./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.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_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/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_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/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_5822cb6b-9a99-426f-9c75-6b11442fc5dc/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 a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:05:02,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:05:02,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 21:05:02,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:05:02,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:05:02,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:05:02,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:05:02,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:05:02,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:05:02,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:05:02,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:05:02,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:05:02,570 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:05:02,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:05:02,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:05:02,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:05:02,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:05:02,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:05:02,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:05:02,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:05:02,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:05:02,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:05:02,580 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 21:05:02,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:05:02,585 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:05:02,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:05:02,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:05:02,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:05:02,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:05:02,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:05:02,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:05:02,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:05:02,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:05:02,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:05:02,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:05:02,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:05:02,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:05:02,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:05:02,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:05:02,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:05:02,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:05:02,618 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_5822cb6b-9a99-426f-9c75-6b11442fc5dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 [2023-11-21 21:05:02,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:05:02,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:05:02,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:05:02,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:05:02,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:05:02,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2023-11-21 21:05:06,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:05:06,436 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:05:06,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2023-11-21 21:05:06,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/data/69e53017d/4660db0affc3418797ca8f657f87925f/FLAG1ab925aed [2023-11-21 21:05:06,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/data/69e53017d/4660db0affc3418797ca8f657f87925f [2023-11-21 21:05:06,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:05:06,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:05:06,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:05:06,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:05:06,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:05:06,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d155d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06, skipping insertion in model container [2023-11-21 21:05:06,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:05:06,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:05:06,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:05:06,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:05:06,865 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:05:06,865 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:05:06,873 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:05:06,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06 WrapperNode [2023-11-21 21:05:06,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:05:06,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:05:06,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:05:06,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:05:06,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,949 INFO L138 Inliner]: procedures = 25, calls = 90, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 504 [2023-11-21 21:05:06,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:05:06,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:05:06,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:05:06,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:05:06,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:06,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:07,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:07,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:07,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:07,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:05:07,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:05:07,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:05:07,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:05:07,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (1/1) ... [2023-11-21 21:05:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:05:07,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:05:07,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:05:07,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:05:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:05:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:05:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:05:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:05:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 21:05:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 21:05:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 21:05:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 21:05:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 21:05:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 21:05:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:05:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 21:05:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 21:05:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:05:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:05:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:05:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:05:07,130 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 21:05:07,345 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:05:07,348 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:05:08,170 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:05:08,578 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:05:08,579 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:05:08,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:08 BoogieIcfgContainer [2023-11-21 21:05:08,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:05:08,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:05:08,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:05:08,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:05:08,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:05:06" (1/3) ... [2023-11-21 21:05:08,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae6c7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:08, skipping insertion in model container [2023-11-21 21:05:08,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:06" (2/3) ... [2023-11-21 21:05:08,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae6c7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:08, skipping insertion in model container [2023-11-21 21:05:08,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:08" (3/3) ... [2023-11-21 21:05:08,597 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2023-11-21 21:05:08,608 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:05:08,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:05:08,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-21 21:05:08,621 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 21:05:08,748 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 21:05:08,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 362 transitions, 745 flow [2023-11-21 21:05:08,971 INFO L124 PetriNetUnfolderBase]: 8/359 cut-off events. [2023-11-21 21:05:08,972 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 21:05:08,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 359 events. 8/359 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 477 event pairs, 0 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 288. Up to 2 conditions per place. [2023-11-21 21:05:08,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 364 places, 362 transitions, 745 flow [2023-11-21 21:05:08,996 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 339 places, 336 transitions, 690 flow [2023-11-21 21:05:09,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:05:09,031 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;@79f08b12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:05:09,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2023-11-21 21:05:09,047 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 21:05:09,047 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2023-11-21 21:05:09,048 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:05:09,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:09,049 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] [2023-11-21 21:05:09,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:09,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1519020930, now seen corresponding path program 1 times [2023-11-21 21:05:09,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362265464] [2023-11-21 21:05:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:09,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:09,321 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 21:05:09,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:09,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362265464] [2023-11-21 21:05:09,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362265464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:09,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:09,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:09,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342594276] [2023-11-21 21:05:09,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:09,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:09,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:09,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:09,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:09,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:09,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 336 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:09,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:09,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:09,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:10,553 INFO L124 PetriNetUnfolderBase]: 1068/2461 cut-off events. [2023-11-21 21:05:10,554 INFO L125 PetriNetUnfolderBase]: For 280/280 co-relation queries the response was YES. [2023-11-21 21:05:10,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4517 conditions, 2461 events. 