [2023-11-06 22:27:16,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:16,817 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:16,817 INFO L175 Difference]: Start difference. First operand has 117 places, 114 transitions, 262 flow. Second operand 6 states and 2423 transitions. [2023-11-06 22:27:16,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 209 transitions, 792 flow [2023-11-06 22:27:16,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 209 transitions, 786 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-11-06 22:27:16,827 INFO L231 Difference]: Finished difference. Result has 118 places, 113 transitions, 262 flow [2023-11-06 22:27:16,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=118, PETRI_TRANSITIONS=113} [2023-11-06 22:27:16,830 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -31 predicate places. [2023-11-06 22:27:16,831 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 113 transitions, 262 flow [2023-11-06 22:27:16,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 385.3333333333333) internal successors, (2312), 6 states have internal predecessors, (2312), 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) [2023-11-06 22:27:16,833 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:16,833 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:16,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:27:16,833 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:16,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:16,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1502021656, now seen corresponding path program 1 times [2023-11-06 22:27:16,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:16,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079766007] [2023-11-06 22:27:16,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:16,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:27:17,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079766007] [2023-11-06 22:27:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079766007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:17,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:17,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:27:17,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175635876] [2023-11-06 22:27:17,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:17,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:27:17,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:17,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:27:17,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:27:17,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 817 [2023-11-06 22:27:17,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 113 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 378.0) internal successors, (2268), 6 states have internal predecessors, (2268), 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) [2023-11-06 22:27:17,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:17,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 817 [2023-11-06 22:27:17,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:19,273 INFO L124 PetriNetUnfolderBase]: 5203/9276 cut-off events. [2023-11-06 22:27:19,274 INFO L125 PetriNetUnfolderBase]: For 1692/1692 co-relation queries the response was YES. [2023-11-06 22:27:19,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18796 conditions, 9276 events. 5203/9276 cut-off events. For 1692/1692 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 72429 event pairs, 961 based on Foata normal form. 0/8248 useless extension candidates. Maximal degree in co-relation 18790. Up to 3502 conditions per place. [2023-11-06 22:27:19,361 INFO L140 encePairwiseOnDemand]: 810/817 looper letters, 125 selfloop transitions, 5 changer transitions 0/191 dead transitions. [2023-11-06 22:27:19,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 191 transitions, 710 flow [2023-11-06 22:27:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:27:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:27:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2384 transitions. [2023-11-06 22:27:19,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48633210934312526 [2023-11-06 22:27:19,371 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2384 transitions. [2023-11-06 22:27:19,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2384 transitions. [2023-11-06 22:27:19,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:19,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2384 transitions. [2023-11-06 22:27:19,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 397.3333333333333) internal successors, (2384), 6 states have internal predecessors, (2384), 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) [2023-11-06 22:27:19,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:19,393 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:19,393 INFO L175 Difference]: Start difference. First operand has 118 places, 113 transitions, 262 flow. Second operand 6 states and 2384 transitions. [2023-11-06 22:27:19,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 191 transitions, 710 flow [2023-11-06 22:27:19,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 191 transitions, 695 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:27:19,415 INFO L231 Difference]: Finished difference. Result has 117 places, 111 transitions, 261 flow [2023-11-06 22:27:19,415 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=261, PETRI_PLACES=117, PETRI_TRANSITIONS=111} [2023-11-06 22:27:19,416 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -32 predicate places. [2023-11-06 22:27:19,416 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 111 transitions, 261 flow [2023-11-06 22:27:19,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 378.0) internal successors, (2268), 6 states have internal predecessors, (2268), 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) [2023-11-06 22:27:19,418 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:19,418 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:19,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:27:19,418 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:19,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:19,419 INFO L85 PathProgramCache]: Analyzing trace with hash 333842714, now seen corresponding path program 1 times [2023-11-06 22:27:19,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:19,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686941384] [2023-11-06 22:27:19,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:27:19,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:19,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686941384] [2023-11-06 22:27:19,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686941384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:19,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:19,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:27:19,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636408429] [2023-11-06 