./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:24:38,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:24:38,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:24:38,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:24:38,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:24:38,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:24:38,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:24:38,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:24:38,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:24:38,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:24:38,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:24:38,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:24:38,847 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:24:38,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:24:38,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:24:38,849 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:24:38,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:24:38,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:24:38,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:24:38,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:24:38,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:24:38,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:24:38,857 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:24:38,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:24:38,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:24:38,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:24:38,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:24:38,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:24:38,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:24:38,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:24:38,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:38,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:24:38,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:24:38,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:24:38,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:24:38,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:24:38,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:24:38,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:24:38,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:24:38,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:24:38,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:24:38,866 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_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 [2023-11-21 22:24:39,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:24:39,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:24:39,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:24:39,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:24:39,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:24:39,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2023-11-21 22:24:42,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:24:42,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:24:42,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2023-11-21 22:24:42,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/data/275b88828/9071caca56db4a22b98554c3d00ffb01/FLAG598343d7b [2023-11-21 22:24:42,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/data/275b88828/9071caca56db4a22b98554c3d00ffb01 [2023-11-21 22:24:42,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:24:42,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:24:42,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:42,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:24:42,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:24:42,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:42" (1/1) ... [2023-11-21 22:24:42,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9e5c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:42, skipping insertion in model container [2023-11-21 22:24:42,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:42" (1/1) ... [2023-11-21 22:24:42,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:24:43,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:43,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:24:43,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:43,146 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:43,146 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:43,155 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:24:43,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43 WrapperNode [2023-11-21 22:24:43,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:43,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:43,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:24:43,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:24:43,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,237 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 337 [2023-11-21 22:24:43,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:43,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:24:43,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:24:43,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:24:43,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:24:43,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:24:43,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:24:43,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:24:43,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (1/1) ... [2023-11-21 22:24:43,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:43,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:43,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:43,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:24:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:24:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:24:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:24:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:24:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:24:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:24:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:24:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:24:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 22:24:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 22:24:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:24:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:24:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:24:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:24:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:24:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:24:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:24:43,393 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:24:43,512 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:24:43,515 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:24:44,156 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:24:44,598 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:24:44,599 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 22:24:44,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:44 BoogieIcfgContainer [2023-11-21 22:24:44,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:24:44,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:24:44,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:24:44,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:24:44,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:24:42" (1/3) ... [2023-11-21 22:24:44,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2a2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:44, skipping insertion in model container [2023-11-21 22:24:44,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:43" (2/3) ... [2023-11-21 22:24:44,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2a2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:44, skipping insertion in model container [2023-11-21 22:24:44,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:44" (3/3) ... [2023-11-21 22:24:44,615 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2023-11-21 22:24:44,625 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:24:44,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:24:44,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-11-21 22:24:44,637 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:24:44,765 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 22:24:44,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 286 transitions, 593 flow [2023-11-21 22:24:44,944 INFO L124 PetriNetUnfolderBase]: 9/283 cut-off events. [2023-11-21 22:24:44,944 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 22:24:44,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 283 events. 9/283 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 384 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 189. Up to 2 conditions per place. [2023-11-21 22:24:44,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 287 places, 286 transitions, 593 flow [2023-11-21 22:24:44,980 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 262 places, 260 transitions, 538 flow [2023-11-21 22:24:44,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:24:45,007 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b67fcf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:24:45,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2023-11-21 22:24:45,019 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:24:45,019 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2023-11-21 22:24:45,019 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:24:45,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:45,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:45,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:45,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:45,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1036094949, now seen corresponding path program 1 times [2023-11-21 22:24:45,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:45,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118056545] [2023-11-21 22:24:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:45,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:45,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:45,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118056545] [2023-11-21 22:24:45,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118056545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:45,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:45,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:45,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253844313] [2023-11-21 22:24:45,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:45,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:45,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:45,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:45,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:45,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 286 [2023-11-21 22:24:45,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 260 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:45,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:45,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 286 [2023-11-21 22:24:45,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:45,593 INFO L124 PetriNetUnfolderBase]: 96/550 cut-off events. [2023-11-21 22:24:45,594 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2023-11-21 22:24:45,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 550 events. 