1068/2461 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15353 event pairs, 1066 based on Foata normal form. 5/2402 useless extension candidates. Maximal degree in co-relation 4173. Up to 1735 conditions per place. [2023-11-21 21:05:10,590 INFO L140 encePairwiseOnDemand]: 303/362 looper letters, 32 selfloop transitions, 2 changer transitions 4/279 dead transitions. [2023-11-21 21:05:10,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 279 transitions, 644 flow [2023-11-21 21:05:10,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 895 transitions. [2023-11-21 21:05:10,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8241252302025782 [2023-11-21 21:05:10,617 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 895 transitions. [2023-11-21 21:05:10,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 895 transitions. [2023-11-21 21:05:10,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:10,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 895 transitions. [2023-11-21 21:05:10,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states 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 21:05:10,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:10,677 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:10,679 INFO L175 Difference]: Start difference. First operand has 339 places, 336 transitions, 690 flow. Second operand 3 states and 895 transitions. [2023-11-21 21:05:10,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 279 transitions, 644 flow [2023-11-21 21:05:10,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 279 transitions, 632 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-21 21:05:10,701 INFO L231 Difference]: Finished difference. Result has 283 places, 275 transitions, 560 flow [2023-11-21 21:05:10,704 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=283, PETRI_TRANSITIONS=275} [2023-11-21 21:05:10,709 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -56 predicate places. [2023-11-21 21:05:10,710 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 275 transitions, 560 flow [2023-11-21 21:05:10,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:10,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:10,712 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:05:10,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:05:10,713 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:10,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:10,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1641946373, now seen corresponding path program 1 times [2023-11-21 21:05:10,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:10,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394616732] [2023-11-21 21:05:10,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:10,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:10,830 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 21:05:10,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:10,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394616732] [2023-11-21 21:05:10,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394616732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:10,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:10,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:10,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946211234] [2023-11-21 21:05:10,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:10,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:10,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:10,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:10,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 275 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:10,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:10,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:10,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:11,775 INFO L124 PetriNetUnfolderBase]: 1068/2456 cut-off events. [2023-11-21 21:05:11,775 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:11,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4330 conditions, 2456 events. 1068/2456 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15413 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4293. Up to 1735 conditions per place. [2023-11-21 21:05:11,801 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 32 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2023-11-21 21:05:11,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 274 transitions, 626 flow [2023-11-21 21:05:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-21 21:05:11,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7725598526703499 [2023-11-21 21:05:11,805 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-21 21:05:11,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-21 21:05:11,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:11,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-21 21:05:11,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 21:05:11,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:11,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:11,815 INFO L175 Difference]: Start difference. First operand has 283 places, 275 transitions, 560 flow. Second operand 3 states and 839 transitions. [2023-11-21 21:05:11,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 274 transitions, 626 flow [2023-11-21 21:05:11,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 274 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:11,823 INFO L231 Difference]: Finished difference. Result has 278 places, 274 transitions, 558 flow [2023-11-21 21:05:11,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=278, PETRI_TRANSITIONS=274} [2023-11-21 21:05:11,825 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -61 predicate places. [2023-11-21 21:05:11,826 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 274 transitions, 558 flow [2023-11-21 21:05:11,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:11,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:11,827 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] [2023-11-21 21:05:11,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:05:11,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:11,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2146732578, now seen corresponding path program 1 times [2023-11-21 21:05:11,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:11,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795477472] [2023-11-21 21:05:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:11,915 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 21:05:11,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:11,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795477472] [2023-11-21 21:05:11,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795477472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:11,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:11,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:11,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846356213] [2023-11-21 21:05:11,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:11,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:11,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:11,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:11,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:11,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 362 [2023-11-21 21:05:11,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 274 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states 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 21:05:11,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:11,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 362 [2023-11-21 21:05:11,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:12,676 INFO L124 PetriNetUnfolderBase]: 1068/2455 cut-off events. [2023-11-21 21:05:12,677 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:12,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4333 conditions, 2455 events. 1068/2455 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15481 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4288. Up to 1739 conditions per place. [2023-11-21 21:05:12,704 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 36 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2023-11-21 21:05:12,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 273 transitions, 632 flow [2023-11-21 21:05:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2023-11-21 21:05:12,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7651933701657458 [2023-11-21 21:05:12,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2023-11-21 21:05:12,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2023-11-21 21:05:12,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:12,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2023-11-21 21:05:12,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states 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 21:05:12,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:12,726 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:12,726 INFO L175 Difference]: Start difference. First operand has 278 places, 274 transitions, 558 flow. Second operand 3 states and 831 transitions. [2023-11-21 21:05:12,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 273 transitions, 632 flow [2023-11-21 21:05:12,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 273 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:12,736 INFO L231 Difference]: Finished difference. Result has 277 places, 273 transitions, 556 flow [2023-11-21 21:05:12,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=277, PETRI_TRANSITIONS=273} [2023-11-21 21:05:12,738 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -62 predicate places. [2023-11-21 21:05:12,739 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 273 transitions, 556 flow [2023-11-21 21:05:12,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states 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 21:05:12,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:12,741 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] [2023-11-21 21:05:12,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:05:12,741 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:12,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:12,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1533572328, now seen corresponding path program 1 times [2023-11-21 21:05:12,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:12,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316727853] [2023-11-21 21:05:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:12,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:12,860 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 21:05:12,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:12,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316727853] [2023-11-21 21:05:12,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316727853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:12,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:12,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:12,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462996886] [2023-11-21 21:05:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:12,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:12,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:12,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:12,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:12,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 362 [2023-11-21 21:05:12,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 273 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states 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 21:05:12,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:12,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 362 [2023-11-21 21:05:12,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:13,626 INFO L124 PetriNetUnfolderBase]: 1068/2454 cut-off events. [2023-11-21 21:05:13,626 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:13,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4330 conditions, 2454 events. 1068/2454 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15460 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4277. Up to 1737 conditions per place. [2023-11-21 21:05:13,652 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 34 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2023-11-21 21:05:13,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 272 transitions, 626 flow [2023-11-21 21:05:13,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 835 transitions. [2023-11-21 21:05:13,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7688766114180479 [2023-11-21 21:05:13,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 835 transitions. [2023-11-21 21:05:13,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 835 transitions. [2023-11-21 21:05:13,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:13,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 835 transitions. [2023-11-21 21:05:13,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 0 states have call successors, (0), 0 states 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 21:05:13,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:13,666 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:13,666 INFO L175 Difference]: Start difference. First operand has 277 places, 273 transitions, 556 flow. Second operand 3 states and 835 transitions. [2023-11-21 21:05:13,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 272 transitions, 626 flow [2023-11-21 21:05:13,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 272 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:13,673 INFO L231 Difference]: Finished difference. Result has 276 places, 272 transitions, 554 flow [2023-11-21 21:05:13,674 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=554, PETRI_PLACES=276, PETRI_TRANSITIONS=272} [2023-11-21 21:05:13,676 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -63 predicate places. [2023-11-21 21:05:13,676 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 272 transitions, 554 flow [2023-11-21 21:05:13,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states 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 21:05:13,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:13,677 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, 1, 1, 1, 1, 1, 1, 1, 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 21:05:13,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:05:13,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:13,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:13,678 INFO L85 PathProgramCache]: Analyzing trace with hash -59103706, now seen corresponding path program 1 times [2023-11-21 21:05:13,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:13,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386130840] [2023-11-21 21:05:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:13,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:13,795 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 21:05:13,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:13,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386130840] [2023-11-21 21:05:13,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386130840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:13,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:13,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:13,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414953409] [2023-11-21 21:05:13,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:13,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:13,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:13,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:13,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 272 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:13,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:13,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:13,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:14,392 INFO L124 PetriNetUnfolderBase]: 1068/2453 cut-off events. [2023-11-21 21:05:14,392 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:14,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4327 conditions, 2453 events. 