22:27:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:19,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:27:19,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:19,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:27:19,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:27:19,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 817 [2023-11-06 22:27:19,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 111 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 390.6666666666667) internal successors, (1172), 3 states have internal predecessors, (1172), 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) [2023-11-06 22:27:19,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:19,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 817 [2023-11-06 22:27:19,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:20,417 INFO L124 PetriNetUnfolderBase]: 3485/7767 cut-off events. [2023-11-06 22:27:20,417 INFO L125 PetriNetUnfolderBase]: For 968/968 co-relation queries the response was YES. [2023-11-06 22:27:20,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13564 conditions, 7767 events. 3485/7767 cut-off events. For 968/968 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 67213 event pairs, 2165 based on Foata normal form. 0/7089 useless extension candidates. Maximal degree in co-relation 13558. Up to 4670 conditions per place. [2023-11-06 22:27:20,481 INFO L140 encePairwiseOnDemand]: 813/817 looper letters, 42 selfloop transitions, 1 changer transitions 0/108 dead transitions. [2023-11-06 22:27:20,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 108 transitions, 341 flow [2023-11-06 22:27:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:27:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:27:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2023-11-06 22:27:20,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4920440636474908 [2023-11-06 22:27:20,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2023-11-06 22:27:20,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2023-11-06 22:27:20,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:20,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2023-11-06 22:27:20,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 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) [2023-11-06 22:27:20,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:20,507 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 817.0) internal successors, (3268), 4 states have internal predecessors, (3268), 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) [2023-11-06 22:27:20,508 INFO L175 Difference]: Start difference. First operand has 117 places, 111 transitions, 261 flow. Second operand 3 states and 1206 transitions. [2023-11-06 22:27:20,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 108 transitions, 341 flow [2023-11-06 22:27:20,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 108 transitions, 331 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:27:20,518 INFO L231 Difference]: Finished difference. Result has 111 places, 108 transitions, 247 flow [2023-11-06 22:27:20,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=111, PETRI_TRANSITIONS=108} [2023-11-06 22:27:20,522 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -38 predicate places. [2023-11-06 22:27:20,522 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 108 transitions, 247 flow [2023-11-06 22:27:20,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.6666666666667) internal successors, (1172), 3 states have internal predecessors, (1172), 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) [2023-11-06 22:27:20,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:20,523 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:20,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:27:20,524 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:20,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:20,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1436936032, now seen corresponding path program 1 times [2023-11-06 22:27:20,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:20,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140430891] [2023-11-06 22:27:20,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:20,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:20,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:20,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140430891] [2023-11-06 22:27:20,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140430891] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:27:20,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602791874] [2023-11-06 22:27:20,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:20,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:27:20,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:20,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:27:20,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:27:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:20,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:27:20,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:21,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:27:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:21,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602791874] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:27:21,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:27:21,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-06 22:27:21,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111104824] [2023-11-06 22:27:21,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:27:21,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:27:21,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:21,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:27:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:27:22,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 817 [2023-11-06 22:27:22,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 108 transitions, 247 flow. Second operand has 13 states, 13 states have (on average 377.46153846153845) internal successors, (4907), 13 states have internal predecessors, (4907), 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) [2023-11-06 22:27:22,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:22,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 817 [2023-11-06 22:27:22,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:23,275 INFO L124 PetriNetUnfolderBase]: 3429/8259 cut-off events. [2023-11-06 22:27:23,275 INFO L125 PetriNetUnfolderBase]: For 891/891 co-relation queries the response was YES. [2023-11-06 22:27:23,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14282 conditions, 8259 events. 