96/550 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2486 event pairs, 71 based on Foata normal form. 3/491 useless extension candidates. Maximal degree in co-relation 571. Up to 160 conditions per place. [2023-11-21 22:24:45,605 INFO L140 encePairwiseOnDemand]: 255/286 looper letters, 16 selfloop transitions, 2 changer transitions 2/231 dead transitions. [2023-11-21 22:24:45,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 231 transitions, 516 flow [2023-11-21 22:24:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2023-11-21 22:24:45,627 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.87995337995338 [2023-11-21 22:24:45,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 755 transitions. [2023-11-21 22:24:45,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 755 transitions. [2023-11-21 22:24:45,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:45,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 755 transitions. [2023-11-21 22:24:45,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:45,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:45,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:45,654 INFO L175 Difference]: Start difference. First operand has 262 places, 260 transitions, 538 flow. Second operand 3 states and 755 transitions. [2023-11-21 22:24:45,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 231 transitions, 516 flow [2023-11-21 22:24:45,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 231 transitions, 504 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-21 22:24:45,668 INFO L231 Difference]: Finished difference. Result has 234 places, 229 transitions, 468 flow [2023-11-21 22:24:45,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=234, PETRI_TRANSITIONS=229} [2023-11-21 22:24:45,675 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -28 predicate places. [2023-11-21 22:24:45,675 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 229 transitions, 468 flow [2023-11-21 22:24:45,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:45,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:45,677 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:45,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:24:45,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:45,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:45,678 INFO L85 PathProgramCache]: Analyzing trace with hash 389628265, now seen corresponding path program 1 times [2023-11-21 22:24:45,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:45,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204148650] [2023-11-21 22:24:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:45,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:45,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:45,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204148650] [2023-11-21 22:24:45,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204148650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:45,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:45,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:45,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709691014] [2023-11-21 22:24:45,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:45,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:45,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:45,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:45,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:45,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 286 [2023-11-21 22:24:45,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 229 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:45,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:45,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 286 [2023-11-21 22:24:45,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:46,070 INFO L124 PetriNetUnfolderBase]: 43/860 cut-off events. [2023-11-21 22:24:46,070 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-21 22:24:46,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 860 events. 43/860 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4797 event pairs, 38 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 929. Up to 81 conditions per place. [2023-11-21 22:24:46,079 INFO L140 encePairwiseOnDemand]: 283/286 looper letters, 14 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2023-11-21 22:24:46,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 228 transitions, 498 flow [2023-11-21 22:24:46,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2023-11-21 22:24:46,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8519813519813519 [2023-11-21 22:24:46,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2023-11-21 22:24:46,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2023-11-21 22:24:46,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:46,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2023-11-21 22:24:46,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,091 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,092 INFO L175 Difference]: Start difference. First operand has 234 places, 229 transitions, 468 flow. Second operand 3 states and 731 transitions. [2023-11-21 22:24:46,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 228 transitions, 498 flow [2023-11-21 22:24:46,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 228 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:46,104 INFO L231 Difference]: Finished difference. Result has 231 places, 228 transitions, 466 flow [2023-11-21 22:24:46,105 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=231, PETRI_TRANSITIONS=228} [2023-11-21 22:24:46,108 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -31 predicate places. [2023-11-21 22:24:46,109 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 228 transitions, 466 flow [2023-11-21 22:24:46,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:46,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:46,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:24:46,112 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:46,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:46,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1486220350, now seen corresponding path program 1 times [2023-11-21 22:24:46,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:46,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246644766] [2023-11-21 22:24:46,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:46,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:46,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246644766] [2023-11-21 22:24:46,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246644766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:46,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:46,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:46,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808269488] [2023-11-21 22:24:46,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:46,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:46,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:46,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:46,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 286 [2023-11-21 22:24:46,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 228 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:46,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 286 [2023-11-21 22:24:46,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:46,440 INFO L124 PetriNetUnfolderBase]: 43/859 cut-off events. [2023-11-21 22:24:46,441 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-21 22:24:46,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 859 events. 43/859 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4782 event pairs, 38 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 922. Up to 82 conditions per place. [2023-11-21 22:24:46,450 INFO L140 encePairwiseOnDemand]: 283/286 looper letters, 15 selfloop transitions, 2 changer transitions 0/227 dead transitions. [2023-11-21 22:24:46,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 227 transitions, 498 flow [2023-11-21 22:24:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2023-11-21 22:24:46,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8496503496503497 [2023-11-21 22:24:46,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2023-11-21 22:24:46,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2023-11-21 22:24:46,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:46,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2023-11-21 22:24:46,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,461 INFO L175 Difference]: Start difference. First operand has 231 places, 228 transitions, 466 flow. Second operand 3 states and 729 transitions. [2023-11-21 22:24:46,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 227 transitions, 498 flow [2023-11-21 22:24:46,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 227 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:46,467 INFO L231 Difference]: Finished difference. Result has 230 places, 227 transitions, 464 flow [2023-11-21 22:24:46,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=230, PETRI_TRANSITIONS=227} [2023-11-21 22:24:46,469 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -32 predicate places. [2023-11-21 22:24:46,469 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 227 transitions, 464 flow [2023-11-21 22:24:46,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:46,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:46,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:24:46,471 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:46,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1122966190, now seen corresponding path program 1 times [2023-11-21 22:24:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:46,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079109817] [2023-11-21 22:24:46,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:46,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:46,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:46,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079109817] [2023-11-21 22:24:46,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079109817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:46,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:46,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:46,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371001238] [2023-11-21 22:24:46,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:46,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:46,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:46,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:46,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:46,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 286 [2023-11-21 22:24:46,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 227 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:46,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 286 [2023-11-21 22:24:46,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:46,785 INFO L124 PetriNetUnfolderBase]: 79/894 cut-off events. [2023-11-21 22:24:46,785 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 22:24:46,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 894 events. 79/894 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5274 event pairs, 74 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 1011. Up to 144 conditions per place. [2023-11-21 22:24:46,795 INFO L140 encePairwiseOnDemand]: 283/286 looper letters, 17 selfloop transitions, 2 changer transitions 0/226 dead transitions. [2023-11-21 22:24:46,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 226 transitions, 500 flow [2023-11-21 22:24:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 725 transitions. [2023-11-21 22:24:46,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.844988344988345 [2023-11-21 22:24:46,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 725 transitions. [2023-11-21 22:24:46,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 725 transitions. [2023-11-21 22:24:46,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:46,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 725 transitions. [2023-11-21 22:24:46,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,807 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,807 INFO L175 Difference]: Start difference. First operand has 230 places, 227 transitions, 464 flow. Second operand 3 states and 725 transitions. [2023-11-21 22:24:46,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 226 transitions, 500 flow [2023-11-21 22:24:46,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 226 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:46,813 INFO L231 Difference]: Finished difference. Result has 229 places, 226 transitions, 462 flow [2023-11-21 22:24:46,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=229, PETRI_TRANSITIONS=226} [2023-11-21 22:24:46,816 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -33 predicate places. [2023-11-21 22:24:46,816 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 226 transitions, 462 flow [2023-11-21 