1068/2453 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15440 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4266. Up to 1735 conditions per place. [2023-11-21 21:05:14,413 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 32 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2023-11-21 21:05:14,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 271 transitions, 620 flow [2023-11-21 21:05:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-21 21:05:14,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7725598526703499 [2023-11-21 21:05:14,417 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-21 21:05:14,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-21 21:05:14,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:14,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-21 21:05:14,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 21:05:14,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:14,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:14,426 INFO L175 Difference]: Start difference. First operand has 276 places, 272 transitions, 554 flow. Second operand 3 states and 839 transitions. [2023-11-21 21:05:14,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 271 transitions, 620 flow [2023-11-21 21:05:14,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 271 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:14,432 INFO L231 Difference]: Finished difference. Result has 275 places, 271 transitions, 552 flow [2023-11-21 21:05:14,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=275, PETRI_TRANSITIONS=271} [2023-11-21 21:05:14,434 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -64 predicate places. [2023-11-21 21:05:14,434 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 271 transitions, 552 flow [2023-11-21 21:05:14,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:14,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:14,435 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] [2023-11-21 21:05:14,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:05:14,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:14,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:14,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1324023745, now seen corresponding path program 1 times [2023-11-21 21:05:14,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:14,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514769786] [2023-11-21 21:05:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:14,486 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 21:05:14,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:14,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514769786] [2023-11-21 21:05:14,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514769786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:14,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:14,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285479856] [2023-11-21 21:05:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:14,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:14,497 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:14,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 271 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:14,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:14,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:14,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:15,157 INFO L124 PetriNetUnfolderBase]: 1068/2452 cut-off events. [2023-11-21 21:05:15,157 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:15,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4326 conditions, 2452 events. 1068/2452 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15399 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4257. Up to 1735 conditions per place. [2023-11-21 21:05:15,178 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 32 selfloop transitions, 2 changer transitions 0/270 dead transitions. [2023-11-21 21:05:15,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 270 transitions, 618 flow [2023-11-21 21:05:15,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-21 21:05:15,182 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7725598526703499 [2023-11-21 21:05:15,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-21 21:05:15,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-21 21:05:15,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:15,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-21 21:05:15,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 21:05:15,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:15,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:15,191 INFO L175 Difference]: Start difference. First operand has 275 places, 271 transitions, 552 flow. Second operand 3 states and 839 transitions. [2023-11-21 21:05:15,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 270 transitions, 618 flow [2023-11-21 21:05:15,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 270 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:15,199 INFO L231 Difference]: Finished difference. Result has 274 places, 270 transitions, 550 flow [2023-11-21 21:05:15,200 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=274, PETRI_TRANSITIONS=270} [2023-11-21 21:05:15,201 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -65 predicate places. [2023-11-21 21:05:15,201 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 270 transitions, 550 flow [2023-11-21 21:05:15,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:15,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:15,202 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:05:15,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:05:15,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:15,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:15,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1430472417, now seen corresponding path program 1 times [2023-11-21 21:05:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:15,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135484888] [2023-11-21 21:05:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:15,288 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 21:05:15,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:15,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135484888] [2023-11-21 21:05:15,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135484888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:15,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:15,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:15,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537387806] [2023-11-21 21:05:15,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:15,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:15,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:15,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:15,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:15,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 362 [2023-11-21 21:05:15,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 270 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states 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 21:05:15,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:15,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 362 [2023-11-21 21:05:15,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:16,052 INFO L124 PetriNetUnfolderBase]: 1068/2451 cut-off events. [2023-11-21 21:05:16,052 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:16,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4327 conditions, 2451 events. 1068/2451 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15424 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4250. Up to 1737 conditions per place. [2023-11-21 21:05:16,072 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 34 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2023-11-21 21:05:16,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 269 transitions, 620 flow [2023-11-21 21:05:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 835 transitions. [2023-11-21 21:05:16,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7688766114180479 [2023-11-21 21:05:16,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 835 transitions. [2023-11-21 21:05:16,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 835 transitions. [2023-11-21 21:05:16,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:16,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 835 transitions. [2023-11-21 21:05:16,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 0 states have call successors, (0), 0 states 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 21:05:16,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:16,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:16,084 INFO L175 Difference]: Start difference. First operand has 274 places, 270 transitions, 550 flow. Second operand 3 states and 835 transitions. [2023-11-21 21:05:16,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 269 transitions, 620 flow [2023-11-21 21:05:16,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 269 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:16,096 INFO L231 Difference]: Finished difference. Result has 273 places, 269 transitions, 548 flow [2023-11-21 21:05:16,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=273, PETRI_TRANSITIONS=269} [2023-11-21 21:05:16,097 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -66 predicate places. [2023-11-21 21:05:16,098 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 269 transitions, 548 flow [2023-11-21 21:05:16,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states 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 21:05:16,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:16,099 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] [2023-11-21 21:05:16,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:05:16,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:16,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:16,100 INFO L85 PathProgramCache]: Analyzing trace with hash 535853005, now seen corresponding path program 1 times [2023-11-21 21:05:16,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:16,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926299801] [2023-11-21 21:05:16,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:16,163 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 21:05:16,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:16,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926299801] [2023-11-21 21:05:16,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926299801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:16,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:16,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:16,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310920961] [2023-11-21 21:05:16,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:16,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:16,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:16,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:16,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:16,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:16,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 269 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states 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 21:05:16,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:16,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:16,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:16,827 INFO L124 PetriNetUnfolderBase]: 1068/2449 cut-off events. [2023-11-21 21:05:16,827 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-11-21 21:05:16,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 2449 events. 1068/2449 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15487 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4238. Up to 1735 conditions per place. [2023-11-21 21:05:16,845 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 33 selfloop transitions, 1 changer transitions 0/267 dead transitions. [2023-11-21 21:05:16,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 267 transitions, 612 flow [2023-11-21 21:05:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 840 transitions. [2023-11-21 21:05:16,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7734806629834254 [2023-11-21 21:05:16,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 840 transitions. [2023-11-21 21:05:16,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 840 transitions. [2023-11-21 21:05:16,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:16,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 840 transitions. [2023-11-21 21:05:16,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 states 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 21:05:16,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:16,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:16,861 INFO L175 Difference]: Start difference. First operand has 273 places, 269 transitions, 548 flow. Second operand 3 states and 840 transitions. [2023-11-21 21:05:16,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 267 transitions, 612 flow [2023-11-21 21:05:16,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 267 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:16,868 INFO L231 Difference]: Finished difference. Result has 271 places, 267 transitions, 542 flow [2023-11-21 21:05:16,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=271, PETRI_TRANSITIONS=267} [2023-11-21 21:05:16,869 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -68 predicate places. [2023-11-21 21:05:16,870 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 267 transitions, 542 flow [2023-11-21 21:05:16,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states 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 21:05:16,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:16,871 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] [2023-11-21 21:05:16,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:05:16,871 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:16,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:16,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1293139780, now seen corresponding path program 1 times [2023-11-21 21:05:16,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:16,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92908732] [2023-11-21 21:05:16,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:16,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:17,559 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 21:05:17,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:17,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92908732] [2023-11-21 21:05:17,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92908732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:17,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:17,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:05:17,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162915839] [2023-11-21 21:05:17,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:17,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:05:17,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:17,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:05:17,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:05:17,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 362 [2023-11-21 21:05:17,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 267 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 250.5) internal successors, (1503), 6 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states 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 21:05:17,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:17,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 362 [2023-11-21 21:05:17,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:20,472 INFO L124 PetriNetUnfolderBase]: 6344/11184 cut-off events. [2023-11-21 21:05:20,472 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:20,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20469 conditions, 11184 events. 6344/11184 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 80231 event pairs, 6342 based on Foata normal form. 0/10621 useless extension candidates. Maximal degree in co-relation 20385. Up to 9144 conditions per place. [2023-11-21 21:05:20,541 INFO L140 encePairwiseOnDemand]: 356/362 looper letters, 49 selfloop transitions, 5 changer transitions 0/266 dead transitions. [2023-11-21 21:05:20,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 266 transitions, 648 flow [2023-11-21 21:05:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:05:20,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:05:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1549 transitions. [2023-11-21 21:05:20,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7131675874769797 [2023-11-21 21:05:20,547 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1549 transitions. [2023-11-21 21:05:20,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1549 transitions. [2023-11-21 21:05:20,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:20,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1549 transitions. [2023-11-21 21:05:20,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states 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 21:05:20,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:20,561 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:20,561 INFO L175 Difference]: Start difference. First operand has 271 places, 267 transitions, 542 flow. Second operand 6 states and 1549 transitions. [2023-11-21 21:05:20,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 266 transitions, 648 flow [2023-11-21 21:05:20,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 266 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:05:20,568 INFO L231 Difference]: Finished difference. Result has 274 places, 266 transitions, 549 flow [2023-11-21 21:05:20,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=274, PETRI_TRANSITIONS=266} [2023-11-21 21:05:20,569 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -65 predicate places. [2023-11-21 21:05:20,570 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 266 transitions, 549 flow [2023-11-21 21:05:20,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 250.5) internal successors, (1503), 6 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states 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 21:05:20,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:20,571 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] [2023-11-21 21:05:20,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:05:20,572 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:20,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1235959838, now seen corresponding path program 1 times [2023-11-21 21:05:20,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:20,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425218572] [2023-11-21 21:05:20,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:20,625 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 21:05:20,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:20,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425218572] [2023-11-21 21:05:20,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425218572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:20,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:20,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:20,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376551967] [2023-11-21 21:05:20,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:20,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:20,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:20,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:20,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:20,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:20,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 266 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:20,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:20,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:20,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:21,312 INFO L124 PetriNetUnfolderBase]: 1068/2447 cut-off events. [2023-11-21 21:05:21,313 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-21 21:05:21,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4325 conditions, 2447 events. 1068/2447 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15442 event pairs, 1066 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 4307. Up to 1735 conditions per place. [2023-11-21 21:05:21,333 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 32 selfloop transitions, 2 changer transitions 0/265 dead transitions. [2023-11-21 21:05:21,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 265 transitions, 615 flow [2023-11-21 21:05:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-21 21:05:21,338 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7725598526703499 [2023-11-21 21:05:21,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-21 21:05:21,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-21 21:05:21,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:21,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-21 21:05:21,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 21:05:21,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:21,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:21,348 INFO L175 Difference]: Start difference. First operand has 274 places, 266 transitions, 549 flow. Second operand 3 states and 839 transitions. [2023-11-21 21:05:21,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 265 transitions, 615 flow [2023-11-21 21:05:21,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 265 transitions, 605 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 21:05:21,356 INFO L231 Difference]: Finished difference. Result has 270 places, 265 transitions, 541 flow [2023-11-21 21:05:21,358 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=541, PETRI_PLACES=270, PETRI_TRANSITIONS=265} [2023-11-21 21:05:21,359 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -69 predicate places. [2023-11-21 21:05:21,360 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 265 transitions, 541 flow [2023-11-21 21:05:21,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:21,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:21,361 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] [2023-11-21 21:05:21,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:05:21,361 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:21,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash 102181214, now seen corresponding path program 1 times [2023-11-21 21:05:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:21,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960111063] [2023-11-21 21:05:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:21,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:05:21,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960111063] [2023-11-21 21:05:21,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960111063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:21,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:21,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351951343] [2023-11-21 21:05:21,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:21,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:21,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:21,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:21,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 362 [2023-11-21 21:05:21,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 265 transitions, 541 flow. Second operand has 3 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 0 states have call successors, (0), 0 states 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 21:05:21,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:21,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 362 [2023-11-21 21:05:21,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:22,176 INFO L124 PetriNetUnfolderBase]: 1119/2520 cut-off events. [2023-11-21 21:05:22,177 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2023-11-21 21:05:22,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4490 conditions, 2520 events. 1119/2520 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 16003 event pairs, 906 based on Foata normal form. 0/2471 useless extension candidates. Maximal degree in co-relation 4405. Up to 1537 conditions per place. [2023-11-21 21:05:22,195 INFO L140 encePairwiseOnDemand]: 351/362 looper letters, 57 selfloop transitions, 7 changer transitions 0/287 dead transitions. [2023-11-21 21:05:22,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 287 transitions, 716 flow [2023-11-21 21:05:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions. [2023-11-21 21:05:22,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7863720073664825 [2023-11-21 21:05:22,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 854 transitions. [2023-11-21 21:05:22,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 854 transitions. [2023-11-21 21:05:22,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:22,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 854 transitions. [2023-11-21 21:05:22,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states 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 21:05:22,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:22,206 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:22,207 INFO L175 Difference]: Start difference. First operand has 270 places, 265 transitions, 541 flow. Second operand 3 states and 854 transitions. [2023-11-21 21:05:22,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 287 transitions, 716 flow [2023-11-21 21:05:22,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 287 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:22,214 INFO L231 Difference]: Finished difference. Result has 268 places, 267 transitions, 581 flow [2023-11-21 21:05:22,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=268, PETRI_TRANSITIONS=267} [2023-11-21 21:05:22,216 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -71 predicate places. [2023-11-21 21:05:22,216 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 267 transitions, 581 flow [2023-11-21 21:05:22,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 0 states have call successors, (0), 0 states 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 21:05:22,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:22,217 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 21:05:22,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 21:05:22,217 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:22,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:22,218 INFO L85 PathProgramCache]: Analyzing trace with hash -588066358, now seen corresponding path program 1 times [2023-11-21 21:05:22,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:22,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880107497] [2023-11-21 21:05:22,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:22,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:22,266 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 21:05:22,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:22,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880107497] [2023-11-21 21:05:22,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880107497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:22,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:22,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:22,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554320166] [2023-11-21 21:05:22,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:22,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:22,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:22,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:22,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:22,279 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:22,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 267 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states 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 21:05:22,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:22,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:22,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:22,746 INFO L124 PetriNetUnfolderBase]: 1119/2530 cut-off events. [2023-11-21 21:05:22,746 INFO L125 PetriNetUnfolderBase]: For 538/539 co-relation queries the response was YES. [2023-11-21 21:05:22,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5125 conditions, 2530 events. 1119/2530 cut-off events. For 538/539 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 15901 event pairs, 580 based on Foata normal form. 2/2492 useless extension candidates. Maximal degree in co-relation 5039. Up to 1030 conditions per place. [2023-11-21 21:05:22,768 INFO L140 encePairwiseOnDemand]: 355/362 looper letters, 61 selfloop transitions, 4 changer transitions 5/293 dead transitions. [2023-11-21 21:05:22,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 293 transitions, 805 flow [2023-11-21 21:05:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2023-11-21 21:05:22,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7928176795580111 [2023-11-21 21:05:22,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 861 transitions. [2023-11-21 21:05:22,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 861 transitions. [2023-11-21 21:05:22,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:22,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 861 transitions. [2023-11-21 21:05:22,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.0) internal successors, (861), 3 states have internal predecessors, (861), 0 states have call successors, (0), 0 states 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 21:05:22,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:22,923 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:22,923 INFO L175 Difference]: Start difference. First operand has 268 places, 267 transitions, 581 flow. Second operand 3 states and 861 transitions. [2023-11-21 21:05:22,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 293 transitions, 805 flow [2023-11-21 21:05:22,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 293 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:22,947 INFO L231 Difference]: Finished difference. Result has 266 places, 260 transitions, 560 flow [2023-11-21 21:05:22,948 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=266, PETRI_TRANSITIONS=260} [2023-11-21 21:05:22,949 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -73 predicate places. [2023-11-21 21:05:22,950 INFO L495 AbstractCegarLoop]: Abstraction has has 266 places, 260 transitions, 560 flow [2023-11-21 21:05:22,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states 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 21:05:22,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:22,951 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] [2023-11-21 21:05:22,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 21:05:22,951 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:22,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:22,952 INFO L85 PathProgramCache]: Analyzing trace with hash 893353907, now seen corresponding path program 1 times [2023-11-21 21:05:22,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:22,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084781753] [2023-11-21 21:05:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:22,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:23,015 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 21:05:23,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:23,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084781753] [2023-11-21 21:05:23,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084781753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:23,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:23,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:23,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989822007] [2023-11-21 21:05:23,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:23,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:23,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:23,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:23,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:23,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:23,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 260 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:23,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:23,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:23,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:23,529 INFO L124 PetriNetUnfolderBase]: 1119/2570 cut-off events. [2023-11-21 21:05:23,529 INFO L125 PetriNetUnfolderBase]: For 562/562 co-relation queries the response was YES. [2023-11-21 21:05:23,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5345 conditions, 2570 events. 1119/2570 cut-off events. For 562/562 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 16545 event pairs, 1068 based on Foata normal form. 0/2522 useless extension candidates. Maximal degree in co-relation 5259. Up to 1819 conditions per place. [2023-11-21 21:05:23,554 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 37 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2023-11-21 21:05:23,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 259 transitions, 636 flow [2023-11-21 21:05:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2023-11-21 21:05:23,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7716390423572744 [2023-11-21 21:05:23,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 838 transitions. [2023-11-21 21:05:23,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 838 transitions. [2023-11-21 21:05:23,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:23,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 838 transitions. [2023-11-21 21:05:23,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 21:05:23,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:23,565 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:23,566 INFO L175 Difference]: Start difference. First operand has 266 places, 260 transitions, 560 flow. Second operand 3 states and 838 transitions. [2023-11-21 21:05:23,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 259 transitions, 636 flow [2023-11-21 21:05:23,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 259 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:23,580 INFO L231 Difference]: Finished difference. Result has 260 places, 259 transitions, 554 flow [2023-11-21 21:05:23,581 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=554, PETRI_PLACES=260, PETRI_TRANSITIONS=259} [2023-11-21 21:05:23,582 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -79 predicate places. [2023-11-21 21:05:23,583 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 259 transitions, 554 flow [2023-11-21 21:05:23,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:23,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:23,584 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 21:05:23,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 21:05:23,584 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:23,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:23,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1898864718, now seen corresponding path program 1 times [2023-11-21 21:05:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:23,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876589626] [2023-11-21 21:05:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:23,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:23,648 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 21:05:23,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876589626] [2023-11-21 21:05:23,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876589626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:23,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:23,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:23,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845586474] [2023-11-21 21:05:23,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:23,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:23,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:23,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:23,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:23,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 259 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:23,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:23,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:23,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:24,170 INFO L124 PetriNetUnfolderBase]: 1119/2569 cut-off events. [2023-11-21 21:05:24,170 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-11-21 21:05:24,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4925 conditions, 2569 events. 