3429/8259 cut-off events. For 891/891 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 77599 event pairs, 1828 based on Foata normal form. 142/7277 useless extension candidates. Maximal degree in co-relation 14276. Up to 3226 conditions per place. [2023-11-06 22:27:23,330 INFO L140 encePairwiseOnDemand]: 810/817 looper letters, 89 selfloop transitions, 7 changer transitions 0/163 dead transitions. [2023-11-06 22:27:23,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 163 transitions, 583 flow [2023-11-06 22:27:23,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:27:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:27:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2722 transitions. [2023-11-06 22:27:23,342 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4759573351984613 [2023-11-06 22:27:23,342 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2722 transitions. [2023-11-06 22:27:23,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2722 transitions. [2023-11-06 22:27:23,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:23,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2722 transitions. [2023-11-06 22:27:23,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 388.85714285714283) internal successors, (2722), 7 states have internal predecessors, (2722), 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) [2023-11-06 22:27:23,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 817.0) internal successors, (6536), 8 states have internal predecessors, (6536), 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) [2023-11-06 22:27:23,366 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 817.0) internal successors, (6536), 8 states have internal predecessors, (6536), 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) [2023-11-06 22:27:23,367 INFO L175 Difference]: Start difference. First operand has 111 places, 108 transitions, 247 flow. Second operand 7 states and 2722 transitions. [2023-11-06 22:27:23,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 163 transitions, 583 flow [2023-11-06 22:27:23,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 163 transitions, 581 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:27:23,371 INFO L231 Difference]: Finished difference. Result has 120 places, 113 transitions, 300 flow [2023-11-06 22:27:23,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=300, PETRI_PLACES=120, PETRI_TRANSITIONS=113} [2023-11-06 22:27:23,372 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -29 predicate places. [2023-11-06 22:27:23,373 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 113 transitions, 300 flow [2023-11-06 22:27:23,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 377.46153846153845) internal successors, (4907), 13 states have internal predecessors, (4907), 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) [2023-11-06 22:27:23,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:23,375 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:23,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:27:23,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:27:23,581 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:23,581 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:23,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1253164363, now seen corresponding path program 2 times [2023-11-06 22:27:23,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:23,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923204257] [2023-11-06 22:27:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:23,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:27:23,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:23,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923204257] [2023-11-06 22:27:23,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923204257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:23,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:23,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:27:23,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011862735] [2023-11-06 22:27:23,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:23,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:27:23,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:23,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:27:23,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:27:24,752 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 817 [2023-11-06 22:27:24,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 300 flow. Second operand has 6 states, 6 states have (on average 378.3333333333333) internal successors, (2270), 6 states have internal predecessors, (2270), 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) [2023-11-06 22:27:24,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:24,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 817 [2023-11-06 22:27:24,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:26,462 INFO L124 PetriNetUnfolderBase]: 6543/12232 cut-off events. [2023-11-06 22:27:26,462 INFO L125 PetriNetUnfolderBase]: For 2696/2696 co-relation queries the response was YES. [2023-11-06 22:27:26,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23979 conditions, 12232 events. 6543/12232 cut-off events. For 2696/2696 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 104852 event pairs, 1722 based on Foata normal form. 0/10937 useless extension candidates. Maximal degree in co-relation 23969. Up to 3884 conditions per place. [2023-11-06 22:27:26,543 INFO L140 encePairwiseOnDemand]: 810/817 looper letters, 130 selfloop transitions, 5 changer transitions 0/191 dead transitions. [2023-11-06 22:27:26,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 191 transitions, 750 flow [2023-11-06 22:27:26,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:27:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:27:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2384 transitions. [2023-11-06 22:27:26,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48633210934312526 [2023-11-06 22:27:26,557 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2384 transitions. [2023-11-06 22:27:26,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2384 transitions. [2023-11-06 22:27:26,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:26,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2384 transitions. [2023-11-06 22:27:26,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 397.3333333333333) internal successors, (2384), 6 states have internal predecessors, (2384), 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) [2023-11-06 22:27:26,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:26,578 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:26,579 INFO L175 Difference]: Start difference. First operand has 120 places, 113 transitions, 300 flow. Second operand 6 states and 2384 transitions. [2023-11-06 22:27:26,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 191 transitions, 750 flow [2023-11-06 22:27:26,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 191 transitions, 740 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-06 22:27:26,586 INFO L231 Difference]: Finished difference. Result has 121 places, 111 transitions, 296 flow [2023-11-06 22:27:26,587 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=121, PETRI_TRANSITIONS=111} [2023-11-06 22:27:26,588 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -28 predicate places. [2023-11-06 22:27:26,588 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 111 transitions, 296 flow [2023-11-06 22:27:26,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 378.3333333333333) internal successors, (2270), 6 states have internal predecessors, (2270), 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) [2023-11-06 22:27:26,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:26,589 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] [2023-11-06 22:27:26,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:27:26,590 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:26,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1281860748, now seen corresponding path program 1 times [2023-11-06 22:27:26,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:26,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647155251] [2023-11-06 22:27:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:27:26,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647155251] [2023-11-06 22:27:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647155251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:26,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:26,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:27:26,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109300532] [2023-11-06 22:27:26,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:26,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:27:26,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:27:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:27:27,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 817 [2023-11-06 22:27:27,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 111 transitions, 296 flow. Second operand has 6 states, 6 states have (on average 378.6666666666667) internal successors, (2272), 6 states have internal predecessors, (2272), 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) [2023-11-06 22:27:27,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:27,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 817 [2023-11-06 22:27:27,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:28,813 INFO L124 PetriNetUnfolderBase]: 5354/9195 cut-off events. [2023-11-06 22:27:28,813 INFO L125 PetriNetUnfolderBase]: For 3604/4049 co-relation queries the response was YES. [2023-11-06 22:27:28,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19698 conditions, 9195 events. 5354/9195 cut-off events. For 3604/4049 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 70945 event pairs, 1034 based on Foata normal form. 445/8731 useless extension candidates. Maximal degree in co-relation 19688. Up to 3620 conditions per place. [2023-11-06 22:27:28,891 INFO L140 encePairwiseOnDemand]: 810/817 looper letters, 118 selfloop transitions, 5 changer transitions 0/181 dead transitions. [2023-11-06 22:27:28,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 181 transitions, 746 flow [2023-11-06 22:27:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:27:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:27:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2369 transitions. [2023-11-06 22:27:28,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48327213382292944 [2023-11-06 22:27:28,901 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2369 transitions. [2023-11-06 22:27:28,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2369 transitions. [2023-11-06 22:27:28,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:28,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2369 transitions. [2023-11-06 22:27:28,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 394.8333333333333) internal successors, (2369), 6 states have internal predecessors, (2369), 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) [2023-11-06 22:27:28,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:28,922 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:28,922 INFO L175 Difference]: Start difference. First operand has 121 places, 111 transitions, 296 flow. Second operand 6 states and 2369 transitions. [2023-11-06 22:27:28,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 181 transitions, 746 flow [2023-11-06 22:27:28,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 181 transitions, 728 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:27:28,928 INFO L231 Difference]: Finished difference. Result has 119 places, 109 transitions, 292 flow [2023-11-06 22:27:28,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=292, PETRI_PLACES=119, PETRI_TRANSITIONS=109} [2023-11-06 22:27:28,930 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -30 predicate places. [2023-11-06 22:27:28,930 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 109 transitions, 292 flow [2023-11-06 22:27:28,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 378.6666666666667) internal successors, (2272), 6 states have internal predecessors, (2272), 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) [2023-11-06 22:27:28,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:28,931 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] [2023-11-06 22:27:28,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:27:28,931 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:28,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash 193670150, now seen corresponding path program 1 times [2023-11-06 22:27:28,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:28,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445018649] [2023-11-06 22:27:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:29,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445018649] [2023-11-06 22:27:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445018649] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:27:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813572529] [2023-11-06 22:27:29,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:29,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:27:29,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:29,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:27:29,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:27:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:29,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:27:29,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:29,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:27:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:29,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813572529] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:27:29,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:27:29,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-11-06 22:27:29,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472403011] [2023-11-06 22:27:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:29,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:27:29,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:27:29,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:27:29,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 817 [2023-11-06 22:27:29,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 109 transitions, 292 flow. Second operand has 5 states, 5 states have (on average 380.8) internal successors, (1904), 5 states have internal predecessors, (1904), 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) [2023-11-06 22:27:29,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:29,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 817 [2023-11-06 22:27:29,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:30,631 INFO L124 PetriNetUnfolderBase]: 3283/7686 cut-off events. [2023-11-06 22:27:30,631 INFO L125 PetriNetUnfolderBase]: For 2359/2678 co-relation queries the response was YES. [2023-11-06 22:27:30,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14633 conditions, 7686 events. 3283/7686 cut-off events. For 2359/2678 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 66619 event pairs, 1274 based on Foata normal form. 448/7433 useless extension candidates. Maximal degree in co-relation 14623. Up to 2528 conditions per place. [2023-11-06 22:27:30,699 INFO L140 encePairwiseOnDemand]: 811/817 looper letters, 64 selfloop transitions, 5 changer transitions 0/133 dead transitions. [2023-11-06 22:27:30,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 133 transitions, 506 flow [2023-11-06 22:27:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:27:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:27:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1950 transitions. [2023-11-06 22:27:30,708 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4773561811505508 [2023-11-06 22:27:30,708 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1950 transitions. [2023-11-06 22:27:30,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1950 transitions. [2023-11-06 22:27:30,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:30,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1950 transitions. [2023-11-06 22:27:30,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 390.0) internal successors, (1950), 5 states have internal predecessors, (1950), 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) [2023-11-06 22:27:30,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 817.0) internal successors, (4902), 6 states have internal predecessors, (4902), 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) [2023-11-06 22:27:30,728 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 817.0) internal successors, (4902), 6 states have internal predecessors, (4902), 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) [2023-11-06 22:27:30,729 INFO L175 Difference]: Start difference. First operand has 119 places, 109 transitions, 292 flow. Second operand 5 states and 1950 transitions. [2023-11-06 22:27:30,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 133 transitions, 506 flow [2023-11-06 22:27:30,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 133 transitions, 492 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:27:30,739 INFO L231 Difference]: Finished difference. Result has 120 places, 110 transitions, 307 flow [2023-11-06 22:27:30,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=307, PETRI_PLACES=120, PETRI_TRANSITIONS=110} [2023-11-06 22:27:30,740 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -29 predicate places. [2023-11-06 22:27:30,740 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 110 transitions, 307 flow [2023-11-06 22:27:30,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 380.8) internal successors, (1904), 5 states have internal predecessors, (1904), 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) [2023-11-06 22:27:30,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:30,741 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2023-11-06 22:27:30,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:30,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:27:30,947 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:30,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:30,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1530813002, now seen corresponding path program 1 times [2023-11-06 22:27:30,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:30,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580378561] [2023-11-06 22:27:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:30,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:27:31,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:31,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580378561] [2023-11-06 22:27:31,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580378561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:31,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:31,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:27:31,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548326508] [2023-11-06 22:27:31,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:31,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:27:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:31,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:27:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:27:32,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 817 [2023-11-06 22:27:32,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 110 transitions, 307 flow. Second operand has 6 states, 6 states have (on average 386.3333333333333) internal successors, (2318), 6 states have internal predecessors, (2318), 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) [2023-11-06 22:27:32,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:32,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 817 [2023-11-06 22:27:32,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:33,504 INFO L124 PetriNetUnfolderBase]: 3418/7255 cut-off events. [2023-11-06 22:27:33,504 INFO L125 PetriNetUnfolderBase]: For 3916/4502 co-relation queries the response was YES. [2023-11-06 22:27:33,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15150 conditions, 7255 events. 3418/7255 cut-off events. For 3916/4502 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 61960 event pairs, 1670 based on Foata normal form. 586/6996 useless extension candidates. Maximal degree in co-relation 15138. Up to 3637 conditions per place. [2023-11-06 22:27:33,571 INFO L140 encePairwiseOnDemand]: 812/817 looper letters, 109 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2023-11-06 22:27:33,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 173 transitions, 707 flow [2023-11-06 22:27:33,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:27:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:27:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2399 transitions. [2023-11-06 22:27:33,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4893920848633211 [2023-11-06 22:27:33,583 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2399 transitions. [2023-11-06 22:27:33,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2399 transitions. [2023-11-06 22:27:33,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:33,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2399 transitions. [2023-11-06 22:27:33,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 399.8333333333333) internal successors, (2399), 6 states have internal predecessors, (2399), 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) [2023-11-06 22:27:33,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:33,604 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:33,604 INFO L175 Difference]: Start difference. First operand has 120 places, 110 transitions, 307 flow. Second operand 6 states and 2399 transitions. [2023-11-06 22:27:33,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 173 transitions, 707 flow [2023-11-06 22:27:33,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 173 transitions, 701 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:27:33,611 INFO L231 Difference]: Finished difference. Result has 121 places, 109 transitions, 307 flow [2023-11-06 22:27:33,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=307, PETRI_PLACES=121, PETRI_TRANSITIONS=109} [2023-11-06 22:27:33,612 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -28 predicate places. [2023-11-06 22:27:33,612 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 109 transitions, 307 flow [2023-11-06 22:27:33,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.3333333333333) internal successors, (2318), 6 states have internal predecessors, (2318), 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) [2023-11-06 22:27:33,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:27:33,613 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2023-11-06 22:27:33,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:27:33,614 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-06 22:27:33,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2062403843, now seen corresponding path program 1 times [2023-11-06 22:27:33,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:33,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294689766] [2023-11-06 22:27:33,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:33,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:27:34,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:27:34,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294689766] [2023-11-06 22:27:34,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294689766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:27:34,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:27:34,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:27:34,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393141711] [2023-11-06 22:27:34,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:27:34,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:27:34,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:27:34,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:27:34,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:27:34,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 817 [2023-11-06 22:27:34,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 109 transitions, 307 flow. Second operand has 6 states, 6 states have (on average 386.8333333333333) internal successors, (2321), 6 states have internal predecessors, (2321), 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) [2023-11-06 22:27:34,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:27:34,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 817 [2023-11-06 22:27:34,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:27:35,627 INFO L124 PetriNetUnfolderBase]: 2914/6735 cut-off events. [2023-11-06 22:27:35,627 INFO L125 PetriNetUnfolderBase]: For 3262/3784 co-relation queries the response was YES. [2023-11-06 22:27:35,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13760 conditions, 6735 events. 2914/6735 cut-off events. For 3262/3784 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 59256 event pairs, 1788 based on Foata normal form. 522/6484 useless extension candidates. Maximal degree in co-relation 13748. Up to 3879 conditions per place. [2023-11-06 22:27:35,659 INFO L140 encePairwiseOnDemand]: 812/817 looper letters, 0 selfloop transitions, 0 changer transitions 144/144 dead transitions. [2023-11-06 22:27:35,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 144 transitions, 555 flow [2023-11-06 22:27:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:27:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:27:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2375 transitions. [2023-11-06 22:27:35,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4844961240310077 [2023-11-06 22:27:35,667 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2375 transitions. [2023-11-06 22:27:35,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2375 transitions. [2023-11-06 22:27:35,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:27:35,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2375 transitions. [2023-11-06 22:27:35,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:27:35,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:35,683 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 817.0) internal successors, (5719), 7 states have internal predecessors, (5719), 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) [2023-11-06 22:27:35,683 INFO L175 Difference]: Start difference. First operand has 121 places, 109 transitions, 307 flow. Second operand 6 states and 2375 transitions. [2023-11-06 22:27:35,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 144 transitions, 555 flow [2023-11-06 22:27:35,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 144 transitions, 548 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:27:35,690 INFO L231 Difference]: Finished difference. Result has 121 places, 0 transitions, 0 flow [2023-11-06 22:27:35,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=817, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=121, PETRI_TRANSITIONS=0} [2023-11-06 22:27:35,691 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -28 predicate places. [2023-11-06 22:27:35,692 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 0 transitions, 0 flow [2023-11-06 22:27:35,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.8333333333333) internal successors, (2321), 6 states have internal predecessors, (2321), 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) [2023-11-06 22:27:35,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (81 of 82 remaining) [2023-11-06 22:27:35,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (80 of 82 remaining) [2023-11-06 22:27:35,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (79 of 82 remaining) [2023-11-06 22:27:35,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 82 remaining) [2023-11-06 22:27:35,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 82 remaining) [2023-11-06 22:27:35,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 82 remaining) [2023-11-06 22:27:35,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 82 remaining) [2023-11-06 22:27:35,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 82 remaining) [2023-11-06 22:27:35,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 82 remaining) [2023-11-06 22:27:35,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 82 remaining) [2023-11-06 22:27:35,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 82 remaining) [2023-11-06 22:27:35,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 82 remaining) [2023-11-06 22:27:35,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 82 remaining) [2023-11-06 22:27:35,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 82 remaining) [2023-11-06 22:27:35,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 82 remaining) [2023-11-06 22:27:35,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (66 of 82 remaining) [2023-11-06 22:27:35,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (65 of 82 remaining) [2023-11-06 22:27:35,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 82 remaining) [2023-11-06 22:27:35,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 82 remaining) [2023-11-06 22:27:35,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (62 of 82 remaining) [2023-11-06 22:27:35,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 82 remaining) [2023-11-06 22:27:35,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 82 remaining) [2023-11-06 22:27:35,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 82 remaining) [2023-11-06 22:27:35,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 82 remaining) [2023-11-06 22:27:35,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 82 remaining) [2023-11-06 22:27:35,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 82 remaining) [2023-11-06 22:27:35,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 82 remaining) [2023-11-06 22:27:35,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 82 remaining) [2023-11-06 22:27:35,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 82 remaining) [2023-11-06 22:27:35,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (52 of 82 remaining) [2023-11-06 22:27:35,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (51 of 82 remaining) [2023-11-06 22:27:35,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 82 remaining) [2023-11-06 22:27:35,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 82 remaining) [2023-11-06 22:27:35,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 82 remaining) [2023-11-06 22:27:35,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 82 remaining) [2023-11-06 22:27:35,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 82 remaining) [2023-11-06 22:27:35,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 82 remaining) [2023-11-06 22:27:35,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 82 remaining) [2023-11-06 22:27:35,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 82 remaining) [2023-11-06 22:27:35,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (42 of 82 remaining) [2023-11-06 22:27:35,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 82 remaining) [2023-11-06 22:27:35,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 82 remaining) [2023-11-06 22:27:35,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 82 remaining) [2023-11-06 22:27:35,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 82 remaining) [2023-11-06 22:27:35,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 82 remaining) [2023-11-06 22:27:35,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 82 remaining) [2023-11-06 22:27:35,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 82 remaining) [2023-11-06 22:27:35,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (34 of 82 remaining) [2023-11-06 22:27:35,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 82 remaining) [2023-11-06 22:27:35,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 82 remaining) [2023-11-06 22:27:35,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 82 remaining) [2023-11-06 22:27:35,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 82 remaining) [2023-11-06 22:27:35,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 82 remaining) [2023-11-06 22:27:35,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 82 remaining) [2023-11-06 22:27:35,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 82 remaining) [2023-11-06 22:27:35,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 82 remaining) [2023-11-06 22:27:35,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 82 remaining) [2023-11-06 22:27:35,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 82 remaining) [2023-11-06 22:27:35,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 82 remaining) [2023-11-06 22:27:35,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 82 remaining) [2023-11-06 22:27:35,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 82 remaining) [2023-11-06 22:27:35,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 82 remaining) [2023-11-06 22:27:35,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 82 remaining) [2023-11-06 22:27:35,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 82 remaining) [2023-11-06 22:27:35,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 82 remaining) [2023-11-06 22:27:35,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 82 remaining) [2023-11-06 22:27:35,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 82 remaining) [2023-11-06 22:27:35,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 82 remaining) [2023-11-06 22:27:35,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 82 remaining) [2023-11-06 22:27:35,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 82 remaining) [2023-11-06 22:27:35,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 82 remaining) [2023-11-06 22:27:35,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 82 remaining) [2023-11-06 22:27:35,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 82 remaining) [2023-11-06 22:27:35,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 82 remaining) [2023-11-06 22:27:35,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 82 remaining) [2023-11-06 22:27:35,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 82 remaining) [2023-11-06 22:27:35,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 82 remaining) [2023-11-06 22:27:35,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 82 remaining) [2023-11-06 22:27:35,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 82 remaining) [2023-11-06 22:27:35,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 82 remaining) [2023-11-06 22:27:35,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 82 remaining) [2023-11-06 22:27:35,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 82 remaining) [2023-11-06 22:27:35,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:27:35,710 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:35,717 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:27:35,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:27:35,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:27:35 BasicIcfg [2023-11-06 22:27:35,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:27:35,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:27:35,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:27:35,722 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:27:35,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:51" (3/4) ... [2023-11-06 22:27:35,725 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:27:35,728 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:27:35,728 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:27:35,728 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:27:35,736 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-06 22:27:35,737 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:27:35,738 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:27:35,738 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:27:35,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:27:35,807 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:27:35,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:27:35,808 INFO L158 Benchmark]: Toolchain (without parser) took 46759.45ms. Allocated memory was 151.0MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 117.9MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 690.3MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,808 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:27:35,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.46ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 104.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.42ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 100.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,809 INFO L158 Benchmark]: Boogie Preprocessor took 72.96ms. Allocated memory is still 151.0MB. Free memory was 100.3MB in the beginning and 97.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,810 INFO L158 Benchmark]: RCFGBuilder took 1647.18ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 97.1MB in the beginning and 109.8MB in the end (delta: -12.8MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,810 INFO L158 Benchmark]: TraceAbstraction took 44382.34ms. Allocated memory was 182.5MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 108.8MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 641.5MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,811 INFO L158 Benchmark]: Witness Printer took 85.00ms. Allocated memory is still 3.3GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:27:35,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.46ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 104.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.42ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 100.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.96ms. Allocated memory is still 151.0MB. Free memory was 100.3MB in the beginning and 97.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.18ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 97.1MB in the beginning and 109.8MB in the end (delta: -12.8MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 44382.34ms. Allocated memory was 182.5MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 108.8MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 641.5MB. Max. memory is 16.1GB. * Witness Printer took 85.00ms. Allocated memory is still 3.3GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.2s, 399 PlacesBefore, 149 PlacesAfterwards, 414 TransitionsBefore, 155 TransitionsAfterwards, 31122 CoEnabledTransitionPairs, 8 FixpointIterations, 207 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 34 ConcurrentYvCompositions, 9 ChoiceCompositions, 377 TotalNumberOfCompositions, 205513 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39588, independent: 37650, independent conditional: 0, independent unconditional: 37650, dependent: 1938, dependent conditional: 0, dependent unconditional: 1938, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15362, independent: 15129, independent conditional: 0, independent unconditional: 15129, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39588, independent: 22521, independent conditional: 0, independent unconditional: 22521, dependent: 1705, dependent conditional: 0, dependent unconditional: 1705, unknown: 15362, unknown conditional: 0, unknown unconditional: 15362] , Statistics on independence cache: Total cache size (in pairs): 2028, Positive cache size: 1870, Positive conditional cache size: 0, Positive unconditional cache size: 1870, Negative cache size: 158, Negative conditional cache size: 0, Negative unconditional cache size: 158, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 53]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 118]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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, 589 locations, 82 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: 44.1s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3071 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2013 mSDsluCounter, 744 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 629 mSDsCounter, 1018 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6343 IncrementalHoareTripleChecker+Invalid, 7361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1018 mSolverCounterUnsat, 115 mSDtfsCounter, 6343 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=0, InterpolantAutomatonStates: 66, 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, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 7 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 14/19 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:27:35,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facb394c-d249-4a45-8726-8e8092c6b3d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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