22:24:46,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:46,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:46,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:24:46,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:46,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1442297145, now seen corresponding path program 1 times [2023-11-21 22:24:46,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:46,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691795661] [2023-11-21 22:24:46,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:46,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:46,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:46,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:46,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691795661] [2023-11-21 22:24:46,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691795661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:46,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:46,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972795220] [2023-11-21 22:24:46,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:46,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:46,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:46,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:46,946 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 286 [2023-11-21 22:24:46,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 226 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:46,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:46,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 286 [2023-11-21 22:24:46,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:47,137 INFO L124 PetriNetUnfolderBase]: 115/903 cut-off events. [2023-11-21 22:24:47,138 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-21 22:24:47,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1125 conditions, 903 events. 115/903 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5392 event pairs, 110 based on Foata normal form. 0/795 useless extension candidates. Maximal degree in co-relation 1071. Up to 203 conditions per place. [2023-11-21 22:24:47,148 INFO L140 encePairwiseOnDemand]: 282/286 looper letters, 17 selfloop transitions, 1 changer transitions 0/223 dead transitions. [2023-11-21 22:24:47,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 223 transitions, 492 flow [2023-11-21 22:24:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:47,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2023-11-21 22:24:47,151 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2023-11-21 22:24:47,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2023-11-21 22:24:47,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2023-11-21 22:24:47,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:47,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2023-11-21 22:24:47,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,159 INFO L175 Difference]: Start difference. First operand has 229 places, 226 transitions, 462 flow. Second operand 3 states and 726 transitions. [2023-11-21 22:24:47,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 223 transitions, 492 flow [2023-11-21 22:24:47,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 223 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:47,164 INFO L231 Difference]: Finished difference. Result has 226 places, 223 transitions, 454 flow [2023-11-21 22:24:47,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=226, PETRI_TRANSITIONS=223} [2023-11-21 22:24:47,166 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -36 predicate places. [2023-11-21 22:24:47,166 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 223 transitions, 454 flow [2023-11-21 22:24:47,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:47,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:47,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:24:47,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:47,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:47,169 INFO L85 PathProgramCache]: Analyzing trace with hash 2113469467, now seen corresponding path program 1 times [2023-11-21 22:24:47,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:47,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566763843] [2023-11-21 22:24:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:47,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:47,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566763843] [2023-11-21 22:24:47,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566763843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:47,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:47,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:47,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059013188] [2023-11-21 22:24:47,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:47,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:47,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:47,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:47,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:47,225 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 286 [2023-11-21 22:24:47,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 223 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:47,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 286 [2023-11-21 22:24:47,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:47,414 INFO L124 PetriNetUnfolderBase]: 43/830 cut-off events. [2023-11-21 22:24:47,414 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-21 22:24:47,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 830 events. 43/830 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4532 event pairs, 38 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 875. Up to 81 conditions per place. [2023-11-21 22:24:47,422 INFO L140 encePairwiseOnDemand]: 283/286 looper letters, 14 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2023-11-21 22:24:47,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 222 transitions, 484 flow [2023-11-21 22:24:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2023-11-21 22:24:47,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8519813519813519 [2023-11-21 22:24:47,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2023-11-21 22:24:47,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2023-11-21 22:24:47,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:47,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2023-11-21 22:24:47,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,433 INFO L175 Difference]: Start difference. First operand has 226 places, 223 transitions, 454 flow. Second operand 3 states and 731 transitions. [2023-11-21 22:24:47,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 222 transitions, 484 flow [2023-11-21 22:24:47,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 222 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:24:47,439 INFO L231 Difference]: Finished difference. Result has 226 places, 222 transitions, 455 flow [2023-11-21 22:24:47,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=226, PETRI_TRANSITIONS=222} [2023-11-21 22:24:47,441 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -36 predicate places. [2023-11-21 22:24:47,441 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 222 transitions, 455 flow [2023-11-21 22:24:47,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:47,442 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:47,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:24:47,443 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:47,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:47,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1850859970, now seen corresponding path program 1 times [2023-11-21 22:24:47,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:47,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274266890] [2023-11-21 22:24:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:47,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:47,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:47,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274266890] [2023-11-21 22:24:47,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274266890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:47,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:47,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:47,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648818074] [2023-11-21 22:24:47,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:47,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:47,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:47,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:47,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:47,497 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 286 [2023-11-21 22:24:47,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 222 transitions, 455 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:47,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 286 [2023-11-21 22:24:47,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:47,654 INFO L124 PetriNetUnfolderBase]: 43/829 cut-off events. [2023-11-21 22:24:47,654 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-21 22:24:47,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 829 events. 43/829 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4529 event pairs, 38 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 874. Up to 79 conditions per place. [2023-11-21 22:24:47,662 INFO L140 encePairwiseOnDemand]: 284/286 looper letters, 13 selfloop transitions, 1 changer transitions 0/221 dead transitions. [2023-11-21 22:24:47,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 221 transitions, 481 flow [2023-11-21 22:24:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2023-11-21 22:24:47,666 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8601398601398601 [2023-11-21 22:24:47,666 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2023-11-21 22:24:47,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2023-11-21 22:24:47,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:47,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2023-11-21 22:24:47,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,672 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,672 INFO L175 Difference]: Start difference. First operand has 226 places, 222 transitions, 455 flow. Second operand 3 states and 738 transitions. [2023-11-21 22:24:47,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 221 transitions, 481 flow [2023-11-21 22:24:47,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 221 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:47,678 INFO L231 Difference]: Finished difference. Result has 225 places, 221 transitions, 451 flow [2023-11-21 22:24:47,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=451, PETRI_PLACES=225, PETRI_TRANSITIONS=221} [2023-11-21 22:24:47,679 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -37 predicate places. [2023-11-21 22:24:47,680 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 221 transitions, 451 flow [2023-11-21 22:24:47,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:47,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:47,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:24:47,681 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:47,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:47,682 INFO L85 PathProgramCache]: Analyzing trace with hash -596060726, now seen corresponding path program 1 times [2023-11-21 22:24:47,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:47,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049575018] [2023-11-21 22:24:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:47,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:47,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:47,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049575018] [2023-11-21 22:24:47,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049575018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:47,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:47,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:47,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723130822] [2023-11-21 22:24:47,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:47,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:47,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:47,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:47,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:47,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 286 [2023-11-21 22:24:47,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 221 transitions, 451 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:47,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 286 [2023-11-21 22:24:47,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:47,944 INFO L124 PetriNetUnfolderBase]: 79/864 cut-off events. [2023-11-21 22:24:47,945 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 22:24:47,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 864 events. 79/864 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4915 event pairs, 74 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 972. Up to 143 conditions per place. [2023-11-21 22:24:47,953 INFO L140 encePairwiseOnDemand]: 283/286 looper letters, 16 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2023-11-21 22:24:47,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 220 transitions, 485 flow [2023-11-21 22:24:47,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2023-11-21 22:24:47,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8473193473193473 [2023-11-21 22:24:47,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 727 transitions. [2023-11-21 22:24:47,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions. [2023-11-21 22:24:47,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:47,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions. [2023-11-21 22:24:47,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,964 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,964 INFO L175 Difference]: Start difference. First operand has 225 places, 221 transitions, 451 flow. Second operand 3 states and 727 transitions. [2023-11-21 22:24:47,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 220 transitions, 485 flow [2023-11-21 22:24:47,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 220 transitions, 484 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:24:47,969 INFO L231 Difference]: Finished difference. Result has 225 places, 220 transitions, 452 flow [2023-11-21 22:24:47,970 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=225, PETRI_TRANSITIONS=220} [2023-11-21 22:24:47,971 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -37 predicate places. [2023-11-21 22:24:47,971 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 220 transitions, 452 flow [2023-11-21 22:24:47,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:47,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:47,972 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:47,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:24:47,973 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:47,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:47,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1096719629, now seen corresponding path program 1 times [2023-11-21 22:24:47,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:47,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565221610] [2023-11-21 22:24:47,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:47,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:48,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:48,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565221610] [2023-11-21 22:24:48,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565221610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:48,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:48,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:24:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207304612] [2023-11-21 22:24:48,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:48,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:24:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:24:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:24:48,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 286 [2023-11-21 22:24:48,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 220 transitions, 452 flow. Second operand has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:48,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:48,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 286 [2023-11-21 22:24:48,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:49,855 INFO L124 PetriNetUnfolderBase]: 1215/3395 cut-off events. [2023-11-21 22:24:49,856 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-21 22:24:49,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5301 conditions, 3395 events. 1215/3395 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 29019 event pairs, 1210 based on Foata normal form. 0/3041 useless extension candidates. Maximal degree in co-relation 5248. Up to 1882 conditions per place. [2023-11-21 22:24:49,894 INFO L140 encePairwiseOnDemand]: 280/286 looper letters, 39 selfloop transitions, 5 changer transitions 0/219 dead transitions. [2023-11-21 22:24:49,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 219 transitions, 538 flow [2023-11-21 22:24:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:24:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:24:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1311 transitions. [2023-11-21 22:24:49,899 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.763986013986014 [2023-11-21 22:24:49,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1311 transitions. [2023-11-21 22:24:49,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1311 transitions. [2023-11-21 22:24:49,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:49,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1311 transitions. [2023-11-21 22:24:49,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 218.5) internal successors, (1311), 6 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:49,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:49,910 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:49,910 INFO L175 Difference]: Start difference. First operand has 225 places, 220 transitions, 452 flow. Second operand 6 states and 1311 transitions. [2023-11-21 22:24:49,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 219 transitions, 538 flow [2023-11-21 22:24:49,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 219 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:49,916 INFO L231 Difference]: Finished difference. Result has 227 places, 219 transitions, 456 flow [2023-11-21 22:24:49,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=456, PETRI_PLACES=227, PETRI_TRANSITIONS=219} [2023-11-21 22:24:49,917 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -35 predicate places. [2023-11-21 22:24:49,918 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 219 transitions, 456 flow [2023-11-21 22:24:49,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:49,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:49,919 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:49,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:24:49,919 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:49,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1312339413, now seen corresponding path program 1 times [2023-11-21 22:24:49,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:49,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559302994] [2023-11-21 22:24:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:49,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:49,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559302994] [2023-11-21 22:24:49,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559302994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:49,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:49,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:49,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581927777] [2023-11-21 22:24:49,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:49,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:49,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:49,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:49,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:49,989 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 286 [2023-11-21 22:24:49,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 219 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:49,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:49,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 286 [2023-11-21 22:24:49,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:50,117 INFO L124 PetriNetUnfolderBase]: 148/618 cut-off events. [2023-11-21 22:24:50,117 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-21 22:24:50,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 618 events. 148/618 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2986 event pairs, 44 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 882. Up to 236 conditions per place. [2023-11-21 22:24:50,125 INFO L140 encePairwiseOnDemand]: 282/286 looper letters, 19 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2023-11-21 22:24:50,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 222 transitions, 506 flow [2023-11-21 22:24:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2023-11-21 22:24:50,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8589743589743589 [2023-11-21 22:24:50,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2023-11-21 22:24:50,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2023-11-21 22:24:50,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:50,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2023-11-21 22:24:50,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,135 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,136 INFO L175 Difference]: Start difference. First operand has 227 places, 219 transitions, 456 flow. Second operand 3 states and 737 transitions. [2023-11-21 22:24:50,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 222 transitions, 506 flow [2023-11-21 22:24:50,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 222 transitions, 496 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:24:50,142 INFO L231 Difference]: Finished difference. Result has 223 places, 219 transitions, 456 flow [2023-11-21 22:24:50,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=223, PETRI_TRANSITIONS=219} [2023-11-21 22:24:50,144 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -39 predicate places. [2023-11-21 22:24:50,144 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 219 transitions, 456 flow [2023-11-21 22:24:50,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:50,145 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:50,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:24:50,145 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:50,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:50,146 INFO L85 PathProgramCache]: Analyzing trace with hash -689116841, now seen corresponding path program 1 times [2023-11-21 22:24:50,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:50,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904226016] [2023-11-21 22:24:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:50,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:50,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904226016] [2023-11-21 22:24:50,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904226016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:50,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:50,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:50,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083297168] [2023-11-21 22:24:50,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:50,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:50,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:50,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:50,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:50,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 286 [2023-11-21 22:24:50,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 219 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:50,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 286 [2023-11-21 22:24:50,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:50,465 INFO L124 PetriNetUnfolderBase]: 129/958 cut-off events. [2023-11-21 22:24:50,465 INFO L125 PetriNetUnfolderBase]: For 25/37 co-relation queries the response was YES. [2023-11-21 22:24:50,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 958 events. 129/958 cut-off events. For 25/37 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 5953 event pairs, 38 based on Foata normal form. 1/877 useless extension candidates. Maximal degree in co-relation 1164. Up to 198 conditions per place. [2023-11-21 22:24:50,475 INFO L140 encePairwiseOnDemand]: 281/286 looper letters, 21 selfloop transitions, 3 changer transitions 0/225 dead transitions. [2023-11-21 22:24:50,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 225 transitions, 518 flow [2023-11-21 22:24:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2023-11-21 22:24:50,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8624708624708625 [2023-11-21 22:24:50,479 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2023-11-21 22:24:50,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2023-11-21 22:24:50,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:50,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2023-11-21 22:24:50,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,486 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,486 INFO L175 Difference]: Start difference. First operand has 223 places, 219 transitions, 456 flow. Second operand 3 states and 740 transitions. [2023-11-21 22:24:50,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 225 transitions, 518 flow [2023-11-21 22:24:50,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 225 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:24:50,492 INFO L231 Difference]: Finished difference. Result has 224 places, 220 transitions, 473 flow [2023-11-21 22:24:50,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=224, PETRI_TRANSITIONS=220} [2023-11-21 22:24:50,494 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -38 predicate places. [2023-11-21 22:24:50,494 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 220 transitions, 473 flow [2023-11-21 22:24:50,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:50,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:50,495 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:50,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:24:50,496 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:50,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:50,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1123029118, now seen corresponding path program 1 times [2023-11-21 22:24:50,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:50,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83760513] [2023-11-21 22:24:50,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:50,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:51,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:51,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83760513] [2023-11-21 22:24:51,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83760513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:51,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:51,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:24:51,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82719353] [2023-11-21 22:24:51,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:51,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:24:51,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:51,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:24:51,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:24:51,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 286 [2023-11-21 22:24:51,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 220 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 232.66666666666666) internal successors, (1396), 6 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:51,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:51,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 286 [2023-11-21 22:24:51,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:51,937 INFO L124 PetriNetUnfolderBase]: 305/1187 cut-off events. [2023-11-21 22:24:51,938 INFO L125 PetriNetUnfolderBase]: For 150/160 co-relation queries the response was YES. [2023-11-21 22:24:51,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1187 events. 305/1187 cut-off events. For 150/160 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8011 event pairs, 32 based on Foata normal form. 5/1086 useless extension candidates. Maximal degree in co-relation 1886. Up to 181 conditions per place. [2023-11-21 22:24:51,963 INFO L140 encePairwiseOnDemand]: 281/286 looper letters, 48 selfloop transitions, 4 changer transitions 0/247 dead transitions. [2023-11-21 22:24:51,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 247 transitions, 671 flow [2023-11-21 22:24:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:24:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:24:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1429 transitions. [2023-11-21 22:24:51,969 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8327505827505828 [2023-11-21 22:24:51,969 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1429 transitions. [2023-11-21 22:24:51,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1429 transitions. [2023-11-21 22:24:51,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:51,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1429 transitions. [2023-11-21 22:24:51,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 238.16666666666666) internal successors, (1429), 6 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:51,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:51,981 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:51,981 INFO L175 Difference]: Start difference. First operand has 224 places, 220 transitions, 473 flow. Second operand 6 states and 1429 transitions. [2023-11-21 22:24:51,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 247 transitions, 671 flow [2023-11-21 22:24:51,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 247 transitions, 671 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:24:51,989 INFO L231 Difference]: Finished difference. Result has 228 places, 219 transitions, 479 flow [2023-11-21 22:24:51,990 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=479, PETRI_PLACES=228, PETRI_TRANSITIONS=219} [2023-11-21 22:24:51,992 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -34 predicate places. [2023-11-21 22:24:51,993 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 219 transitions, 479 flow [2023-11-21 22:24:51,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.66666666666666) internal successors, (1396), 6 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:51,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:51,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:51,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:24:51,996 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:51,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1708770307, now seen corresponding path program 1 times [2023-11-21 22:24:51,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:51,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702989378] [2023-11-21 22:24:51,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:52,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:52,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702989378] [2023-11-21 22:24:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702989378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:52,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:52,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:24:52,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972032258] [2023-11-21 22:24:52,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:52,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:52,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:52,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:52,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:52,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 286 [2023-11-21 22:24:52,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 219 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:52,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 286 [2023-11-21 22:24:52,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:52,320 INFO L124 PetriNetUnfolderBase]: 42/663 cut-off events. [2023-11-21 22:24:52,320 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2023-11-21 22:24:52,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 663 events. 42/663 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3043 event pairs, 16 based on Foata normal form. 8/625 useless extension candidates. Maximal degree in co-relation 780. Up to 60 conditions per place. [2023-11-21 22:24:52,326 INFO L140 encePairwiseOnDemand]: 282/286 looper letters, 18 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2023-11-21 22:24:52,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 222 transitions, 526 flow [2023-11-21 22:24:52,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2023-11-21 22:24:52,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8682983682983683 [2023-11-21 22:24:52,330 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 745 transitions. [2023-11-21 22:24:52,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 745 transitions. [2023-11-21 22:24:52,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:52,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 745 transitions. [2023-11-21 22:24:52,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,355 INFO L175 Difference]: Start difference. First operand has 228 places, 219 transitions, 479 flow. Second operand 3 states and 745 transitions. [2023-11-21 22:24:52,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 222 transitions, 526 flow [2023-11-21 22:24:52,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 222 transitions, 519 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:24:52,361 INFO L231 Difference]: Finished difference. Result has 227 places, 218 transitions, 478 flow [2023-11-21 22:24:52,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=227, PETRI_TRANSITIONS=218} [2023-11-21 22:24:52,363 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -35 predicate places. [2023-11-21 22:24:52,364 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 218 transitions, 478 flow [2023-11-21 22:24:52,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:52,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:52,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:24:52,366 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:52,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:52,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1221714001, now seen corresponding path program 1 times [2023-11-21 22:24:52,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:52,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344958774] [2023-11-21 22:24:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:52,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:52,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:52,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344958774] [2023-11-21 22:24:52,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344958774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:52,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:52,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:24:52,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901327720] [2023-11-21 22:24:52,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:52,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:24:52,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:52,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:24:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:24:52,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 286 [2023-11-21 22:24:52,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 218 transitions, 478 flow. Second operand has 4 states, 4 states have (on average 243.25) internal successors, (973), 4 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:52,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 286 [2023-11-21 22:24:52,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:52,714 INFO L124 PetriNetUnfolderBase]: 31/421 cut-off events. [2023-11-21 22:24:52,714 INFO L125 PetriNetUnfolderBase]: For 50/54 co-relation queries the response was YES. [2023-11-21 22:24:52,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 421 events. 