1119/2569 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 16464 event pairs, 1068 based on Foata normal form. 0/2522 useless extension candidates. Maximal degree in co-relation 4839. Up to 1819 conditions per place. [2023-11-21 21:05:24,192 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 37 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2023-11-21 21:05:24,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 258 transitions, 630 flow [2023-11-21 21:05:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2023-11-21 21:05:24,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7716390423572744 [2023-11-21 21:05:24,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 838 transitions. [2023-11-21 21:05:24,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 838 transitions. [2023-11-21 21:05:24,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:24,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 838 transitions. [2023-11-21 21:05:24,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 21:05:24,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:24,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:24,203 INFO L175 Difference]: Start difference. First operand has 260 places, 259 transitions, 554 flow. Second operand 3 states and 838 transitions. [2023-11-21 21:05:24,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 258 transitions, 630 flow [2023-11-21 21:05:24,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 258 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:24,210 INFO L231 Difference]: Finished difference. Result has 259 places, 258 transitions, 552 flow [2023-11-21 21:05:24,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=259, PETRI_TRANSITIONS=258} [2023-11-21 21:05:24,211 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -80 predicate places. [2023-11-21 21:05:24,212 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 258 transitions, 552 flow [2023-11-21 21:05:24,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:24,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:24,212 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] [2023-11-21 21:05:24,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 21:05:24,213 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:24,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:24,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1255049320, now seen corresponding path program 1 times [2023-11-21 21:05:24,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:24,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296315551] [2023-11-21 21:05:24,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:24,267 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 21:05:24,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:24,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296315551] [2023-11-21 21:05:24,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296315551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:24,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:24,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:24,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675189379] [2023-11-21 21:05:24,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:24,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:24,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:24,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:24,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:24,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:24,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 258 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:24,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:24,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:24,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:24,832 INFO L124 PetriNetUnfolderBase]: 1119/2568 cut-off events. [2023-11-21 21:05:24,832 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-11-21 21:05:24,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4924 conditions, 2568 events. 1119/2568 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 16508 event pairs, 1068 based on Foata normal form. 0/2522 useless extension candidates. Maximal degree in co-relation 4838. Up to 1819 conditions per place. [2023-11-21 21:05:24,856 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 37 selfloop transitions, 2 changer transitions 0/257 dead transitions. [2023-11-21 21:05:24,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 257 transitions, 628 flow [2023-11-21 21:05:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:24,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2023-11-21 21:05:24,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7716390423572744 [2023-11-21 21:05:24,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 838 transitions. [2023-11-21 21:05:24,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 838 transitions. [2023-11-21 21:05:24,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:24,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 838 transitions. [2023-11-21 21:05:24,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 21:05:24,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:24,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:24,867 INFO L175 Difference]: Start difference. First operand has 259 places, 258 transitions, 552 flow. Second operand 3 states and 838 transitions. [2023-11-21 21:05:24,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 257 transitions, 628 flow [2023-11-21 21:05:24,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 257 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:24,874 INFO L231 Difference]: Finished difference. Result has 258 places, 257 transitions, 550 flow [2023-11-21 21:05:24,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=258, PETRI_TRANSITIONS=257} [2023-11-21 21:05:24,877 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -81 predicate places. [2023-11-21 21:05:24,878 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 257 transitions, 550 flow [2023-11-21 21:05:24,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:24,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:24,878 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] [2023-11-21 21:05:24,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 21:05:24,879 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:24,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:24,879 INFO L85 PathProgramCache]: Analyzing trace with hash 950597897, now seen corresponding path program 1 times [2023-11-21 21:05:24,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:24,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517805629] [2023-11-21 21:05:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:24,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:24,951 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 21:05:24,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:24,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517805629] [2023-11-21 21:05:24,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517805629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:24,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:24,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:05:24,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281930595] [2023-11-21 21:05:24,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:24,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:05:24,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:05:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:05:24,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2023-11-21 21:05:24,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 257 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:24,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:24,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2023-11-21 21:05:24,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:25,493 INFO L124 PetriNetUnfolderBase]: 1119/2567 cut-off events. [2023-11-21 21:05:25,493 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-11-21 21:05:25,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4923 conditions, 2567 events. 1119/2567 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 16516 event pairs, 1068 based on Foata normal form. 0/2522 useless extension candidates. Maximal degree in co-relation 4837. Up to 1819 conditions per place. [2023-11-21 21:05:25,519 INFO L140 encePairwiseOnDemand]: 359/362 looper letters, 37 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2023-11-21 21:05:25,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 256 transitions, 626 flow [2023-11-21 21:05:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:05:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:05:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2023-11-21 21:05:25,523 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7716390423572744 [2023-11-21 21:05:25,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 838 transitions. [2023-11-21 21:05:25,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 838 transitions. [2023-11-21 21:05:25,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:25,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 838 transitions. [2023-11-21 21:05:25,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 21:05:25,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:25,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states 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 21:05:25,533 INFO L175 Difference]: Start difference. First operand has 258 places, 257 transitions, 550 flow. Second operand 3 states and 838 transitions. [2023-11-21 21:05:25,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 256 transitions, 626 flow [2023-11-21 21:05:25,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 256 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:25,541 INFO L231 Difference]: Finished difference. Result has 257 places, 256 transitions, 548 flow [2023-11-21 21:05:25,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=257, PETRI_TRANSITIONS=256} [2023-11-21 21:05:25,544 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -82 predicate places. [2023-11-21 21:05:25,544 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 256 transitions, 548 flow [2023-11-21 21:05:25,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 21:05:25,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:25,545 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] [2023-11-21 21:05:25,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 21:05:25,546 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:25,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1787566277, now seen corresponding path program 1 times [2023-11-21 21:05:25,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:25,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458932631] [2023-11-21 21:05:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:25,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:26,550 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 21:05:26,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:26,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458932631] [2023-11-21 21:05:26,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458932631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:26,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:26,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:05:26,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478895941] [2023-11-21 21:05:26,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:26,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:05:26,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:26,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:05:26,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:05:26,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 362 [2023-11-21 21:05:26,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 256 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 262.6666666666667) internal successors, (1576), 6 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states 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 21:05:26,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:26,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 362 [2023-11-21 21:05:26,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:29,378 INFO L124 PetriNetUnfolderBase]: 7624/11850 cut-off events. [2023-11-21 21:05:29,378 INFO L125 PetriNetUnfolderBase]: For 1688/1688 co-relation queries the response was YES. [2023-11-21 21:05:29,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24732 conditions, 11850 events. 7624/11850 cut-off events. For 1688/1688 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 70392 event pairs, 989 based on Foata normal form. 0/11777 useless extension candidates. Maximal degree in co-relation 24645. Up to 3753 conditions per place. [2023-11-21 21:05:29,470 INFO L140 encePairwiseOnDemand]: 357/362 looper letters, 157 selfloop transitions, 4 changer transitions 0/371 dead transitions. [2023-11-21 21:05:29,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 371 transitions, 1196 flow [2023-11-21 21:05:29,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:05:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:05:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1698 transitions. [2023-11-21 21:05:29,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7817679558011049 [2023-11-21 21:05:29,479 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1698 transitions. [2023-11-21 21:05:29,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1698 transitions. [2023-11-21 21:05:29,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:29,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1698 transitions. [2023-11-21 21:05:29,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states 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 21:05:29,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:29,494 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:29,495 INFO L175 Difference]: Start difference. First operand has 257 places, 256 transitions, 548 flow. Second operand 6 states and 1698 transitions. [2023-11-21 21:05:29,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 371 transitions, 1196 flow [2023-11-21 21:05:29,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 371 transitions, 1192 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:05:29,507 INFO L231 Difference]: Finished difference. Result has 259 places, 255 transitions, 550 flow [2023-11-21 21:05:29,508 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=550, PETRI_PLACES=259, PETRI_TRANSITIONS=255} [2023-11-21 21:05:29,508 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -80 predicate places. [2023-11-21 21:05:29,509 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 255 transitions, 550 flow [2023-11-21 21:05:29,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.6666666666667) internal successors, (1576), 6 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states 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 21:05:29,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:29,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:05:29,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 21:05:29,530 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:29,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:29,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1857725522, now seen corresponding path program 1 times [2023-11-21 21:05:29,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:29,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312417568] [2023-11-21 21:05:29,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:29,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:30,763 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 21:05:30,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:30,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312417568] [2023-11-21 21:05:30,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312417568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:30,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:30,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:05:30,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563901716] [2023-11-21 21:05:30,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:30,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:05:30,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:30,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:05:30,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:05:30,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 362 [2023-11-21 21:05:30,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 255 transitions, 550 flow. Second operand has 6 states, 6 states have (on average 264.5) internal successors, (1587), 6 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states 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 21:05:30,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:30,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 362 [2023-11-21 21:05:30,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:31,866 INFO L124 PetriNetUnfolderBase]: 1519/3122 cut-off events. [2023-11-21 21:05:31,866 INFO L125 PetriNetUnfolderBase]: For 326/326 co-relation queries the response was YES. [2023-11-21 21:05:31,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6201 conditions, 3122 events. 1519/3122 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 18751 event pairs, 1065 based on Foata normal form. 0/3077 useless extension candidates. Maximal degree in co-relation 6114. Up to 1815 conditions per place. [2023-11-21 21:05:31,892 INFO L140 encePairwiseOnDemand]: 357/362 looper letters, 97 selfloop transitions, 4 changer transitions 0/310 dead transitions. [2023-11-21 21:05:31,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 310 transitions, 894 flow [2023-11-21 21:05:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:05:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:05:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1658 transitions. [2023-11-21 21:05:31,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7633517495395948 [2023-11-21 21:05:31,900 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1658 transitions. [2023-11-21 21:05:31,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1658 transitions. [2023-11-21 21:05:31,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:31,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1658 transitions. [2023-11-21 21:05:31,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.3333333333333) internal successors, (1658), 6 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states 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 21:05:31,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:31,915 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:31,915 INFO L175 Difference]: Start difference. First operand has 259 places, 255 transitions, 550 flow. Second operand 6 states and 1658 transitions. [2023-11-21 21:05:31,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 310 transitions, 894 flow [2023-11-21 21:05:31,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 310 transitions, 887 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:05:31,925 INFO L231 Difference]: Finished difference. Result has 259 places, 254 transitions, 549 flow [2023-11-21 21:05:31,926 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=259, PETRI_TRANSITIONS=254} [2023-11-21 21:05:31,927 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -80 predicate places. [2023-11-21 21:05:31,927 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 254 transitions, 549 flow [2023-11-21 21:05:31,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.5) internal successors, (1587), 6 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states 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 21:05:31,928 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:05:31,928 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:31,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 21:05:31,929 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2023-11-21 21:05:31,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1483380040, now seen corresponding path program 1 times [2023-11-21 21:05:31,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:31,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8223638] [2023-11-21 21:05:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:33,095 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 21:05:33,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:05:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8223638] [2023-11-21 21:05:33,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8223638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:33,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:33,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:05:33,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685207031] [2023-11-21 21:05:33,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:33,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:05:33,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:05:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:05:33,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:05:33,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 362 [2023-11-21 21:05:33,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 254 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 266.3333333333333) internal successors, (1598), 6 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states 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 21:05:33,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:05:33,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 362 [2023-11-21 21:05:33,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:05:33,938 INFO L124 PetriNetUnfolderBase]: 1134/2563 cut-off events. [2023-11-21 21:05:33,938 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-11-21 21:05:33,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5010 conditions, 2563 events. 1134/2563 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 16358 event pairs, 1068 based on Foata normal form. 0/2537 useless extension candidates. Maximal degree in co-relation 4923. Up to 1822 conditions per place. [2023-11-21 21:05:33,949 INFO L140 encePairwiseOnDemand]: 357/362 looper letters, 0 selfloop transitions, 0 changer transitions 265/265 dead transitions. [2023-11-21 21:05:33,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 265 transitions, 685 flow [2023-11-21 21:05:33,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:05:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:05:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1618 transitions. [2023-11-21 21:05:33,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7449355432780848 [2023-11-21 21:05:33,956 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1618 transitions. [2023-11-21 21:05:33,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1618 transitions. [2023-11-21 21:05:33,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:05:33,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1618 transitions. [2023-11-21 21:05:33,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 269.6666666666667) internal successors, (1618), 6 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states 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 21:05:33,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:33,971 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states 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 21:05:33,971 INFO L175 Difference]: Start difference. First operand has 259 places, 254 transitions, 549 flow. Second operand 6 states and 1618 transitions. [2023-11-21 21:05:33,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 265 transitions, 685 flow [2023-11-21 21:05:33,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 265 transitions, 678 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:05:33,977 INFO L231 Difference]: Finished difference. Result has 259 places, 0 transitions, 0 flow [2023-11-21 21:05:33,978 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=259, PETRI_TRANSITIONS=0} [2023-11-21 21:05:33,978 INFO L281 CegarLoopForPetriNet]: 339 programPoint places, -80 predicate places. [2023-11-21 21:05:33,979 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 0 transitions, 0 flow [2023-11-21 21:05:33,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 266.3333333333333) internal successors, (1598), 6 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states 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 21:05:33,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (128 of 129 remaining) [2023-11-21 21:05:33,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (127 of 129 remaining) [2023-11-21 21:05:33,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (126 of 129 remaining) [2023-11-21 21:05:33,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (125 of 129 remaining) [2023-11-21 21:05:33,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (124 of 129 remaining) [2023-11-21 21:05:33,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (123 of 129 remaining) [2023-11-21 21:05:33,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (122 of 129 remaining) [2023-11-21 21:05:33,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (121 of 129 remaining) [2023-11-21 21:05:33,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (120 of 129 remaining) [2023-11-21 21:05:33,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (119 of 129 remaining) [2023-11-21 21:05:33,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (118 of 129 remaining) [2023-11-21 21:05:33,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (117 of 129 remaining) [2023-11-21 21:05:33,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (116 of 129 remaining) [2023-11-21 21:05:33,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (115 of 129 remaining) [2023-11-21 21:05:33,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (114 of 129 remaining) [2023-11-21 21:05:33,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (113 of 129 remaining) [2023-11-21 21:05:33,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (112 of 129 remaining) [2023-11-21 21:05:33,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 129 remaining) [2023-11-21 21:05:33,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (110 of 129 remaining) [2023-11-21 21:05:33,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (109 of 129 remaining) [2023-11-21 21:05:33,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (108 of 129 remaining) [2023-11-21 21:05:33,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (107 of 129 remaining) [2023-11-21 21:05:33,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (106 of 129 remaining) [2023-11-21 21:05:33,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (105 of 129 remaining) [2023-11-21 21:05:33,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (104 of 129 remaining) [2023-11-21 21:05:33,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (103 of 129 remaining) [2023-11-21 21:05:33,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 129 remaining) [2023-11-21 21:05:33,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (101 of 129 remaining) [2023-11-21 21:05:33,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (100 of 129 remaining) [2023-11-21 21:05:33,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (99 of 129 remaining) [2023-11-21 21:05:33,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (98 of 129 remaining) [2023-11-21 21:05:33,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (97 of 129 remaining) [2023-11-21 21:05:33,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (96 of 129 remaining) [2023-11-21 21:05:33,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (95 of 129 remaining) [2023-11-21 21:05:33,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 129 remaining) [2023-11-21 21:05:33,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (93 of 129 remaining) [2023-11-21 21:05:33,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (92 of 129 remaining) [2023-11-21 21:05:33,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (91 of 129 remaining) [2023-11-21 21:05:33,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (90 of 129 remaining) [2023-11-21 21:05:33,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (89 of 129 remaining) [2023-11-21 21:05:33,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (88 of 129 remaining) [2023-11-21 21:05:33,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (87 of 129 remaining) [2023-11-21 21:05:33,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (86 of 129 remaining) [2023-11-21 21:05:33,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (85 of 129 remaining) [2023-11-21 21:05:33,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (84 of 129 remaining) [2023-11-21 21:05:33,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (83 of 129 remaining) [2023-11-21 21:05:33,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (82 of 129 remaining) [2023-11-21 21:05:33,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (81 of 129 remaining) [2023-11-21 21:05:33,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (80 of 129 remaining) [2023-11-21 21:05:33,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 129 remaining) [2023-11-21 21:05:33,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (78 of 129 remaining) [2023-11-21 21:05:33,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (77 of 129 remaining) [2023-11-21 21:05:33,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (76 of 129 remaining) [2023-11-21 21:05:33,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (75 of 129 remaining) [2023-11-21 21:05:33,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (74 of 129 remaining) [2023-11-21 21:05:33,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (73 of 129 remaining) [2023-11-21 21:05:33,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (72 of 129 remaining) [2023-11-21 21:05:33,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (71 of 129 remaining) [2023-11-21 21:05:33,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (70 of 129 remaining) [2023-11-21 21:05:33,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (69 of 129 remaining) [2023-11-21 21:05:33,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (68 of 129 remaining) [2023-11-21 21:05:33,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (67 of 129 remaining) [2023-11-21 21:05:33,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (66 of 129 remaining) [2023-11-21 21:05:33,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (65 of 129 remaining) [2023-11-21 21:05:33,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (64 of 129 remaining) [2023-11-21 21:05:33,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (63 of 129 remaining) [2023-11-21 21:05:33,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (62 of 129 remaining) [2023-11-21 21:05:33,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (61 of 129 remaining) [2023-11-21 21:05:33,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (60 of 129 remaining) [2023-11-21 21:05:33,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (59 of 129 remaining) [2023-11-21 21:05:33,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (58 of 129 remaining) [2023-11-21 21:05:33,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (57 of 129 remaining) [2023-11-21 21:05:33,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (56 of 129 remaining) [2023-11-21 21:05:33,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (55 of 129 remaining) [2023-11-21 21:05:33,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (54 of 129 remaining) [2023-11-21 21:05:33,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 129 remaining) [2023-11-21 21:05:33,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 129 remaining) [2023-11-21 21:05:33,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 129 remaining) [2023-11-21 21:05:33,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 129 remaining) [2023-11-21 21:05:33,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 129 remaining) [2023-11-21 21:05:33,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (48 of 129 remaining) [2023-11-21 21:05:34,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 129 remaining) [2023-11-21 21:05:34,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 129 remaining) [2023-11-21 21:05:34,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 129 remaining) [2023-11-21 21:05:34,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 129 remaining) [2023-11-21 21:05:34,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 129 remaining) [2023-11-21 21:05:34,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (42 of 129 remaining) [2023-11-21 21:05:34,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (41 of 129 remaining) [2023-11-21 21:05:34,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (40 of 129 remaining) [2023-11-21 21:05:34,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (39 of 129 remaining) [2023-11-21 21:05:34,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (38 of 129 remaining) [2023-11-21 21:05:34,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 129 remaining) [2023-11-21 21:05:34,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (36 of 129 remaining) [2023-11-21 21:05:34,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (35 of 129 remaining) [2023-11-21 21:05:34,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (34 of 129 remaining) [2023-11-21 21:05:34,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 129 remaining) [2023-11-21 21:05:34,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (32 of 129 remaining) [2023-11-21 21:05:34,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (31 of 129 remaining) [2023-11-21 21:05:34,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 129 remaining) [2023-11-21 21:05:34,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 129 remaining) [2023-11-21 21:05:34,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 129 remaining) [2023-11-21 21:05:34,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 129 remaining) [2023-11-21 21:05:34,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 129 remaining) [2023-11-21 21:05:34,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (25 of 129 remaining) [2023-11-21 21:05:34,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (24 of 129 remaining) [2023-11-21 21:05:34,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (23 of 129 remaining) [2023-11-21 21:05:34,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (22 of 129 remaining) [2023-11-21 21:05:34,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (21 of 129 remaining) [2023-11-21 21:05:34,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (20 of 129 remaining) [2023-11-21 21:05:34,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (19 of 129 remaining) [2023-11-21 21:05:34,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (18 of 129 remaining) [2023-11-21 21:05:34,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (17 of 129 remaining) [2023-11-21 21:05:34,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (16 of 129 remaining) [2023-11-21 21:05:34,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 129 remaining) [2023-11-21 21:05:34,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (14 of 129 remaining) [2023-11-21 21:05:34,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (13 of 129 remaining) [2023-11-21 21:05:34,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (12 of 129 remaining) [2023-11-21 21:05:34,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (11 of 129 remaining) [2023-11-21 21:05:34,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 129 remaining) [2023-11-21 21:05:34,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 129 remaining) [2023-11-21 21:05:34,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 129 remaining) [2023-11-21 21:05:34,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 129 remaining) [2023-11-21 21:05:34,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 129 remaining) [2023-11-21 21:05:34,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 129 remaining) [2023-11-21 21:05:34,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 129 remaining) [2023-11-21 21:05:34,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 129 remaining) [2023-11-21 21:05:34,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 129 remaining) [2023-11-21 21:05:34,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 129 remaining) [2023-11-21 21:05:34,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 129 remaining) [2023-11-21 21:05:34,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 21:05:34,010 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] [2023-11-21 21:05:34,018 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 21:05:34,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:05:34,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:05:34 BasicIcfg [2023-11-21 21:05:34,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:05:34,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:05:34,026 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:05:34,027 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:05:34,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:08" (3/4) ... [2023-11-21 21:05:34,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:05:34,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 21:05:34,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 21:05:34,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 21:05:34,043 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-21 21:05:34,044 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 21:05:34,044 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 21:05:34,045 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:05:34,183 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:05:34,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:05:34,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:05:34,185 INFO L158 Benchmark]: Toolchain (without parser) took 27718.23ms. Allocated memory was 163.6MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 116.6MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2023-11-21 21:05:34,185 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:05:34,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.75ms. Allocated memory is still 163.6MB. Free memory was 116.6MB in the beginning and 102.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 21:05:34,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.64ms. Allocated memory is still 163.6MB. Free memory was 102.5MB in the beginning and 99.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:05:34,186 INFO L158 Benchmark]: Boogie Preprocessor took 77.95ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 96.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:05:34,187 INFO L158 Benchmark]: RCFGBuilder took 1552.92ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 96.2MB in the beginning and 156.9MB in the end (delta: -60.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-11-21 21:05:34,188 INFO L158 Benchmark]: TraceAbstraction took 25439.53ms. Allocated memory was 234.9MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 155.8MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2023-11-21 21:05:34,189 INFO L158 Benchmark]: Witness Printer took 157.94ms. Allocated memory is still 6.1GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 21:05:34,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.75ms. Allocated memory is still 163.6MB. Free memory was 116.6MB in the beginning and 102.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.64ms. Allocated memory is still 163.6MB. Free memory was 102.5MB in the beginning and 99.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.95ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 96.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1552.92ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 96.2MB in the beginning and 156.9MB in the end (delta: -60.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25439.53ms. Allocated memory was 234.9MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 155.8MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. * Witness Printer took 157.94ms. Allocated memory is still 6.1GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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: 105]: 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: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: 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, 444 locations, 129 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: 25.2s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 688 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2375 IncrementalHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 31 mSDtfsCounter, 2375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=690occurred in iteration=0, InterpolantAutomatonStates: 69, 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, 4.6s InterpolantComputationTime, 2085 NumberOfCodeBlocks, 2085 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2066 ConstructedInterpolants, 0 QuantifiedInterpolants, 2454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 21:05:34,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5822cb6b-9a99-426f-9c75-6b11442fc5dc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE