./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.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_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/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_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/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_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/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 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:09,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:09,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:52:09,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:09,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:09,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:09,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:09,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:09,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:09,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:09,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:09,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:09,246 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:09,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:09,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:09,248 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:09,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:09,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:09,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:09,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:09,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:09,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:09,252 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:52:09,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:52:09,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:09,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:09,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:09,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:09,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:09,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:09,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:09,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:09,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:09,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:09,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:09,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:09,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:09,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:09,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:09,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:09,261 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:09,262 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_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f [2023-11-06 22:52:09,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:09,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:09,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:09,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:09,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:09,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-06 22:52:12,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:12,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:12,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-06 22:52:12,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/data/3070879f0/59f2ba59159a4e32b0fc5ec42178a2cc/FLAG24a6c0916 [2023-11-06 22:52:12,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/data/3070879f0/59f2ba59159a4e32b0fc5ec42178a2cc [2023-11-06 22:52:12,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:12,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:12,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:12,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:12,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:12,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:12" (1/1) ... [2023-11-06 22:52:12,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e48c1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:12, skipping insertion in model container [2023-11-06 22:52:12,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:12" (1/1) ... [2023-11-06 22:52:12,984 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:13,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:13,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:13,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:13,288 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:52:13,289 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:52:13,297 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:13,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13 WrapperNode [2023-11-06 22:52:13,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:13,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:13,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:13,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:13,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,367 INFO L138 Inliner]: procedures = 25, calls = 47, calls flagged for inlining = 14, calls inlined = 20, statements flattened = 384 [2023-11-06 22:52:13,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:13,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:13,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:13,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:13,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:13,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:13,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:13,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:13,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (1/1) ... [2023-11-06 22:52:13,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:13,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:13,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:13,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:52:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:52:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:52:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:52:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:52:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:52:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:52:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:52:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:52:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:52:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:52:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:52:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:52:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:52:13,569 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 22:52:13,756 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:13,759 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:14,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:15,017 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:15,018 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:52:15,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:15 BoogieIcfgContainer [2023-11-06 22:52:15,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:15,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:15,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:15,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:15,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:12" (1/3) ... [2023-11-06 22:52:15,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7f1d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:15, skipping insertion in model container [2023-11-06 22:52:15,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:13" (2/3) ... [2023-11-06 22:52:15,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7f1d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:15, skipping insertion in model container [2023-11-06 22:52:15,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:15" (3/3) ... [2023-11-06 22:52:15,039 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2023-11-06 22:52:15,049 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:52:15,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:15,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2023-11-06 22:52:15,062 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:52:15,241 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:52:15,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 387 places, 397 transitions, 815 flow [2023-11-06 22:52:15,589 INFO L124 PetriNetUnfolderBase]: 20/394 cut-off events. [2023-11-06 22:52:15,589 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:52:15,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 394 events. 20/394 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 820 event pairs, 0 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2023-11-06 22:52:15,603 INFO L82 GeneralOperation]: Start removeDead. Operand has 387 places, 397 transitions, 815 flow [2023-11-06 22:52:15,616 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 359 places, 367 transitions, 752 flow [2023-11-06 22:52:15,621 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:52:15,645 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 367 transitions, 752 flow [2023-11-06 22:52:15,650 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 367 transitions, 752 flow [2023-11-06 22:52:15,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 367 transitions, 752 flow [2023-11-06 22:52:15,754 INFO L124 PetriNetUnfolderBase]: 18/367 cut-off events. [2023-11-06 22:52:15,755 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:52:15,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 367 events. 18/367 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 801 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2023-11-06 22:52:15,786 INFO L119 LiptonReduction]: Number of co-enabled transitions 29952 [2023-11-06 22:52:32,445 INFO L134 LiptonReduction]: Checked pairs total: 128824 [2023-11-06 22:52:32,446 INFO L136 LiptonReduction]: Total number of compositions: 353 [2023-11-06 22:52:32,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:32,467 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;@72631410, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:32,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2023-11-06 22:52:32,469 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:52:32,469 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:52:32,469 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:52:32,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:32,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:52:32,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:32,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:32,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1690, now seen corresponding path program 1 times [2023-11-06 22:52:32,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:32,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289929098] [2023-11-06 22:52:32,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:32,599 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 22:52:32,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:32,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289929098] [2023-11-06 22:52:32,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289929098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:32,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:32,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:52:32,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537583210] [2023-11-06 22:52:32,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:32,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:52:32,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:32,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:52:32,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:32,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 750 [2023-11-06 22:52:32,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 128 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 366.5) internal successors, (733), 2 states have internal predecessors, (733), 0 states have call successors, (0), 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 22:52:32,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:32,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 750 [2023-11-06 22:52:32,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:33,411 INFO L124 PetriNetUnfolderBase]: 1597/4184 cut-off events. [2023-11-06 22:52:33,412 INFO L125 PetriNetUnfolderBase]: For 144/144 co-relation queries the response was YES. [2023-11-06 22:52:33,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6541 conditions, 4184 events. 1597/4184 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 35618 event pairs, 1046 based on Foata normal form. 505/3915 useless extension candidates. Maximal degree in co-relation 5986. Up to 2179 conditions per place. [2023-11-06 22:52:33,454 INFO L140 encePairwiseOnDemand]: 714/750 looper letters, 32 selfloop transitions, 0 changer transitions 1/92 dead transitions. [2023-11-06 22:52:33,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 92 transitions, 268 flow [2023-11-06 22:52:33,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:52:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:52:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 801 transitions. [2023-11-06 22:52:33,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.534 [2023-11-06 22:52:33,481 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 801 transitions. [2023-11-06 22:52:33,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 801 transitions. [2023-11-06 22:52:33,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:33,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 801 transitions. [2023-11-06 22:52:33,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 400.5) internal successors, (801), 2 states have internal predecessors, (801), 0 states have call successors, (0), 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 22:52:33,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 750.0) internal successors, (2250), 3 states have internal predecessors, (2250), 0 states have call successors, (0), 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 22:52:33,509 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 750.0) internal successors, (2250), 3 states have internal predecessors, (2250), 0 states have call successors, (0), 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 22:52:33,511 INFO L175 Difference]: Start difference. First operand has 127 places, 128 transitions, 274 flow. Second operand 2 states and 801 transitions. [2023-11-06 22:52:33,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 92 transitions, 268 flow [2023-11-06 22:52:33,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 92 transitions, 256 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:52:33,523 INFO L231 Difference]: Finished difference. Result has 91 places, 91 transitions, 187 flow [2023-11-06 22:52:33,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=187, PETRI_PLACES=91, PETRI_TRANSITIONS=91} [2023-11-06 22:52:33,529 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -36 predicate places. [2023-11-06 22:52:33,530 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 91 transitions, 187 flow [2023-11-06 22:52:33,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 366.5) internal successors, (733), 2 states have internal predecessors, (733), 0 states have call successors, (0), 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 22:52:33,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:33,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:52:33,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:52:33,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:33,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:33,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1172901247, now seen corresponding path program 1 times [2023-11-06 22:52:33,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:33,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138510649] [2023-11-06 22:52:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:33,743 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 22:52:33,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:33,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138510649] [2023-11-06 22:52:33,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138510649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:33,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:33,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:33,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135242416] [2023-11-06 22:52:33,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:33,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:33,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:33,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:33,778 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 750 [2023-11-06 22:52:33,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 354.6666666666667) internal successors, (1064), 3 states have internal predecessors, (1064), 0 states have call successors, (0), 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 22:52:33,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:33,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 750 [2023-11-06 22:52:33,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:34,663 INFO L124 PetriNetUnfolderBase]: 2604/6086 cut-off events. [2023-11-06 22:52:34,663 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-11-06 22:52:34,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9746 conditions, 6086 events. 2604/6086 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 50848 event pairs, 1893 based on Foata normal form. 0/4892 useless extension candidates. Maximal degree in co-relation 9743. Up to 3575 conditions per place. [2023-11-06 22:52:34,716 INFO L140 encePairwiseOnDemand]: 747/750 looper letters, 34 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2023-11-06 22:52:34,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 89 transitions, 253 flow [2023-11-06 22:52:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:34,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:52:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1096 transitions. [2023-11-06 22:52:34,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4871111111111111 [2023-11-06 22:52:34,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1096 transitions. [2023-11-06 22:52:34,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1096 transitions. [2023-11-06 22:52:34,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:34,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1096 transitions. [2023-11-06 22:52:34,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:34,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:34,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:34,742 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 187 flow. Second operand 3 states and 1096 transitions. [2023-11-06 22:52:34,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 89 transitions, 253 flow [2023-11-06 22:52:34,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 89 transitions, 253 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:52:34,748 INFO L231 Difference]: Finished difference. Result has 90 places, 89 transitions, 185 flow [2023-11-06 22:52:34,749 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=90, PETRI_TRANSITIONS=89} [2023-11-06 22:52:34,750 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -37 predicate places. [2023-11-06 22:52:34,750 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 89 transitions, 185 flow [2023-11-06 22:52:34,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.6666666666667) internal successors, (1064), 3 states have internal predecessors, (1064), 0 states have call successors, (0), 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 22:52:34,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:34,752 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:34,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:52:34,752 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:34,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1461001455, now seen corresponding path program 1 times [2023-11-06 22:52:34,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:34,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247195681] [2023-11-06 22:52:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:34,871 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 22:52:34,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247195681] [2023-11-06 22:52:34,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247195681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:34,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:34,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:34,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045127604] [2023-11-06 22:52:34,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:34,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:34,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:34,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 750 [2023-11-06 22:52:34,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 89 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 22:52:34,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:34,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 750 [2023-11-06 22:52:34,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:35,572 INFO L124 PetriNetUnfolderBase]: 2162/4996 cut-off events. [2023-11-06 22:52:35,572 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-06 22:52:35,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8058 conditions, 4996 events. 2162/4996 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 40281 event pairs, 1546 based on Foata normal form. 0/4109 useless extension candidates. Maximal degree in co-relation 8054. Up to 2974 conditions per place. [2023-11-06 22:52:35,620 INFO L140 encePairwiseOnDemand]: 747/750 looper letters, 33 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2023-11-06 22:52:35,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 87 transitions, 249 flow [2023-11-06 22:52:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:52:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1095 transitions. [2023-11-06 22:52:35,625 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4866666666666667 [2023-11-06 22:52:35,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1095 transitions. [2023-11-06 22:52:35,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1095 transitions. [2023-11-06 22:52:35,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:35,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1095 transitions. [2023-11-06 22:52:35,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 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 22:52:35,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:35,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:35,640 INFO L175 Difference]: Start difference. First operand has 90 places, 89 transitions, 185 flow. Second operand 3 states and 1095 transitions. [2023-11-06 22:52:35,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 87 transitions, 249 flow [2023-11-06 22:52:35,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:52:35,645 INFO L231 Difference]: Finished difference. Result has 89 places, 87 transitions, 182 flow [2023-11-06 22:52:35,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=87} [2023-11-06 22:52:35,647 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -38 predicate places. [2023-11-06 22:52:35,647 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 182 flow [2023-11-06 22:52:35,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 22:52:35,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:35,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:35,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:52:35,649 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:35,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1876347119, now seen corresponding path program 1 times [2023-11-06 22:52:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:35,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953697938] [2023-11-06 22:52:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:35,740 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 22:52:35,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:35,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953697938] [2023-11-06 22:52:35,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953697938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:35,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:35,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:35,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152222620] [2023-11-06 22:52:35,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:35,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:35,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:35,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:35,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:35,765 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 750 [2023-11-06 22:52:35,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:35,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:35,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 750 [2023-11-06 22:52:35,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:36,563 INFO L124 PetriNetUnfolderBase]: 2582/5350 cut-off events. [2023-11-06 22:52:36,563 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2023-11-06 22:52:36,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9043 conditions, 5350 events. 2582/5350 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 40917 event pairs, 474 based on Foata normal form. 0/4626 useless extension candidates. Maximal degree in co-relation 9039. Up to 3323 conditions per place. [2023-11-06 22:52:36,597 INFO L140 encePairwiseOnDemand]: 743/750 looper letters, 51 selfloop transitions, 3 changer transitions 0/101 dead transitions. [2023-11-06 22:52:36,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 101 transitions, 322 flow [2023-11-06 22:52:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:52:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2023-11-06 22:52:36,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49644444444444447 [2023-11-06 22:52:36,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1117 transitions. [2023-11-06 22:52:36,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1117 transitions. [2023-11-06 22:52:36,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:36,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1117 transitions. [2023-11-06 22:52:36,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 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 22:52:36,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:36,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:36,618 INFO L175 Difference]: Start difference. First operand has 89 places, 87 transitions, 182 flow. Second operand 3 states and 1117 transitions. [2023-11-06 22:52:36,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 101 transitions, 322 flow [2023-11-06 22:52:36,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 101 transitions, 321 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:52:36,621 INFO L231 Difference]: Finished difference. Result has 87 places, 86 transitions, 194 flow [2023-11-06 22:52:36,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=87, PETRI_TRANSITIONS=86} [2023-11-06 22:52:36,623 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -40 predicate places. [2023-11-06 22:52:36,624 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 194 flow [2023-11-06 22:52:36,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:36,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:36,625 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:36,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:52:36,626 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:36,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:36,626 INFO L85 PathProgramCache]: Analyzing trace with hash 377166041, now seen corresponding path program 1 times [2023-11-06 22:52:36,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:36,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319226917] [2023-11-06 22:52:36,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:36,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:36,810 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 22:52:36,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:36,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319226917] [2023-11-06 22:52:36,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319226917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:36,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:36,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:36,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827659216] [2023-11-06 22:52:36,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:36,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:36,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:36,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:36,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:36,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 750 [2023-11-06 22:52:36,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 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 22:52:36,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:36,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 750 [2023-11-06 22:52:36,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:37,486 INFO L124 PetriNetUnfolderBase]: 1806/4363 cut-off events. [2023-11-06 22:52:37,487 INFO L125 PetriNetUnfolderBase]: For 358/429 co-relation queries the response was YES. [2023-11-06 22:52:37,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7385 conditions, 4363 events. 1806/4363 cut-off events. For 358/429 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 36019 event pairs, 1151 based on Foata normal form. 0/3676 useless extension candidates. Maximal degree in co-relation 7381. Up to 2487 conditions per place. [2023-11-06 22:52:37,519 INFO L140 encePairwiseOnDemand]: 747/750 looper letters, 34 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2023-11-06 22:52:37,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 87 transitions, 268 flow [2023-11-06 22:52:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:52:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1111 transitions. [2023-11-06 22:52:37,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49377777777777776 [2023-11-06 22:52:37,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1111 transitions. [2023-11-06 22:52:37,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1111 transitions. [2023-11-06 22:52:37,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:37,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1111 transitions. [2023-11-06 22:52:37,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 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 22:52:37,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:37,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:37,538 INFO L175 Difference]: Start difference. First operand has 87 places, 86 transitions, 194 flow. Second operand 3 states and 1111 transitions. [2023-11-06 22:52:37,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 87 transitions, 268 flow [2023-11-06 22:52:37,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 268 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:52:37,542 INFO L231 Difference]: Finished difference. Result has 90 places, 87 transitions, 206 flow [2023-11-06 22:52:37,542 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=90, PETRI_TRANSITIONS=87} [2023-11-06 22:52:37,545 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -37 predicate places. [2023-11-06 22:52:37,545 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 87 transitions, 206 flow [2023-11-06 22:52:37,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 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 22:52:37,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:37,547 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:37,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:52:37,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:37,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:37,548 INFO L85 PathProgramCache]: Analyzing trace with hash -262214661, now seen corresponding path program 1 times [2023-11-06 22:52:37,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:37,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306588148] [2023-11-06 22:52:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:37,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:37,956 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 22:52:37,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:37,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306588148] [2023-11-06 22:52:37,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306588148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:37,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:37,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:37,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873671296] [2023-11-06 22:52:37,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:37,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:37,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:37,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:37,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:38,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 750 [2023-11-06 22:52:38,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 354.1666666666667) internal successors, (2125), 6 states have internal predecessors, (2125), 0 states have call successors, (0), 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 22:52:38,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:38,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 750 [2023-11-06 22:52:38,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:39,564 INFO L124 PetriNetUnfolderBase]: 4798/7474 cut-off events. [2023-11-06 22:52:39,564 INFO L125 PetriNetUnfolderBase]: For 885/929 co-relation queries the response was YES. [2023-11-06 22:52:39,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15031 conditions, 7474 events. 4798/7474 cut-off events. For 885/929 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 48584 event pairs, 542 based on Foata normal form. 5/6124 useless extension candidates. Maximal degree in co-relation 15025. Up to 2166 conditions per place. [2023-11-06 22:52:39,630 INFO L140 encePairwiseOnDemand]: 745/750 looper letters, 124 selfloop transitions, 4 changer transitions 0/174 dead transitions. [2023-11-06 22:52:39,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 174 transitions, 696 flow [2023-11-06 22:52:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:52:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2225 transitions. [2023-11-06 22:52:39,639 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49444444444444446 [2023-11-06 22:52:39,639 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2225 transitions. [2023-11-06 22:52:39,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2225 transitions. [2023-11-06 22:52:39,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:39,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2225 transitions. [2023-11-06 22:52:39,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 370.8333333333333) internal successors, (2225), 6 states have internal predecessors, (2225), 0 states have call successors, (0), 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 22:52:39,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:39,662 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:39,663 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 206 flow. Second operand 6 states and 2225 transitions. [2023-11-06 22:52:39,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 174 transitions, 696 flow [2023-11-06 22:52:39,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 174 transitions, 692 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:52:39,668 INFO L231 Difference]: Finished difference. Result has 93 places, 86 transitions, 208 flow [2023-11-06 22:52:39,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=208, PETRI_PLACES=93, PETRI_TRANSITIONS=86} [2023-11-06 22:52:39,670 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -34 predicate places. [2023-11-06 22:52:39,670 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 86 transitions, 208 flow [2023-11-06 22:52:39,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 354.1666666666667) internal successors, (2125), 6 states have internal predecessors, (2125), 0 states have call successors, (0), 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 22:52:39,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:39,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:39,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:52:39,672 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:39,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:39,673 INFO L85 PathProgramCache]: Analyzing trace with hash 173169783, now seen corresponding path program 1 times [2023-11-06 22:52:39,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:39,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722549953] [2023-11-06 22:52:39,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:39,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:39,970 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 22:52:39,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722549953] [2023-11-06 22:52:39,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722549953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:39,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:39,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:39,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594439676] [2023-11-06 22:52:39,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:39,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:39,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:39,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:39,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:40,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 750 [2023-11-06 22:52:40,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 86 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 347.0) internal successors, (2082), 6 states have internal predecessors, (2082), 0 states have call successors, (0), 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 22:52:40,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:40,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 750 [2023-11-06 22:52:40,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:41,325 INFO L124 PetriNetUnfolderBase]: 3165/5844 cut-off events. [2023-11-06 22:52:41,325 INFO L125 PetriNetUnfolderBase]: For 973/1033 co-relation queries the response was YES. [2023-11-06 22:52:41,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11733 conditions, 5844 events. 3165/5844 cut-off events. For 973/1033 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 42022 event pairs, 806 based on Foata normal form. 0/5111 useless extension candidates. Maximal degree in co-relation 11727. Up to 1954 conditions per place. [2023-11-06 22:52:41,367 INFO L140 encePairwiseOnDemand]: 743/750 looper letters, 104 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2023-11-06 22:52:41,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 148 transitions, 582 flow [2023-11-06 22:52:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:52:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2177 transitions. [2023-11-06 22:52:41,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48377777777777775 [2023-11-06 22:52:41,376 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2177 transitions. [2023-11-06 22:52:41,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2177 transitions. [2023-11-06 22:52:41,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:41,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2177 transitions. [2023-11-06 22:52:41,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 362.8333333333333) internal successors, (2177), 6 states have internal predecessors, (2177), 0 states have call successors, (0), 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 22:52:41,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:41,395 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:41,396 INFO L175 Difference]: Start difference. First operand has 93 places, 86 transitions, 208 flow. Second operand 6 states and 2177 transitions. [2023-11-06 22:52:41,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 148 transitions, 582 flow [2023-11-06 22:52:41,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 148 transitions, 567 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:52:41,404 INFO L231 Difference]: Finished difference. Result has 92 places, 84 transitions, 207 flow [2023-11-06 22:52:41,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=92, PETRI_TRANSITIONS=84} [2023-11-06 22:52:41,405 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -35 predicate places. [2023-11-06 22:52:41,405 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 207 flow [2023-11-06 22:52:41,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 347.0) internal successors, (2082), 6 states have internal predecessors, (2082), 0 states have call successors, (0), 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 22:52:41,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:41,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:41,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:52:41,407 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:41,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1971213132, now seen corresponding path program 1 times [2023-11-06 22:52:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:41,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259368871] [2023-11-06 22:52:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:41,531 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 22:52:41,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:41,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259368871] [2023-11-06 22:52:41,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259368871] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:41,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636263820] [2023-11-06 22:52:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:41,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:41,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:41,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:52:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:41,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:52:41,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:41,827 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 22:52:41,827 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:41,895 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 22:52:41,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636263820] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:52:41,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:52:41,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-06 22:52:41,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010162608] [2023-11-06 22:52:41,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:52:41,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:52:41,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:52:41,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:42,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 750 [2023-11-06 22:52:42,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 84 transitions, 207 flow. Second operand has 12 states, 12 states have (on average 350.5833333333333) internal successors, (4207), 12 states have internal predecessors, (4207), 0 states have call successors, (0), 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 22:52:42,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:42,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 750 [2023-11-06 22:52:42,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:43,295 INFO L124 PetriNetUnfolderBase]: 2456/5943 cut-off events. [2023-11-06 22:52:43,295 INFO L125 PetriNetUnfolderBase]: For 544/637 co-relation queries the response was YES. [2023-11-06 22:52:43,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10534 conditions, 5943 events. 2456/5943 cut-off events. For 544/637 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 52023 event pairs, 1464 based on Foata normal form. 1/5174 useless extension candidates. Maximal degree in co-relation 10528. Up to 2520 conditions per place. [2023-11-06 22:52:43,337 INFO L140 encePairwiseOnDemand]: 744/750 looper letters, 76 selfloop transitions, 6 changer transitions 0/129 dead transitions. [2023-11-06 22:52:43,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 129 transitions, 497 flow [2023-11-06 22:52:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:43,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:52:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2170 transitions. [2023-11-06 22:52:43,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4822222222222222 [2023-11-06 22:52:43,347 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2170 transitions. [2023-11-06 22:52:43,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2170 transitions. [2023-11-06 22:52:43,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:43,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2170 transitions. [2023-11-06 22:52:43,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.6666666666667) internal successors, (2170), 6 states have internal predecessors, (2170), 0 states have call successors, (0), 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 22:52:43,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:43,368 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:43,369 INFO L175 Difference]: Start difference. First operand has 92 places, 84 transitions, 207 flow. Second operand 6 states and 2170 transitions. [2023-11-06 22:52:43,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 129 transitions, 497 flow [2023-11-06 22:52:43,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 129 transitions, 483 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:52:43,374 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 240 flow [2023-11-06 22:52:43,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2023-11-06 22:52:43,376 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -32 predicate places. [2023-11-06 22:52:43,377 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 240 flow [2023-11-06 22:52:43,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 350.5833333333333) internal successors, (4207), 12 states have internal predecessors, (4207), 0 states have call successors, (0), 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 22:52:43,378 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:43,378 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:43,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:43,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:43,585 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:43,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:43,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1087023269, now seen corresponding path program 1 times [2023-11-06 22:52:43,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:43,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911219017] [2023-11-06 22:52:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:43,660 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 22:52:43,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:43,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911219017] [2023-11-06 22:52:43,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911219017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:43,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:43,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:43,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860137179] [2023-11-06 22:52:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:43,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:43,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:43,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:43,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:43,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 750 [2023-11-06 22:52:43,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 361.0) internal successors, (1083), 3 states have internal predecessors, (1083), 0 states have call successors, (0), 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 22:52:43,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:43,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 750 [2023-11-06 22:52:43,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:44,369 INFO L124 PetriNetUnfolderBase]: 2217/5266 cut-off events. [2023-11-06 22:52:44,369 INFO L125 PetriNetUnfolderBase]: For 913/1091 co-relation queries the response was YES. [2023-11-06 22:52:44,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9741 conditions, 5266 events. 2217/5266 cut-off events. For 913/1091 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 44976 event pairs, 1300 based on Foata normal form. 94/4612 useless extension candidates. Maximal degree in co-relation 9732. Up to 2755 conditions per place. [2023-11-06 22:52:44,403 INFO L140 encePairwiseOnDemand]: 746/750 looper letters, 53 selfloop transitions, 3 changer transitions 0/104 dead transitions. [2023-11-06 22:52:44,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 104 transitions, 398 flow [2023-11-06 22:52:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:52:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1123 transitions. [2023-11-06 22:52:44,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4991111111111111 [2023-11-06 22:52:44,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1123 transitions. [2023-11-06 22:52:44,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1123 transitions. [2023-11-06 22:52:44,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:44,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1123 transitions. [2023-11-06 22:52:44,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 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 22:52:44,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:44,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 750.0) internal successors, (3000), 4 states have internal predecessors, (3000), 0 states have call successors, (0), 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 22:52:44,418 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 240 flow. Second operand 3 states and 1123 transitions. [2023-11-06 22:52:44,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 104 transitions, 398 flow [2023-11-06 22:52:44,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 104 transitions, 388 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-06 22:52:44,424 INFO L231 Difference]: Finished difference. Result has 94 places, 87 transitions, 234 flow [2023-11-06 22:52:44,425 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2023-11-06 22:52:44,426 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -33 predicate places. [2023-11-06 22:52:44,429 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 87 transitions, 234 flow [2023-11-06 22:52:44,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.0) internal successors, (1083), 3 states have internal predecessors, (1083), 0 states have call successors, (0), 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 22:52:44,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:44,430 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:44,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:52:44,430 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:44,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:44,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1358004526, now seen corresponding path program 2 times [2023-11-06 22:52:44,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:44,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398041333] [2023-11-06 22:52:44,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:44,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:44,779 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 22:52:44,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:44,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398041333] [2023-11-06 22:52:44,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398041333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:44,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:44,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:44,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259608185] [2023-11-06 22:52:44,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:44,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:44,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:44,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:45,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 750 [2023-11-06 22:52:45,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 87 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 347.3333333333333) internal successors, (2084), 6 states have internal predecessors, (2084), 0 states have call successors, (0), 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 22:52:45,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:45,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 750 [2023-11-06 22:52:45,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:46,171 INFO L124 PetriNetUnfolderBase]: 3896/7310 cut-off events. [2023-11-06 22:52:46,171 INFO L125 PetriNetUnfolderBase]: For 1861/1919 co-relation queries the response was YES. [2023-11-06 22:52:46,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15177 conditions, 7310 events. 3896/7310 cut-off events. For 1861/1919 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 55736 event pairs, 1317 based on Foata normal form. 0/6563 useless extension candidates. Maximal degree in co-relation 15168. Up to 2670 conditions per place. [2023-11-06 22:52:46,231 INFO L140 encePairwiseOnDemand]: 743/750 looper letters, 108 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2023-11-06 22:52:46,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 149 transitions, 632 flow [2023-11-06 22:52:46,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:52:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2177 transitions. [2023-11-06 22:52:46,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48377777777777775 [2023-11-06 22:52:46,241 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2177 transitions. [2023-11-06 22:52:46,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2177 transitions. [2023-11-06 22:52:46,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:46,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2177 transitions. [2023-11-06 22:52:46,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 362.8333333333333) internal successors, (2177), 6 states have internal predecessors, (2177), 0 states have call successors, (0), 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 22:52:46,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:46,257 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:46,258 INFO L175 Difference]: Start difference. First operand has 94 places, 87 transitions, 234 flow. Second operand 6 states and 2177 transitions. [2023-11-06 22:52:46,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 149 transitions, 632 flow [2023-11-06 22:52:46,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 149 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:52:46,272 INFO L231 Difference]: Finished difference. Result has 95 places, 85 transitions, 234 flow [2023-11-06 22:52:46,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=95, PETRI_TRANSITIONS=85} [2023-11-06 22:52:46,273 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -32 predicate places. [2023-11-06 22:52:46,273 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 85 transitions, 234 flow [2023-11-06 22:52:46,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 347.3333333333333) internal successors, (2084), 6 states have internal predecessors, (2084), 0 states have call successors, (0), 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 22:52:46,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:46,274 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:46,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:52:46,275 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:46,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:46,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1042171501, now seen corresponding path program 1 times [2023-11-06 22:52:46,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:46,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347748019] [2023-11-06 22:52:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:46,416 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 22:52:46,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347748019] [2023-11-06 22:52:46,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347748019] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:46,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261641919] [2023-11-06 22:52:46,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:46,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:46,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:46,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:52:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:46,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:52:46,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:46,622 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 22:52:46,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:46,666 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 22:52:46,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261641919] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:46,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:52:46,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-11-06 22:52:46,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24607000] [2023-11-06 22:52:46,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:46,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:52:46,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:46,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:52:46,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:52:46,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 750 [2023-11-06 22:52:46,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 85 transitions, 234 flow. Second operand has 5 states, 5 states have (on average 353.6) internal successors, (1768), 5 states have internal predecessors, (1768), 0 states have call successors, (0), 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 22:52:46,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:46,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 750 [2023-11-06 22:52:46,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:47,427 INFO L124 PetriNetUnfolderBase]: 2248/4987 cut-off events. [2023-11-06 22:52:47,428 INFO L125 PetriNetUnfolderBase]: For 818/929 co-relation queries the response was YES. [2023-11-06 22:52:47,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9644 conditions, 4987 events. 2248/4987 cut-off events. For 818/929 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 38531 event pairs, 579 based on Foata normal form. 85/4444 useless extension candidates. Maximal degree in co-relation 9635. Up to 2134 conditions per place. [2023-11-06 22:52:47,469 INFO L140 encePairwiseOnDemand]: 744/750 looper letters, 55 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2023-11-06 22:52:47,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 105 transitions, 416 flow [2023-11-06 22:52:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:52:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:52:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1807 transitions. [2023-11-06 22:52:47,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48186666666666667 [2023-11-06 22:52:47,477 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1807 transitions. [2023-11-06 22:52:47,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1807 transitions. [2023-11-06 22:52:47,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:47,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1807 transitions. [2023-11-06 22:52:47,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 361.4) internal successors, (1807), 5 states have internal predecessors, (1807), 0 states have call successors, (0), 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 22:52:47,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 750.0) internal successors, (4500), 6 states have internal predecessors, (4500), 0 states have call successors, (0), 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 22:52:47,492 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 750.0) internal successors, (4500), 6 states have internal predecessors, (4500), 0 states have call successors, (0), 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 22:52:47,492 INFO L175 Difference]: Start difference. First operand has 95 places, 85 transitions, 234 flow. Second operand 5 states and 1807 transitions. [2023-11-06 22:52:47,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 105 transitions, 416 flow [2023-11-06 22:52:47,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 105 transitions, 404 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:52:47,499 INFO L231 Difference]: Finished difference. Result has 96 places, 86 transitions, 247 flow [2023-11-06 22:52:47,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=247, PETRI_PLACES=96, PETRI_TRANSITIONS=86} [2023-11-06 22:52:47,499 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -31 predicate places. [2023-11-06 22:52:47,500 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 86 transitions, 247 flow [2023-11-06 22:52:47,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 353.6) internal successors, (1768), 5 states have internal predecessors, (1768), 0 states have call successors, (0), 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 22:52:47,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:47,501 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] [2023-11-06 22:52:47,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:52:47,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:47,707 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:47,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:47,708 INFO L85 PathProgramCache]: Analyzing trace with hash 461255321, now seen corresponding path program 1 times [2023-11-06 22:52:47,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:47,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702967750] [2023-11-06 22:52:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:47,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:48,310 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 22:52:48,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:48,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702967750] [2023-11-06 22:52:48,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702967750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:48,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:48,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:48,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79985938] [2023-11-06 22:52:48,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:48,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:48,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:48,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:48,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:48,778 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 750 [2023-11-06 22:52:48,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 86 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 0 states have call successors, (0), 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 22:52:48,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:48,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 750 [2023-11-06 22:52:48,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:49,515 INFO L124 PetriNetUnfolderBase]: 2244/4771 cut-off events. [2023-11-06 22:52:49,515 INFO L125 PetriNetUnfolderBase]: For 1490/1912 co-relation queries the response was YES. [2023-11-06 22:52:49,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9799 conditions, 4771 events. 2244/4771 cut-off events. For 1490/1912 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 36228 event pairs, 1287 based on Foata normal form. 305/4514 useless extension candidates. Maximal degree in co-relation 9788. Up to 2697 conditions per place. [2023-11-06 22:52:49,551 INFO L140 encePairwiseOnDemand]: 745/750 looper letters, 88 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2023-11-06 22:52:49,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 133 transitions, 573 flow [2023-11-06 22:52:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:49,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:52:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2193 transitions. [2023-11-06 22:52:49,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48733333333333334 [2023-11-06 22:52:49,561 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2193 transitions. [2023-11-06 22:52:49,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2193 transitions. [2023-11-06 22:52:49,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:49,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2193 transitions. [2023-11-06 22:52:49,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 365.5) internal successors, (2193), 6 states have internal predecessors, (2193), 0 states have call successors, (0), 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 22:52:49,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:49,580 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:49,580 INFO L175 Difference]: Start difference. First operand has 96 places, 86 transitions, 247 flow. Second operand 6 states and 2193 transitions. [2023-11-06 22:52:49,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 133 transitions, 573 flow [2023-11-06 22:52:49,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 133 transitions, 567 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:52:49,589 INFO L231 Difference]: Finished difference. Result has 97 places, 85 transitions, 247 flow [2023-11-06 22:52:49,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=247, PETRI_PLACES=97, PETRI_TRANSITIONS=85} [2023-11-06 22:52:49,590 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -30 predicate places. [2023-11-06 22:52:49,590 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 85 transitions, 247 flow [2023-11-06 22:52:49,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 0 states have call successors, (0), 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 22:52:49,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:52:49,591 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 22:52:49,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:52:49,592 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-06 22:52:49,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:49,592 INFO L85 PathProgramCache]: Analyzing trace with hash 252247565, now seen corresponding path program 1 times [2023-11-06 22:52:49,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:49,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469788608] [2023-11-06 22:52:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:49,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:50,115 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 22:52:50,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:50,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469788608] [2023-11-06 22:52:50,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469788608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:50,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:50,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:50,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585256548] [2023-11-06 22:52:50,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:50,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:50,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:50,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:50,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:50,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 750 [2023-11-06 22:52:50,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 85 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 356.0) internal successors, (2136), 6 states have internal predecessors, (2136), 0 states have call successors, (0), 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 22:52:50,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:52:50,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 750 [2023-11-06 22:52:50,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:52:51,283 INFO L124 PetriNetUnfolderBase]: 2016/4537 cut-off events. [2023-11-06 22:52:51,283 INFO L125 PetriNetUnfolderBase]: For 1284/1694 co-relation queries the response was YES. [2023-11-06 22:52:51,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9158 conditions, 4537 events. 2016/4537 cut-off events. For 1284/1694 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 35256 event pairs, 1335 based on Foata normal form. 293/4307 useless extension candidates. Maximal degree in co-relation 9147. Up to 2802 conditions per place. [2023-11-06 22:52:51,303 INFO L140 encePairwiseOnDemand]: 745/750 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2023-11-06 22:52:51,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 96 transitions, 389 flow [2023-11-06 22:52:51,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:52:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2161 transitions. [2023-11-06 22:52:51,313 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4802222222222222 [2023-11-06 22:52:51,313 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2161 transitions. [2023-11-06 22:52:51,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2161 transitions. [2023-11-06 22:52:51,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:52:51,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2161 transitions. [2023-11-06 22:52:51,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 360.1666666666667) internal successors, (2161), 6 states have internal predecessors, (2161), 0 states have call successors, (0), 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 22:52:51,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:51,331 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 750.0) internal successors, (5250), 7 states have internal predecessors, (5250), 0 states have call successors, (0), 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 22:52:51,331 INFO L175 Difference]: Start difference. First operand has 97 places, 85 transitions, 247 flow. Second operand 6 states and 2161 transitions. [2023-11-06 22:52:51,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 96 transitions, 389 flow [2023-11-06 22:52:51,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 96 transitions, 382 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:52:51,338 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2023-11-06 22:52:51,338 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=750, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2023-11-06 22:52:51,339 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -30 predicate places. [2023-11-06 22:52:51,339 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2023-11-06 22:52:51,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 356.0) internal successors, (2136), 6 states have internal predecessors, (2136), 0 states have call successors, (0), 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 22:52:51,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2023-11-06 22:52:51,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2023-11-06 22:52:51,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2023-11-06 22:52:51,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2023-11-06 22:52:51,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2023-11-06 22:52:51,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2023-11-06 22:52:51,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2023-11-06 22:52:51,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2023-11-06 22:52:51,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2023-11-06 22:52:51,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2023-11-06 22:52:51,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2023-11-06 22:52:51,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2023-11-06 22:52:51,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2023-11-06 22:52:51,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2023-11-06 22:52:51,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2023-11-06 22:52:51,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2023-11-06 22:52:51,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2023-11-06 22:52:51,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2023-11-06 22:52:51,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2023-11-06 22:52:51,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2023-11-06 22:52:51,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2023-11-06 22:52:51,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2023-11-06 22:52:51,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2023-11-06 22:52:51,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2023-11-06 22:52:51,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2023-11-06 22:52:51,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2023-11-06 22:52:51,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2023-11-06 22:52:51,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2023-11-06 22:52:51,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2023-11-06 22:52:51,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2023-11-06 22:52:51,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2023-11-06 22:52:51,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2023-11-06 22:52:51,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2023-11-06 22:52:51,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2023-11-06 22:52:51,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2023-11-06 22:52:51,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2023-11-06 22:52:51,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2023-11-06 22:52:51,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2023-11-06 22:52:51,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2023-11-06 22:52:51,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2023-11-06 22:52:51,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2023-11-06 22:52:51,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2023-11-06 22:52:51,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2023-11-06 22:52:51,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2023-11-06 22:52:51,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2023-11-06 22:52:51,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2023-11-06 22:52:51,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2023-11-06 22:52:51,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2023-11-06 22:52:51,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 79 remaining) [2023-11-06 22:52:51,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 79 remaining) [2023-11-06 22:52:51,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2023-11-06 22:52:51,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2023-11-06 22:52:51,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2023-11-06 22:52:51,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2023-11-06 22:52:51,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2023-11-06 22:52:51,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2023-11-06 22:52:51,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2023-11-06 22:52:51,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2023-11-06 22:52:51,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2023-11-06 22:52:51,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2023-11-06 22:52:51,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2023-11-06 22:52:51,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2023-11-06 22:52:51,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2023-11-06 22:52:51,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2023-11-06 22:52:51,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2023-11-06 22:52:51,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2023-11-06 22:52:51,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2023-11-06 22:52:51,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2023-11-06 22:52:51,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2023-11-06 22:52:51,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2023-11-06 22:52:51,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2023-11-06 22:52:51,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2023-11-06 22:52:51,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2023-11-06 22:52:51,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2023-11-06 22:52:51,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2023-11-06 22:52:51,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2023-11-06 22:52:51,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2023-11-06 22:52:51,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2023-11-06 22:52:51,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2023-11-06 22:52:51,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:52:51,360 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:51,367 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:52:51,367 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:52:51,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:52:51 BasicIcfg [2023-11-06 22:52:51,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:52:51,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:52:51,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:52:51,377 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:52:51,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:15" (3/4) ... [2023-11-06 22:52:51,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:52:51,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:52:51,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:52:51,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:52:51,394 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-06 22:52:51,395 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:52:51,395 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:52:51,396 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:52:51,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:52:51,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:52:51,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:52:51,483 INFO L158 Benchmark]: Toolchain (without parser) took 38539.09ms. Allocated memory was 165.7MB in the beginning and 763.4MB in the end (delta: 597.7MB). Free memory was 120.1MB in the beginning and 283.6MB in the end (delta: -163.5MB). Peak memory consumption was 437.4MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,484 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:51,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.58ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 106.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.23ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 102.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,485 INFO L158 Benchmark]: Boogie Preprocessor took 100.54ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 99.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,485 INFO L158 Benchmark]: RCFGBuilder took 1553.59ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 99.1MB in the beginning and 139.2MB in the end (delta: -40.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,486 INFO L158 Benchmark]: TraceAbstraction took 36347.73ms. Allocated memory was 228.6MB in the beginning and 763.4MB in the end (delta: 534.8MB). Free memory was 139.2MB in the beginning and 288.8MB in the end (delta: -149.6MB). Peak memory consumption was 385.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,486 INFO L158 Benchmark]: Witness Printer took 105.99ms. Allocated memory is still 763.4MB. Free memory was 288.8MB in the beginning and 283.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:52:51,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.58ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 106.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.23ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 102.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.54ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 99.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1553.59ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 99.1MB in the beginning and 139.2MB in the end (delta: -40.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * TraceAbstraction took 36347.73ms. Allocated memory was 228.6MB in the beginning and 763.4MB in the end (delta: 534.8MB). Free memory was 139.2MB in the beginning and 288.8MB in the end (delta: -149.6MB). Peak memory consumption was 385.1MB. Max. memory is 16.1GB. * Witness Printer took 105.99ms. Allocated memory is still 763.4MB. Free memory was 288.8MB in the beginning and 283.6MB in the end (delta: 5.3MB). 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: 16.8s, 359 PlacesBefore, 127 PlacesAfterwards, 367 TransitionsBefore, 128 TransitionsAfterwards, 29952 CoEnabledTransitionPairs, 8 FixpointIterations, 156 TrivialSequentialCompositions, 145 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 30 ConcurrentYvCompositions, 7 ChoiceCompositions, 353 TotalNumberOfCompositions, 128824 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36272, independent: 34909, independent conditional: 0, independent unconditional: 34909, dependent: 1363, dependent conditional: 0, dependent unconditional: 1363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15725, independent: 15459, independent conditional: 0, independent unconditional: 15459, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36272, independent: 19450, independent conditional: 0, independent unconditional: 19450, dependent: 1097, dependent conditional: 0, dependent unconditional: 1097, unknown: 15725, unknown conditional: 0, unknown unconditional: 15725] , Statistics on independence cache: Total cache size (in pairs): 1476, Positive cache size: 1334, Positive conditional cache size: 0, Positive unconditional cache size: 1334, Negative cache size: 142, Negative conditional cache size: 0, Negative unconditional cache size: 142, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 103]: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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: 91]: 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: 91]: 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: 91]: 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, 558 locations, 79 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: 36.1s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2128 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1409 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 385 mSDsCounter, 615 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4016 IncrementalHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 615 mSolverCounterUnsat, 125 mSDtfsCounter, 4016 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=0, InterpolantAutomatonStates: 58, 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, 2.9s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 922 SizeOfPredicates, 7 NumberOfNonLiveVariables, 396 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 13/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:52:51,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad3bb55-07b9-445e-a7b6-5ff26f9c95d7/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