31/421 cut-off events. For 50/54 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1254 event pairs, 8 based on Foata normal form. 10/407 useless extension candidates. Maximal degree in co-relation 518. Up to 24 conditions per place. [2023-11-21 22:24:52,718 INFO L140 encePairwiseOnDemand]: 282/286 looper letters, 18 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2023-11-21 22:24:52,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 224 transitions, 540 flow [2023-11-21 22:24:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:24:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 22:24:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 988 transitions. [2023-11-21 22:24:52,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2023-11-21 22:24:52,722 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 988 transitions. [2023-11-21 22:24:52,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 988 transitions. [2023-11-21 22:24:52,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:52,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 988 transitions. [2023-11-21 22:24:52,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 286.0) internal successors, (1430), 5 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,731 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 286.0) internal successors, (1430), 5 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,731 INFO L175 Difference]: Start difference. First operand has 227 places, 218 transitions, 478 flow. Second operand 4 states and 988 transitions. [2023-11-21 22:24:52,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 224 transitions, 540 flow [2023-11-21 22:24:52,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 224 transitions, 533 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:52,738 INFO L231 Difference]: Finished difference. Result has 229 places, 218 transitions, 487 flow [2023-11-21 22:24:52,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=487, PETRI_PLACES=229, PETRI_TRANSITIONS=218} [2023-11-21 22:24:52,740 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -33 predicate places. [2023-11-21 22:24:52,740 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 218 transitions, 487 flow [2023-11-21 22:24:52,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 243.25) internal successors, (973), 4 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:52,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:52,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:52,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:24:52,741 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:52,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1502785045, now seen corresponding path program 1 times [2023-11-21 22:24:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:52,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119605809] [2023-11-21 22:24:52,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:53,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:53,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119605809] [2023-11-21 22:24:53,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119605809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:53,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:53,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:24:53,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912753992] [2023-11-21 22:24:53,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:53,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:24:53,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:53,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:24:53,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:24:53,748 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 286 [2023-11-21 22:24:53,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 218 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:53,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 286 [2023-11-21 22:24:53,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:53,933 INFO L124 PetriNetUnfolderBase]: 47/474 cut-off events. [2023-11-21 22:24:53,933 INFO L125 PetriNetUnfolderBase]: For 123/129 co-relation queries the response was YES. [2023-11-21 22:24:53,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 474 events. 47/474 cut-off events. For 123/129 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1744 event pairs, 21 based on Foata normal form. 4/455 useless extension candidates. Maximal degree in co-relation 652. Up to 60 conditions per place. [2023-11-21 22:24:53,937 INFO L140 encePairwiseOnDemand]: 281/286 looper letters, 32 selfloop transitions, 4 changer transitions 0/229 dead transitions. [2023-11-21 22:24:53,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 229 transitions, 617 flow [2023-11-21 22:24:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:24:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:24:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2023-11-21 22:24:53,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.828088578088578 [2023-11-21 22:24:53,943 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2023-11-21 22:24:53,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2023-11-21 22:24:53,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:53,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2023-11-21 22:24:53,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,954 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,954 INFO L175 Difference]: Start difference. First operand has 229 places, 218 transitions, 487 flow. Second operand 6 states and 1421 transitions. [2023-11-21 22:24:53,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 229 transitions, 617 flow [2023-11-21 22:24:53,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 229 transitions, 593 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-11-21 22:24:53,961 INFO L231 Difference]: Finished difference. Result has 230 places, 217 transitions, 481 flow [2023-11-21 22:24:53,962 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=481, PETRI_PLACES=230, PETRI_TRANSITIONS=217} [2023-11-21 22:24:53,962 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -32 predicate places. [2023-11-21 22:24:53,962 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 217 transitions, 481 flow [2023-11-21 22:24:53,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:53,964 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:53,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:24:53,964 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:53,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash 163864365, now seen corresponding path program 1 times [2023-11-21 22:24:53,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:53,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944751036] [2023-11-21 22:24:53,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:53,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:54,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944751036] [2023-11-21 22:24:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944751036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:54,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:54,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:24:54,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903313640] [2023-11-21 22:24:54,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:54,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:24:54,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:54,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:24:54,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:24:55,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 286 [2023-11-21 22:24:55,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 217 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:55,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:55,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 286 [2023-11-21 22:24:55,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:55,194 INFO L124 PetriNetUnfolderBase]: 42/485 cut-off events. [2023-11-21 22:24:55,194 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2023-11-21 22:24:55,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 485 events. 42/485 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1823 event pairs, 22 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 619. Up to 65 conditions per place. [2023-11-21 22:24:55,198 INFO L140 encePairwiseOnDemand]: 281/286 looper letters, 30 selfloop transitions, 4 changer transitions 0/224 dead transitions. [2023-11-21 22:24:55,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 224 transitions, 571 flow [2023-11-21 22:24:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:24:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:24:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1419 transitions. [2023-11-21 22:24:55,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8269230769230769 [2023-11-21 22:24:55,204 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1419 transitions. [2023-11-21 22:24:55,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1419 transitions. [2023-11-21 22:24:55,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:55,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1419 transitions. [2023-11-21 22:24:55,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.5) internal successors, (1419), 6 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:55,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:55,215 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:55,215 INFO L175 Difference]: Start difference. First operand has 230 places, 217 transitions, 481 flow. Second operand 6 states and 1419 transitions. [2023-11-21 22:24:55,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 224 transitions, 571 flow [2023-11-21 22:24:55,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 224 transitions, 564 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:24:55,221 INFO L231 Difference]: Finished difference. Result has 230 places, 216 transitions, 480 flow [2023-11-21 22:24:55,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=480, PETRI_PLACES=230, PETRI_TRANSITIONS=216} [2023-11-21 22:24:55,223 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -32 predicate places. [2023-11-21 22:24:55,223 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 216 transitions, 480 flow [2023-11-21 22:24:55,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:55,224 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:55,224 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:55,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 22:24:55,225 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:55,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1731774629, now seen corresponding path program 1 times [2023-11-21 22:24:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:55,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36045928] [2023-11-21 22:24:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:56,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:56,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36045928] [2023-11-21 22:24:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36045928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:56,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:56,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:24:56,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951408220] [2023-11-21 22:24:56,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:56,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:24:56,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:56,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:24:56,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:24:56,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 286 [2023-11-21 22:24:56,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 216 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:56,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 286 [2023-11-21 22:24:56,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:56,528 INFO L124 PetriNetUnfolderBase]: 42/482 cut-off events. [2023-11-21 22:24:56,528 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2023-11-21 22:24:56,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 482 events. 42/482 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1788 event pairs, 22 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 619. Up to 65 conditions per place. [2023-11-21 22:24:56,532 INFO L140 encePairwiseOnDemand]: 281/286 looper letters, 30 selfloop transitions, 4 changer transitions 0/223 dead transitions. [2023-11-21 22:24:56,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 223 transitions, 570 flow [2023-11-21 22:24:56,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:24:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:24:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1419 transitions. [2023-11-21 22:24:56,538 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8269230769230769 [2023-11-21 22:24:56,539 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1419 transitions. [2023-11-21 22:24:56,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1419 transitions. [2023-11-21 22:24:56,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:56,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1419 transitions. [2023-11-21 22:24:56,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.5) internal successors, (1419), 6 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,548 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,549 INFO L175 Difference]: Start difference. First operand has 230 places, 216 transitions, 480 flow. Second operand 6 states and 1419 transitions. [2023-11-21 22:24:56,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 223 transitions, 570 flow [2023-11-21 22:24:56,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 223 transitions, 563 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:24:56,556 INFO L231 Difference]: Finished difference. Result has 230 places, 215 transitions, 479 flow [2023-11-21 22:24:56,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=479, PETRI_PLACES=230, PETRI_TRANSITIONS=215} [2023-11-21 22:24:56,557 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -32 predicate places. [2023-11-21 22:24:56,557 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 215 transitions, 479 flow [2023-11-21 22:24:56,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:56,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:56,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 22:24:56,558 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:56,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:56,559 INFO L85 PathProgramCache]: Analyzing trace with hash 414314216, now seen corresponding path program 1 times [2023-11-21 22:24:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:56,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795621913] [2023-11-21 22:24:56,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:56,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:56,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:56,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795621913] [2023-11-21 22:24:56,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795621913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:56,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:56,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:56,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77563683] [2023-11-21 22:24:56,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:56,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:56,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:56,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:56,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:56,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 286 [2023-11-21 22:24:56,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 215 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:56,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 286 [2023-11-21 22:24:56,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:56,755 INFO L124 PetriNetUnfolderBase]: 40/477 cut-off events. [2023-11-21 22:24:56,755 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2023-11-21 22:24:56,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 477 events. 40/477 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1701 event pairs, 26 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 608. Up to 69 conditions per place. [2023-11-21 22:24:56,758 INFO L140 encePairwiseOnDemand]: 283/286 looper letters, 18 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-21 22:24:56,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 216 transitions, 523 flow [2023-11-21 22:24:56,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2023-11-21 22:24:56,761 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8578088578088578 [2023-11-21 22:24:56,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2023-11-21 22:24:56,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2023-11-21 22:24:56,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:56,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2023-11-21 22:24:56,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,767 INFO L175 Difference]: Start difference. First operand has 230 places, 215 transitions, 479 flow. Second operand 3 states and 736 transitions. [2023-11-21 22:24:56,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 216 transitions, 523 flow [2023-11-21 22:24:56,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 216 transitions, 516 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:24:56,774 INFO L231 Difference]: Finished difference. Result has 227 places, 214 transitions, 474 flow [2023-11-21 22:24:56,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=227, PETRI_TRANSITIONS=214} [2023-11-21 22:24:56,775 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -35 predicate places. [2023-11-21 22:24:56,775 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 214 transitions, 474 flow [2023-11-21 22:24:56,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:56,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:56,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 22:24:56,777 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:56,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1202297556, now seen corresponding path program 1 times [2023-11-21 22:24:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:56,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046867036] [2023-11-21 22:24:56,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:57,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:57,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046867036] [2023-11-21 22:24:57,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046867036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:57,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:57,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:24:57,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970072459] [2023-11-21 22:24:57,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:57,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:24:57,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:57,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:24:57,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:24:57,867 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 286 [2023-11-21 22:24:57,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 214 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:57,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:57,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 286 [2023-11-21 22:24:57,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:57,980 INFO L124 PetriNetUnfolderBase]: 37/478 cut-off events. [2023-11-21 22:24:57,980 INFO L125 PetriNetUnfolderBase]: For 68/73 co-relation queries the response was YES. [2023-11-21 22:24:57,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 478 events. 37/478 cut-off events. For 68/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1602 event pairs, 22 based on Foata normal form. 4/466 useless extension candidates. Maximal degree in co-relation 634. Up to 63 conditions per place. [2023-11-21 22:24:57,984 INFO L140 encePairwiseOnDemand]: 281/286 looper letters, 24 selfloop transitions, 4 changer transitions 0/217 dead transitions. [2023-11-21 22:24:57,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 217 transitions, 552 flow [2023-11-21 22:24:57,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:24:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:24:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1413 transitions. [2023-11-21 22:24:57,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8234265734265734 [2023-11-21 22:24:57,990 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1413 transitions. [2023-11-21 22:24:57,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1413 transitions. [2023-11-21 22:24:57,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:57,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1413 transitions. [2023-11-21 22:24:57,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.5) internal successors, (1413), 6 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:57,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,000 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,000 INFO L175 Difference]: Start difference. First operand has 227 places, 214 transitions, 474 flow. Second operand 6 states and 1413 transitions. [2023-11-21 22:24:58,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 217 transitions, 552 flow [2023-11-21 22:24:58,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 217 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:24:58,006 INFO L231 Difference]: Finished difference. Result has 229 places, 213 transitions, 476 flow [2023-11-21 22:24:58,006 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=476, PETRI_PLACES=229, PETRI_TRANSITIONS=213} [2023-11-21 22:24:58,007 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -33 predicate places. [2023-11-21 22:24:58,007 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 213 transitions, 476 flow [2023-11-21 22:24:58,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:24:58,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:58,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 22:24:58,009 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-11-21 22:24:58,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:58,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2035616394, now seen corresponding path program 1 times [2023-11-21 22:24:58,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:58,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131219267] [2023-11-21 22:24:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:58,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:58,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:58,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131219267] [2023-11-21 22:24:58,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131219267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:58,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:58,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:58,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312642672] [2023-11-21 22:24:58,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:58,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:24:58,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:58,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:24:58,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:24:58,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 286 [2023-11-21 22:24:58,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 213 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:24:58,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 286 [2023-11-21 22:24:58,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:24:58,206 INFO L124 PetriNetUnfolderBase]: 34/469 cut-off events. [2023-11-21 22:24:58,206 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2023-11-21 22:24:58,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 469 events. 34/469 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1580 event pairs, 24 based on Foata normal form. 1/455 useless extension candidates. Maximal degree in co-relation 616. Up to 63 conditions per place. [2023-11-21 22:24:58,208 INFO L140 encePairwiseOnDemand]: 284/286 looper letters, 0 selfloop transitions, 0 changer transitions 212/212 dead transitions. [2023-11-21 22:24:58,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 212 transitions, 504 flow [2023-11-21 22:24:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:24:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:24:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2023-11-21 22:24:58,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8589743589743589 [2023-11-21 22:24:58,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2023-11-21 22:24:58,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2023-11-21 22:24:58,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:58,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2023-11-21 22:24:58,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,218 INFO L175 Difference]: Start difference. First operand has 229 places, 213 transitions, 476 flow. Second operand 3 states and 737 transitions. [2023-11-21 22:24:58,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 212 transitions, 504 flow [2023-11-21 22:24:58,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 212 transitions, 497 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:24:58,222 INFO L231 Difference]: Finished difference. Result has 226 places, 0 transitions, 0 flow [2023-11-21 22:24:58,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=226, PETRI_TRANSITIONS=0} [2023-11-21 22:24:58,223 INFO L281 CegarLoopForPetriNet]: 262 programPoint places, -36 predicate places. [2023-11-21 22:24:58,223 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 0 transitions, 0 flow [2023-11-21 22:24:58,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2023-11-21 22:24:58,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2023-11-21 22:24:58,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2023-11-21 22:24:58,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2023-11-21 22:24:58,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2023-11-21 22:24:58,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2023-11-21 22:24:58,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2023-11-21 22:24:58,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2023-11-21 22:24:58,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2023-11-21 22:24:58,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2023-11-21 22:24:58,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2023-11-21 22:24:58,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2023-11-21 22:24:58,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2023-11-21 22:24:58,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2023-11-21 22:24:58,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2023-11-21 22:24:58,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2023-11-21 22:24:58,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2023-11-21 22:24:58,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2023-11-21 22:24:58,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2023-11-21 22:24:58,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2023-11-21 22:24:58,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2023-11-21 22:24:58,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2023-11-21 22:24:58,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2023-11-21 22:24:58,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2023-11-21 22:24:58,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2023-11-21 22:24:58,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2023-11-21 22:24:58,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2023-11-21 22:24:58,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2023-11-21 22:24:58,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2023-11-21 22:24:58,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2023-11-21 22:24:58,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2023-11-21 22:24:58,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2023-11-21 22:24:58,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2023-11-21 22:24:58,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2023-11-21 22:24:58,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2023-11-21 22:24:58,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2023-11-21 22:24:58,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2023-11-21 22:24:58,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2023-11-21 22:24:58,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2023-11-21 22:24:58,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2023-11-21 22:24:58,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2023-11-21 22:24:58,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2023-11-21 22:24:58,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2023-11-21 22:24:58,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2023-11-21 22:24:58,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2023-11-21 22:24:58,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 80 remaining) [2023-11-21 22:24:58,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 80 remaining) [2023-11-21 22:24:58,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 80 remaining) [2023-11-21 22:24:58,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2023-11-21 22:24:58,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2023-11-21 22:24:58,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2023-11-21 22:24:58,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2023-11-21 22:24:58,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2023-11-21 22:24:58,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2023-11-21 22:24:58,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2023-11-21 22:24:58,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2023-11-21 22:24:58,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2023-11-21 22:24:58,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2023-11-21 22:24:58,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2023-11-21 22:24:58,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2023-11-21 22:24:58,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2023-11-21 22:24:58,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2023-11-21 22:24:58,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2023-11-21 22:24:58,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2023-11-21 22:24:58,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2023-11-21 22:24:58,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2023-11-21 22:24:58,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2023-11-21 22:24:58,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2023-11-21 22:24:58,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2023-11-21 22:24:58,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2023-11-21 22:24:58,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2023-11-21 22:24:58,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2023-11-21 22:24:58,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2023-11-21 22:24:58,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2023-11-21 22:24:58,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2023-11-21 22:24:58,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2023-11-21 22:24:58,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2023-11-21 22:24:58,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2023-11-21 22:24:58,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2023-11-21 22:24:58,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2023-11-21 22:24:58,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-21 22:24:58,242 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:58,248 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:24:58,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:24:58,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:24:58 BasicIcfg [2023-11-21 22:24:58,255 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:24:58,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:24:58,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:24:58,256 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:24:58,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:44" (3/4) ... [2023-11-21 22:24:58,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:24:58,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:24:58,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:24:58,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 22:24:58,269 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-21 22:24:58,270 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:24:58,270 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:24:58,271 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:24:58,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:24:58,379 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:24:58,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:24:58,380 INFO L158 Benchmark]: Toolchain (without parser) took 15671.01ms. Allocated memory was 161.5MB in the beginning and 484.4MB in the end (delta: 323.0MB). Free memory was 131.6MB in the beginning and 291.5MB in the end (delta: -159.9MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,380 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:24:58,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.81ms. Allocated memory is still 161.5MB. Free memory was 131.1MB in the beginning and 117.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.57ms. Allocated memory is still 161.5MB. Free memory was 117.9MB in the beginning and 114.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,381 INFO L158 Benchmark]: Boogie Preprocessor took 52.82ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 112.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,382 INFO L158 Benchmark]: RCFGBuilder took 1309.74ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 118.3MB in the end (delta: -6.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,382 INFO L158 Benchmark]: TraceAbstraction took 13648.66ms. Allocated memory was 161.5MB in the beginning and 484.4MB in the end (delta: 323.0MB). Free memory was 117.8MB in the beginning and 297.8MB in the end (delta: -180.0MB). Peak memory consumption was 146.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,383 INFO L158 Benchmark]: Witness Printer took 123.75ms. Allocated memory is still 484.4MB. Free memory was 297.8MB in the beginning and 291.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:24:58,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.81ms. Allocated memory is still 161.5MB. Free memory was 131.1MB in the beginning and 117.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.57ms. Allocated memory is still 161.5MB. Free memory was 117.9MB in the beginning and 114.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.82ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 112.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1309.74ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 118.3MB in the end (delta: -6.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13648.66ms. Allocated memory was 161.5MB in the beginning and 484.4MB in the end (delta: 323.0MB). Free memory was 117.8MB in the beginning and 297.8MB in the end (delta: -180.0MB). Peak memory consumption was 146.1MB. Max. memory is 16.1GB. * Witness Printer took 123.75ms. Allocated memory is still 484.4MB. Free memory was 297.8MB in the beginning and 291.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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, 375 locations, 80 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: 13.4s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1013 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 514 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 402 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2229 IncrementalHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 402 mSolverCounterUnsat, 59 mSDtfsCounter, 2229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=538occurred in iteration=0, InterpolantAutomatonStates: 79, 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, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1921 NumberOfCodeBlocks, 1921 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1901 ConstructedInterpolants, 0 QuantifiedInterpolants, 2761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:24:58,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e5aa2-f80e-403f-aff1-cc5edbf8c9d8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE