./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/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_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/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_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/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 8c7125507f231f46c946ebcd57e8b56859ee58b969eed99ccdbcf88141d9e219 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:03:38,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:03:38,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 21:03:38,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:03:38,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:03:38,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:03:38,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:03:38,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:03:38,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:03:38,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:03:38,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:03:38,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:03:38,716 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:03:38,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:03:38,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:03:38,719 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:03:38,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:03:38,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:03:38,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:03:38,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:03:38,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:03:38,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:03:38,723 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 21:03:38,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:03:38,724 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:03:38,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:03:38,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:03:38,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:03:38,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:03:38,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:03:38,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:38,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:03:38,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:03:38,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:03:38,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:03:38,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:03:38,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:03:38,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:03:38,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:03:38,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:03:38,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:03:38,732 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_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7125507f231f46c946ebcd57e8b56859ee58b969eed99ccdbcf88141d9e219 [2023-11-21 21:03:39,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:03:39,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:03:39,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:03:39,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:03:39,056 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:03:39,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/unroll-2.wvr.c [2023-11-21 21:03:42,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:03:42,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:03:42,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/sv-benchmarks/c/weaver/unroll-2.wvr.c [2023-11-21 21:03:42,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/data/b1edcbe95/82a53ede09a44eb8b20c86bc52c58c44/FLAG15b9c0bc1 [2023-11-21 21:03:42,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/data/b1edcbe95/82a53ede09a44eb8b20c86bc52c58c44 [2023-11-21 21:03:42,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:03:42,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:03:42,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:42,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:03:42,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:03:42,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c8a98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42, skipping insertion in model container [2023-11-21 21:03:42,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:03:42,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:42,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:03:42,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:42,833 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:03:42,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42 WrapperNode [2023-11-21 21:03:42,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:42,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:42,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:03:42,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:03:42,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,925 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 253 [2023-11-21 21:03:42,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:42,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:03:42,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:03:42,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:03:42,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:03:42,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:03:42,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:03:42,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:03:42,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (1/1) ... [2023-11-21 21:03:42,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:43,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:43,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:03:43,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:03:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:03:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 21:03:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 21:03:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 21:03:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 21:03:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:03:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:03:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:03:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:03:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:03:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:03:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:03:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:03:43,081 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 21:03:43,268 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:03:43,271 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:43,788 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:43,814 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:43,814 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 21:03:43,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:43 BoogieIcfgContainer [2023-11-21 21:03:43,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:43,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:43,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:43,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:43,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:42" (1/3) ... [2023-11-21 21:03:43,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c97a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:43, skipping insertion in model container [2023-11-21 21:03:43,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:42" (2/3) ... [2023-11-21 21:03:43,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c97a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:43, skipping insertion in model container [2023-11-21 21:03:43,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:43" (3/3) ... [2023-11-21 21:03:43,825 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2023-11-21 21:03:43,834 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:03:43,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:43,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-21 21:03:43,845 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 21:03:44,012 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 21:03:44,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 314 places, 324 transitions, 662 flow [2023-11-21 21:03:44,181 INFO L124 PetriNetUnfolderBase]: 17/322 cut-off events. [2023-11-21 21:03:44,181 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 21:03:44,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 322 events. 17/322 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 517 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2023-11-21 21:03:44,190 INFO L82 GeneralOperation]: Start removeDead. Operand has 314 places, 324 transitions, 662 flow [2023-11-21 21:03:44,200 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 292 places, 301 transitions, 614 flow [2023-11-21 21:03:44,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:44,219 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;@6ba764b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:44,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2023-11-21 21:03:44,225 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 21:03:44,225 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-21 21:03:44,226 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:03:44,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:44,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:44,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:44,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:44,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1999538098, now seen corresponding path program 1 times [2023-11-21 21:03:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:44,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22527036] [2023-11-21 21:03:44,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:44,450 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 21:03:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22527036] [2023-11-21 21:03:44,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22527036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:44,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:44,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:44,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63960560] [2023-11-21 21:03:44,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:44,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:44,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:44,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:44,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:44,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 324 [2023-11-21 21:03:44,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 301 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 21:03:44,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:44,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 324 [2023-11-21 21:03:44,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:44,670 INFO L124 PetriNetUnfolderBase]: 13/406 cut-off events. [2023-11-21 21:03:44,670 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2023-11-21 21:03:44,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 406 events. 13/406 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1198 event pairs, 3 based on Foata normal form. 11/348 useless extension candidates. Maximal degree in co-relation 284. Up to 19 conditions per place. [2023-11-21 21:03:44,679 INFO L140 encePairwiseOnDemand]: 311/324 looper letters, 10 selfloop transitions, 2 changer transitions 4/290 dead transitions. [2023-11-21 21:03:44,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 290 transitions, 616 flow [2023-11-21 21:03:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2023-11-21 21:03:44,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9434156378600823 [2023-11-21 21:03:44,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2023-11-21 21:03:44,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2023-11-21 21:03:44,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:44,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2023-11-21 21:03:44,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states 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 21:03:44,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:44,723 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:44,726 INFO L175 Difference]: Start difference. First operand has 292 places, 301 transitions, 614 flow. Second operand 3 states and 917 transitions. [2023-11-21 21:03:44,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 290 transitions, 616 flow [2023-11-21 21:03:44,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 290 transitions, 608 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:03:44,742 INFO L231 Difference]: Finished difference. Result has 289 places, 286 transitions, 580 flow [2023-11-21 21:03:44,745 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=289, PETRI_TRANSITIONS=286} [2023-11-21 21:03:44,749 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -3 predicate places. [2023-11-21 21:03:44,750 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 286 transitions, 580 flow [2023-11-21 21:03:44,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 21:03:44,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:44,752 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] [2023-11-21 21:03:44,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:03:44,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:44,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:44,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1162862387, now seen corresponding path program 1 times [2023-11-21 21:03:44,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:44,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530799450] [2023-11-21 21:03:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:44,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:44,829 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 21:03:44,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:44,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530799450] [2023-11-21 21:03:44,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530799450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:44,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:44,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:44,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703590383] [2023-11-21 21:03:44,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:44,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:44,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:44,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:44,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:44,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 324 [2023-11-21 21:03:44,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 286 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states 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 21:03:44,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:44,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 324 [2023-11-21 21:03:44,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:45,019 INFO L124 PetriNetUnfolderBase]: 14/415 cut-off events. [2023-11-21 21:03:45,021 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-21 21:03:45,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 415 events. 14/415 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1164 event pairs, 5 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 419. Up to 23 conditions per place. [2023-11-21 21:03:45,028 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 12 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2023-11-21 21:03:45,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 285 transitions, 606 flow [2023-11-21 21:03:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2023-11-21 21:03:45,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9290123456790124 [2023-11-21 21:03:45,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 903 transitions. [2023-11-21 21:03:45,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 903 transitions. [2023-11-21 21:03:45,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:45,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 903 transitions. [2023-11-21 21:03:45,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states 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 21:03:45,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:45,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:45,046 INFO L175 Difference]: Start difference. First operand has 289 places, 286 transitions, 580 flow. Second operand 3 states and 903 transitions. [2023-11-21 21:03:45,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 285 transitions, 606 flow [2023-11-21 21:03:45,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 285 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:45,059 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 578 flow [2023-11-21 21:03:45,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2023-11-21 21:03:45,061 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -8 predicate places. [2023-11-21 21:03:45,061 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 578 flow [2023-11-21 21:03:45,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states 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 21:03:45,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:45,063 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:45,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:03:45,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:45,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:45,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1308465579, now seen corresponding path program 1 times [2023-11-21 21:03:45,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:45,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543874087] [2023-11-21 21:03:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:45,201 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 21:03:45,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:45,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543874087] [2023-11-21 21:03:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543874087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:45,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:45,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444606989] [2023-11-21 21:03:45,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:45,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:45,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:45,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 324 [2023-11-21 21:03:45,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states 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 21:03:45,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:45,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 324 [2023-11-21 21:03:45,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:45,478 INFO L124 PetriNetUnfolderBase]: 45/761 cut-off events. [2023-11-21 21:03:45,479 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-21 21:03:45,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 761 events. 45/761 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3114 event pairs, 14 based on Foata normal form. 0/631 useless extension candidates. Maximal degree in co-relation 792. Up to 57 conditions per place. [2023-11-21 21:03:45,490 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 14 selfloop transitions, 1 changer transitions 0/280 dead transitions. [2023-11-21 21:03:45,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 280 transitions, 598 flow [2023-11-21 21:03:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 896 transitions. [2023-11-21 21:03:45,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9218106995884774 [2023-11-21 21:03:45,494 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 896 transitions. [2023-11-21 21:03:45,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 896 transitions. [2023-11-21 21:03:45,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:45,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 896 transitions. [2023-11-21 21:03:45,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states 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 21:03:45,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:45,504 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:45,504 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 578 flow. Second operand 3 states and 896 transitions. [2023-11-21 21:03:45,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 280 transitions, 598 flow [2023-11-21 21:03:45,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 280 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:45,512 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 566 flow [2023-11-21 21:03:45,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2023-11-21 21:03:45,515 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -13 predicate places. [2023-11-21 21:03:45,515 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 566 flow [2023-11-21 21:03:45,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states 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 21:03:45,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:45,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:45,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:03:45,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:45,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:45,518 INFO L85 PathProgramCache]: Analyzing trace with hash 602194675, now seen corresponding path program 1 times [2023-11-21 21:03:45,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:45,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098852279] [2023-11-21 21:03:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:45,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:45,658 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 21:03:45,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098852279] [2023-11-21 21:03:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098852279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:45,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:45,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:45,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992319943] [2023-11-21 21:03:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:45,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:45,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:45,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 324 [2023-11-21 21:03:45,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 21:03:45,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:45,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 324 [2023-11-21 21:03:45,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:45,774 INFO L124 PetriNetUnfolderBase]: 14/407 cut-off events. [2023-11-21 21:03:45,775 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-21 21:03:45,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 407 events. 14/407 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1095 event pairs, 5 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 400. Up to 21 conditions per place. [2023-11-21 21:03:45,780 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 10 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2023-11-21 21:03:45,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 279 transitions, 588 flow [2023-11-21 21:03:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2023-11-21 21:03:45,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9331275720164609 [2023-11-21 21:03:45,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 907 transitions. [2023-11-21 21:03:45,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 907 transitions. [2023-11-21 21:03:45,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:45,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 907 transitions. [2023-11-21 21:03:45,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states 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 21:03:45,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:45,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:45,794 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 566 flow. Second operand 3 states and 907 transitions. [2023-11-21 21:03:45,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 279 transitions, 588 flow [2023-11-21 21:03:45,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 279 transitions, 587 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:03:45,802 INFO L231 Difference]: Finished difference. Result has 279 places, 279 transitions, 567 flow [2023-11-21 21:03:45,803 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=277, 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=567, PETRI_PLACES=279, PETRI_TRANSITIONS=279} [2023-11-21 21:03:45,804 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -13 predicate places. [2023-11-21 21:03:45,804 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 279 transitions, 567 flow [2023-11-21 21:03:45,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 21:03:45,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:45,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:45,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:03:45,806 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:45,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:45,807 INFO L85 PathProgramCache]: Analyzing trace with hash -627251288, now seen corresponding path program 1 times [2023-11-21 21:03:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:45,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829451591] [2023-11-21 21:03:45,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:46,663 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 21:03:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829451591] [2023-11-21 21:03:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829451591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:46,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:46,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:46,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395297013] [2023-11-21 21:03:46,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:46,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:46,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:46,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:46,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 324 [2023-11-21 21:03:46,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 567 flow. Second operand has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states 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 21:03:46,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:46,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 324 [2023-11-21 21:03:46,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:47,783 INFO L124 PetriNetUnfolderBase]: 538/3933 cut-off events. [2023-11-21 21:03:47,783 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-21 21:03:47,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4697 conditions, 3933 events. 538/3933 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 34581 event pairs, 380 based on Foata normal form. 0/3221 useless extension candidates. Maximal degree in co-relation 4662. Up to 748 conditions per place. [2023-11-21 21:03:47,840 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 32 selfloop transitions, 5 changer transitions 0/278 dead transitions. [2023-11-21 21:03:47,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 278 transitions, 639 flow [2023-11-21 21:03:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:47,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:47,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1682 transitions. [2023-11-21 21:03:47,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8652263374485597 [2023-11-21 21:03:47,854 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1682 transitions. [2023-11-21 21:03:47,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1682 transitions. [2023-11-21 21:03:47,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:47,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1682 transitions. [2023-11-21 21:03:47,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 280.3333333333333) internal successors, (1682), 6 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states 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 21:03:47,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:47,872 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:47,873 INFO L175 Difference]: Start difference. First operand has 279 places, 279 transitions, 567 flow. Second operand 6 states and 1682 transitions. [2023-11-21 21:03:47,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 278 transitions, 639 flow [2023-11-21 21:03:47,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 278 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:47,881 INFO L231 Difference]: Finished difference. Result has 281 places, 278 transitions, 571 flow [2023-11-21 21:03:47,882 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=571, PETRI_PLACES=281, PETRI_TRANSITIONS=278} [2023-11-21 21:03:47,885 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -11 predicate places. [2023-11-21 21:03:47,886 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 278 transitions, 571 flow [2023-11-21 21:03:47,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states 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 21:03:47,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:47,889 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] [2023-11-21 21:03:47,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:03:47,889 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:47,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:47,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1309465587, now seen corresponding path program 1 times [2023-11-21 21:03:47,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:47,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608247105] [2023-11-21 21:03:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:47,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:47,974 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 21:03:47,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:47,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608247105] [2023-11-21 21:03:47,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608247105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:47,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:47,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:47,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820059463] [2023-11-21 21:03:47,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:47,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:47,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:47,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:47,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:47,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 324 [2023-11-21 21:03:48,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 278 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states 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 21:03:48,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:48,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 324 [2023-11-21 21:03:48,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:48,170 INFO L124 PetriNetUnfolderBase]: 28/669 cut-off events. [2023-11-21 21:03:48,170 INFO L125 PetriNetUnfolderBase]: For 4/13 co-relation queries the response was YES. [2023-11-21 21:03:48,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 715 conditions, 669 events. 28/669 cut-off events. For 4/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2811 event pairs, 8 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 697. Up to 32 conditions per place. [2023-11-21 21:03:48,178 INFO L140 encePairwiseOnDemand]: 320/324 looper letters, 10 selfloop transitions, 1 changer transitions 0/275 dead transitions. [2023-11-21 21:03:48,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 275 transitions, 587 flow [2023-11-21 21:03:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2023-11-21 21:03:48,182 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.934156378600823 [2023-11-21 21:03:48,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 908 transitions. [2023-11-21 21:03:48,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 908 transitions. [2023-11-21 21:03:48,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:48,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 908 transitions. [2023-11-21 21:03:48,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 21:03:48,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:48,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:48,192 INFO L175 Difference]: Start difference. First operand has 281 places, 278 transitions, 571 flow. Second operand 3 states and 908 transitions. [2023-11-21 21:03:48,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 275 transitions, 587 flow [2023-11-21 21:03:48,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 275 transitions, 577 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 21:03:48,199 INFO L231 Difference]: Finished difference. Result has 275 places, 275 transitions, 557 flow [2023-11-21 21:03:48,200 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=557, PETRI_PLACES=275, PETRI_TRANSITIONS=275} [2023-11-21 21:03:48,205 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -17 predicate places. [2023-11-21 21:03:48,206 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 275 transitions, 557 flow [2023-11-21 21:03:48,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states 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 21:03:48,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:48,207 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] [2023-11-21 21:03:48,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:03:48,207 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:48,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1330616131, now seen corresponding path program 1 times [2023-11-21 21:03:48,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:48,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115990565] [2023-11-21 21:03:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:48,294 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 21:03:48,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:48,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115990565] [2023-11-21 21:03:48,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115990565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:48,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:48,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:48,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647830376] [2023-11-21 21:03:48,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:48,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:48,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:48,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:48,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:48,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 324 [2023-11-21 21:03:48,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 275 transitions, 557 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 states 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 21:03:48,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:48,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 324 [2023-11-21 21:03:48,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:48,392 INFO L124 PetriNetUnfolderBase]: 16/326 cut-off events. [2023-11-21 21:03:48,392 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-21 21:03:48,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 326 events. 16/326 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 732 event pairs, 1 based on Foata normal form. 1/295 useless extension candidates. Maximal degree in co-relation 334. Up to 21 conditions per place. [2023-11-21 21:03:48,397 INFO L140 encePairwiseOnDemand]: 317/324 looper letters, 11 selfloop transitions, 3 changer transitions 0/272 dead transitions. [2023-11-21 21:03:48,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 272 transitions, 580 flow [2023-11-21 21:03:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2023-11-21 21:03:48,401 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9290123456790124 [2023-11-21 21:03:48,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 903 transitions. [2023-11-21 21:03:48,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 903 transitions. [2023-11-21 21:03:48,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:48,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 903 transitions. [2023-11-21 21:03:48,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states 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 21:03:48,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:48,410 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:48,410 INFO L175 Difference]: Start difference. First operand has 275 places, 275 transitions, 557 flow. Second operand 3 states and 903 transitions. [2023-11-21 21:03:48,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 272 transitions, 580 flow [2023-11-21 21:03:48,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 272 transitions, 579 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:03:48,418 INFO L231 Difference]: Finished difference. Result has 272 places, 271 transitions, 554 flow [2023-11-21 21:03:48,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=554, PETRI_PLACES=272, PETRI_TRANSITIONS=271} [2023-11-21 21:03:48,420 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -20 predicate places. [2023-11-21 21:03:48,420 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 271 transitions, 554 flow [2023-11-21 21:03:48,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 states 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 21:03:48,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:48,421 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] [2023-11-21 21:03:48,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:03:48,422 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:48,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:48,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1766924299, now seen corresponding path program 1 times [2023-11-21 21:03:48,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:48,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050598178] [2023-11-21 21:03:48,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:48,490 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 21:03:48,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:48,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050598178] [2023-11-21 21:03:48,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050598178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:48,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:48,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797837184] [2023-11-21 21:03:48,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:48,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:48,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:48,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:48,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:48,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 324 [2023-11-21 21:03:48,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 271 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 0 states 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 21:03:48,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:48,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 324 [2023-11-21 21:03:48,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:48,645 INFO L124 PetriNetUnfolderBase]: 24/374 cut-off events. [2023-11-21 21:03:48,645 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 21:03:48,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 374 events. 24/374 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1098 event pairs, 11 based on Foata normal form. 1/342 useless extension candidates. Maximal degree in co-relation 398. Up to 38 conditions per place. [2023-11-21 21:03:48,649 INFO L140 encePairwiseOnDemand]: 312/324 looper letters, 14 selfloop transitions, 4 changer transitions 5/265 dead transitions. [2023-11-21 21:03:48,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 265 transitions, 583 flow [2023-11-21 21:03:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2023-11-21 21:03:48,653 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9074074074074074 [2023-11-21 21:03:48,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 882 transitions. [2023-11-21 21:03:48,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 882 transitions. [2023-11-21 21:03:48,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:48,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 882 transitions. [2023-11-21 21:03:48,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states 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 21:03:48,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:48,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:48,661 INFO L175 Difference]: Start difference. First operand has 272 places, 271 transitions, 554 flow. Second operand 3 states and 882 transitions. [2023-11-21 21:03:48,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 265 transitions, 583 flow [2023-11-21 21:03:48,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 265 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:48,668 INFO L231 Difference]: Finished difference. Result has 265 places, 259 transitions, 531 flow [2023-11-21 21:03:48,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=265, PETRI_TRANSITIONS=259} [2023-11-21 21:03:48,670 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -27 predicate places. [2023-11-21 21:03:48,670 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 259 transitions, 531 flow [2023-11-21 21:03:48,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 0 states 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 21:03:48,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:48,671 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:48,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:03:48,672 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:48,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash 575649876, now seen corresponding path program 1 times [2023-11-21 21:03:48,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:48,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081644399] [2023-11-21 21:03:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:49,197 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 21:03:49,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:49,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081644399] [2023-11-21 21:03:49,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081644399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:49,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:49,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:49,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366663824] [2023-11-21 21:03:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:49,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:49,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:49,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 324 [2023-11-21 21:03:49,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 259 transitions, 531 flow. Second operand has 6 states, 6 states have (on average 295.5) internal successors, (1773), 6 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states 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 21:03:49,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:49,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 324 [2023-11-21 21:03:49,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:49,611 INFO L124 PetriNetUnfolderBase]: 6/258 cut-off events. [2023-11-21 21:03:49,611 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:03:49,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 258 events. 6/258 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 328 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 246. Up to 9 conditions per place. [2023-11-21 21:03:49,615 INFO L140 encePairwiseOnDemand]: 319/324 looper letters, 10 selfloop transitions, 4 changer transitions 0/258 dead transitions. [2023-11-21 21:03:49,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 258 transitions, 557 flow [2023-11-21 21:03:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1779 transitions. [2023-11-21 21:03:49,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9151234567901234 [2023-11-21 21:03:49,621 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1779 transitions. [2023-11-21 21:03:49,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1779 transitions. [2023-11-21 21:03:49,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:49,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1779 transitions. [2023-11-21 21:03:49,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 296.5) internal successors, (1779), 6 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states 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 21:03:49,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:49,635 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:49,635 INFO L175 Difference]: Start difference. First operand has 265 places, 259 transitions, 531 flow. Second operand 6 states and 1779 transitions. [2023-11-21 21:03:49,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 258 transitions, 557 flow [2023-11-21 21:03:49,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 258 transitions, 549 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:49,643 INFO L231 Difference]: Finished difference. Result has 262 places, 258 transitions, 529 flow [2023-11-21 21:03:49,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=529, PETRI_PLACES=262, PETRI_TRANSITIONS=258} [2023-11-21 21:03:49,645 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -30 predicate places. [2023-11-21 21:03:49,645 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 258 transitions, 529 flow [2023-11-21 21:03:49,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.5) internal successors, (1773), 6 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states 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 21:03:49,647 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:49,647 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] [2023-11-21 21:03:49,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:03:49,647 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:49,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:49,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1859970023, now seen corresponding path program 1 times [2023-11-21 21:03:49,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:49,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936606409] [2023-11-21 21:03:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:49,706 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 21:03:49,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936606409] [2023-11-21 21:03:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936606409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:49,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:49,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:49,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300641677] [2023-11-21 21:03:49,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:49,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:49,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:49,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:49,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:49,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 324 [2023-11-21 21:03:49,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 258 transitions, 529 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 21:03:49,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:49,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 324 [2023-11-21 21:03:49,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:49,846 INFO L124 PetriNetUnfolderBase]: 43/681 cut-off events. [2023-11-21 21:03:49,846 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-21 21:03:49,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 681 events. 43/681 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2696 event pairs, 4 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 713. Up to 50 conditions per place. [2023-11-21 21:03:49,854 INFO L140 encePairwiseOnDemand]: 319/324 looper letters, 12 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2023-11-21 21:03:49,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 259 transitions, 561 flow [2023-11-21 21:03:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2023-11-21 21:03:49,859 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9372427983539094 [2023-11-21 21:03:49,859 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2023-11-21 21:03:49,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2023-11-21 21:03:49,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:49,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2023-11-21 21:03:49,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states 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 21:03:49,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:49,866 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:49,867 INFO L175 Difference]: Start difference. First operand has 262 places, 258 transitions, 529 flow. Second operand 3 states and 911 transitions. [2023-11-21 21:03:49,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 259 transitions, 561 flow [2023-11-21 21:03:49,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 259 transitions, 554 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:03:49,874 INFO L231 Difference]: Finished difference. Result has 258 places, 257 transitions, 530 flow [2023-11-21 21:03:49,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=258, PETRI_TRANSITIONS=257} [2023-11-21 21:03:49,877 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -34 predicate places. [2023-11-21 21:03:49,877 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 257 transitions, 530 flow [2023-11-21 21:03:49,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 21:03:49,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:49,878 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] [2023-11-21 21:03:49,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:03:49,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:49,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1129205901, now seen corresponding path program 1 times [2023-11-21 21:03:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:49,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326452139] [2023-11-21 21:03:49,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:49,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:50,041 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 21:03:50,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326452139] [2023-11-21 21:03:50,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326452139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:50,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:50,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124798617] [2023-11-21 21:03:50,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:50,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:03:50,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:03:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:03:50,075 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 324 [2023-11-21 21:03:50,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 257 transitions, 530 flow. Second operand has 4 states, 4 states have (on average 302.25) internal successors, (1209), 4 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states 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 21:03:50,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:50,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 324 [2023-11-21 21:03:50,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:50,272 INFO L124 PetriNetUnfolderBase]: 34/797 cut-off events. [2023-11-21 21:03:50,272 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-21 21:03:50,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 871 conditions, 797 events. 34/797 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2942 event pairs, 3 based on Foata normal form. 1/724 useless extension candidates. Maximal degree in co-relation 835. Up to 18 conditions per place. [2023-11-21 21:03:50,281 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 13 selfloop transitions, 6 changer transitions 0/266 dead transitions. [2023-11-21 21:03:50,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 266 transitions, 590 flow [2023-11-21 21:03:50,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 21:03:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1525 transitions. [2023-11-21 21:03:50,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.941358024691358 [2023-11-21 21:03:50,286 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1525 transitions. [2023-11-21 21:03:50,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1525 transitions. [2023-11-21 21:03:50,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:50,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1525 transitions. [2023-11-21 21:03:50,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states 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 21:03:50,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states 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 21:03:50,297 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states 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 21:03:50,298 INFO L175 Difference]: Start difference. First operand has 258 places, 257 transitions, 530 flow. Second operand 5 states and 1525 transitions. [2023-11-21 21:03:50,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 266 transitions, 590 flow [2023-11-21 21:03:50,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 266 transitions, 590 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:03:50,304 INFO L231 Difference]: Finished difference. Result has 265 places, 261 transitions, 568 flow [2023-11-21 21:03:50,305 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=568, PETRI_PLACES=265, PETRI_TRANSITIONS=261} [2023-11-21 21:03:50,306 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -27 predicate places. [2023-11-21 21:03:50,306 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 261 transitions, 568 flow [2023-11-21 21:03:50,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 302.25) internal successors, (1209), 4 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states 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 21:03:50,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:50,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:50,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 21:03:50,308 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:50,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash -51768402, now seen corresponding path program 1 times [2023-11-21 21:03:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:50,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191378994] [2023-11-21 21:03:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:51,010 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 21:03:51,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:51,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191378994] [2023-11-21 21:03:51,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191378994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:51,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:51,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171533470] [2023-11-21 21:03:51,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:51,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:51,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:51,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:51,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:51,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 324 [2023-11-21 21:03:51,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 261 transitions, 568 flow. Second operand has 6 states, 6 states have (on average 295.6666666666667) internal successors, (1774), 6 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states 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 21:03:51,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:51,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 324 [2023-11-21 21:03:51,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:51,462 INFO L124 PetriNetUnfolderBase]: 15/494 cut-off events. [2023-11-21 21:03:51,463 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-21 21:03:51,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 494 events. 15/494 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1040 event pairs, 1 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 510. Up to 11 conditions per place. [2023-11-21 21:03:51,476 INFO L140 encePairwiseOnDemand]: 319/324 looper letters, 10 selfloop transitions, 4 changer transitions 0/260 dead transitions. [2023-11-21 21:03:51,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 260 transitions, 594 flow [2023-11-21 21:03:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1779 transitions. [2023-11-21 21:03:51,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9151234567901234 [2023-11-21 21:03:51,483 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1779 transitions. [2023-11-21 21:03:51,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1779 transitions. [2023-11-21 21:03:51,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:51,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1779 transitions. [2023-11-21 21:03:51,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 296.5) internal successors, (1779), 6 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states 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 21:03:51,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:51,495 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:51,496 INFO L175 Difference]: Start difference. First operand has 265 places, 261 transitions, 568 flow. Second operand 6 states and 1779 transitions. [2023-11-21 21:03:51,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 260 transitions, 594 flow [2023-11-21 21:03:51,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 260 transitions, 594 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:03:51,504 INFO L231 Difference]: Finished difference. Result has 269 places, 260 transitions, 574 flow [2023-11-21 21:03:51,505 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=574, PETRI_PLACES=269, PETRI_TRANSITIONS=260} [2023-11-21 21:03:51,508 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -23 predicate places. [2023-11-21 21:03:51,508 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 260 transitions, 574 flow [2023-11-21 21:03:51,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.6666666666667) internal successors, (1774), 6 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states 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 21:03:51,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:51,510 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] [2023-11-21 21:03:51,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 21:03:51,511 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:51,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:51,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1895007560, now seen corresponding path program 1 times [2023-11-21 21:03:51,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:51,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862145058] [2023-11-21 21:03:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:52,060 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 21:03:52,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:52,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862145058] [2023-11-21 21:03:52,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862145058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:52,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:52,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:52,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267939989] [2023-11-21 21:03:52,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:52,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:52,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:52,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:52,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:52,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 324 [2023-11-21 21:03:52,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 260 transitions, 574 flow. Second operand has 6 states, 6 states have (on average 295.5) internal successors, (1773), 6 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states 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 21:03:52,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:52,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 324 [2023-11-21 21:03:52,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:52,636 INFO L124 PetriNetUnfolderBase]: 30/609 cut-off events. [2023-11-21 21:03:52,636 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-21 21:03:52,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 718 conditions, 609 events. 30/609 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1783 event pairs, 2 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 693. Up to 17 conditions per place. [2023-11-21 21:03:52,646 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 15 selfloop transitions, 6 changer transitions 0/263 dead transitions. [2023-11-21 21:03:52,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 263 transitions, 626 flow [2023-11-21 21:03:52,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1785 transitions. [2023-11-21 21:03:52,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9182098765432098 [2023-11-21 21:03:52,656 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1785 transitions. [2023-11-21 21:03:52,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1785 transitions. [2023-11-21 21:03:52,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:52,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1785 transitions. [2023-11-21 21:03:52,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 297.5) internal successors, (1785), 6 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states 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 21:03:52,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:52,671 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:52,671 INFO L175 Difference]: Start difference. First operand has 269 places, 260 transitions, 574 flow. Second operand 6 states and 1785 transitions. [2023-11-21 21:03:52,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 263 transitions, 626 flow [2023-11-21 21:03:52,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 263 transitions, 619 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:03:52,680 INFO L231 Difference]: Finished difference. Result has 269 places, 259 transitions, 577 flow [2023-11-21 21:03:52,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=577, PETRI_PLACES=269, PETRI_TRANSITIONS=259} [2023-11-21 21:03:52,683 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -23 predicate places. [2023-11-21 21:03:52,683 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 259 transitions, 577 flow [2023-11-21 21:03:52,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.5) internal successors, (1773), 6 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states 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 21:03:52,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:52,685 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] [2023-11-21 21:03:52,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 21:03:52,685 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:52,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:52,686 INFO L85 PathProgramCache]: Analyzing trace with hash 703642796, now seen corresponding path program 1 times [2023-11-21 21:03:52,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:52,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19994285] [2023-11-21 21:03:52,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:52,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:52,817 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 21:03:52,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:52,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19994285] [2023-11-21 21:03:52,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19994285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:52,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:52,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:52,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081982057] [2023-11-21 21:03:52,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:52,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:03:52,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:52,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:03:52,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:03:52,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 324 [2023-11-21 21:03:52,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 259 transitions, 577 flow. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:52,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:52,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 324 [2023-11-21 21:03:52,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:53,069 INFO L124 PetriNetUnfolderBase]: 42/768 cut-off events. [2023-11-21 21:03:53,069 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2023-11-21 21:03:53,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 903 conditions, 768 events. 42/768 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3355 event pairs, 6 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 861. Up to 46 conditions per place. [2023-11-21 21:03:53,079 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 13 selfloop transitions, 6 changer transitions 0/267 dead transitions. [2023-11-21 21:03:53,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 267 transitions, 634 flow [2023-11-21 21:03:53,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:53,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 21:03:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1520 transitions. [2023-11-21 21:03:53,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9382716049382716 [2023-11-21 21:03:53,086 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1520 transitions. [2023-11-21 21:03:53,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1520 transitions. [2023-11-21 21:03:53,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:53,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1520 transitions. [2023-11-21 21:03:53,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states 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 21:03:53,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states 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 21:03:53,099 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states 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 21:03:53,099 INFO L175 Difference]: Start difference. First operand has 269 places, 259 transitions, 577 flow. Second operand 5 states and 1520 transitions. [2023-11-21 21:03:53,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 267 transitions, 634 flow [2023-11-21 21:03:53,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 267 transitions, 622 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 21:03:53,107 INFO L231 Difference]: Finished difference. Result has 271 places, 263 transitions, 603 flow [2023-11-21 21:03:53,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=603, PETRI_PLACES=271, PETRI_TRANSITIONS=263} [2023-11-21 21:03:53,109 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -21 predicate places. [2023-11-21 21:03:53,110 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 263 transitions, 603 flow [2023-11-21 21:03:53,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:53,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:53,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:53,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 21:03:53,111 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:53,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:53,113 INFO L85 PathProgramCache]: Analyzing trace with hash 387226571, now seen corresponding path program 1 times [2023-11-21 21:03:53,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:53,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532427112] [2023-11-21 21:03:53,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:53,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:53,176 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 21:03:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:53,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532427112] [2023-11-21 21:03:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532427112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:53,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543970493] [2023-11-21 21:03:53,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:53,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:53,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:53,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 324 [2023-11-21 21:03:53,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 263 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states 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 21:03:53,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:53,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 324 [2023-11-21 21:03:53,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:53,333 INFO L124 PetriNetUnfolderBase]: 28/606 cut-off events. [2023-11-21 21:03:53,334 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-21 21:03:53,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 606 events. 28/606 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1698 event pairs, 10 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 697. Up to 29 conditions per place. [2023-11-21 21:03:53,343 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 9 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2023-11-21 21:03:53,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 263 transitions, 626 flow [2023-11-21 21:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2023-11-21 21:03:53,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9351851851851852 [2023-11-21 21:03:53,347 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 909 transitions. [2023-11-21 21:03:53,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 909 transitions. [2023-11-21 21:03:53,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:53,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 909 transitions. [2023-11-21 21:03:53,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 0 states have call successors, (0), 0 states 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 21:03:53,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:53,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:53,355 INFO L175 Difference]: Start difference. First operand has 271 places, 263 transitions, 603 flow. Second operand 3 states and 909 transitions. [2023-11-21 21:03:53,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 263 transitions, 626 flow [2023-11-21 21:03:53,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 263 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:03:53,364 INFO L231 Difference]: Finished difference. Result has 272 places, 262 transitions, 605 flow [2023-11-21 21:03:53,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=272, PETRI_TRANSITIONS=262} [2023-11-21 21:03:53,365 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -20 predicate places. [2023-11-21 21:03:53,366 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 262 transitions, 605 flow [2023-11-21 21:03:53,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states 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 21:03:53,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:53,367 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] [2023-11-21 21:03:53,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 21:03:53,367 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:53,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:53,368 INFO L85 PathProgramCache]: Analyzing trace with hash -486820096, now seen corresponding path program 1 times [2023-11-21 21:03:53,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:53,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696629169] [2023-11-21 21:03:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:53,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:53,883 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 21:03:53,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:53,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696629169] [2023-11-21 21:03:53,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696629169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:53,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:53,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:53,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300649219] [2023-11-21 21:03:53,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:53,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:53,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:53,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:53,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:54,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 324 [2023-11-21 21:03:54,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 262 transitions, 605 flow. Second operand has 6 states, 6 states have (on average 288.6666666666667) internal successors, (1732), 6 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states 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 21:03:54,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:54,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 324 [2023-11-21 21:03:54,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:54,475 INFO L124 PetriNetUnfolderBase]: 54/670 cut-off events. [2023-11-21 21:03:54,475 INFO L125 PetriNetUnfolderBase]: For 55/56 co-relation queries the response was YES. [2023-11-21 21:03:54,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 670 events. 54/670 cut-off events. For 55/56 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3113 event pairs, 6 based on Foata normal form. 0/635 useless extension candidates. Maximal degree in co-relation 850. Up to 42 conditions per place. [2023-11-21 21:03:54,486 INFO L140 encePairwiseOnDemand]: 312/324 looper letters, 16 selfloop transitions, 11 changer transitions 0/264 dead transitions. [2023-11-21 21:03:54,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 264 transitions, 667 flow [2023-11-21 21:03:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1750 transitions. [2023-11-21 21:03:54,495 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9002057613168725 [2023-11-21 21:03:54,495 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1750 transitions. [2023-11-21 21:03:54,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1750 transitions. [2023-11-21 21:03:54,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:54,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1750 transitions. [2023-11-21 21:03:54,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 291.6666666666667) internal successors, (1750), 6 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states 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 21:03:54,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:54,510 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 324.0) internal successors, (2268), 7 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:54,512 INFO L175 Difference]: Start difference. First operand has 272 places, 262 transitions, 605 flow. Second operand 6 states and 1750 transitions. [2023-11-21 21:03:54,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 264 transitions, 667 flow [2023-11-21 21:03:54,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 264 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:54,521 INFO L231 Difference]: Finished difference. Result has 273 places, 260 transitions, 619 flow [2023-11-21 21:03:54,523 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=619, PETRI_PLACES=273, PETRI_TRANSITIONS=260} [2023-11-21 21:03:54,524 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -19 predicate places. [2023-11-21 21:03:54,524 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 260 transitions, 619 flow [2023-11-21 21:03:54,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 288.6666666666667) internal successors, (1732), 6 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states 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 21:03:54,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:54,528 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:54,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 21:03:54,529 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:54,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash 30869315, now seen corresponding path program 1 times [2023-11-21 21:03:54,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:54,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920015182] [2023-11-21 21:03:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:54,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:54,597 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 21:03:54,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:54,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920015182] [2023-11-21 21:03:54,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920015182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:54,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:54,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083945808] [2023-11-21 21:03:54,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:54,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:54,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:54,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:54,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 324 [2023-11-21 21:03:54,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 260 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states 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 21:03:54,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:54,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 324 [2023-11-21 21:03:54,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:54,841 INFO L124 PetriNetUnfolderBase]: 50/759 cut-off events. [2023-11-21 21:03:54,841 INFO L125 PetriNetUnfolderBase]: For 67/68 co-relation queries the response was YES. [2023-11-21 21:03:54,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 759 events. 50/759 cut-off events. For 67/68 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3367 event pairs, 26 based on Foata normal form. 0/721 useless extension candidates. Maximal degree in co-relation 994. Up to 85 conditions per place. [2023-11-21 21:03:54,852 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 13 selfloop transitions, 2 changer transitions 0/260 dead transitions. [2023-11-21 21:03:54,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 260 transitions, 650 flow [2023-11-21 21:03:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2023-11-21 21:03:54,857 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.926954732510288 [2023-11-21 21:03:54,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2023-11-21 21:03:54,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2023-11-21 21:03:54,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:54,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2023-11-21 21:03:54,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 21:03:54,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:54,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:54,865 INFO L175 Difference]: Start difference. First operand has 273 places, 260 transitions, 619 flow. Second operand 3 states and 901 transitions. [2023-11-21 21:03:54,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 260 transitions, 650 flow [2023-11-21 21:03:54,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 260 transitions, 628 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 21:03:54,876 INFO L231 Difference]: Finished difference. Result has 269 places, 259 transitions, 599 flow [2023-11-21 21:03:54,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=267, 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=599, PETRI_PLACES=269, PETRI_TRANSITIONS=259} [2023-11-21 21:03:54,877 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -23 predicate places. [2023-11-21 21:03:54,877 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 259 transitions, 599 flow [2023-11-21 21:03:54,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states 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 21:03:54,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:54,878 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, 1, 1] [2023-11-21 21:03:54,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 21:03:54,879 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-21 21:03:54,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1366308838, now seen corresponding path program 1 times [2023-11-21 21:03:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:54,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482273094] [2023-11-21 21:03:54,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:54,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:54,962 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 21:03:54,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:54,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482273094] [2023-11-21 21:03:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482273094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:54,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:54,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:54,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739023233] [2023-11-21 21:03:54,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:54,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:54,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:54,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:54,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:55,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 324 [2023-11-21 21:03:55,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 259 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states 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 21:03:55,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:55,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 324 [2023-11-21 21:03:55,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:55,184 INFO L124 PetriNetUnfolderBase]: 50/754 cut-off events. [2023-11-21 21:03:55,184 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2023-11-21 21:03:55,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 754 events. 50/754 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3366 event pairs, 26 based on Foata normal form. 0/721 useless extension candidates. Maximal degree in co-relation 924. Up to 85 conditions per place. [2023-11-21 21:03:55,191 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 0 selfloop transitions, 0 changer transitions 259/259 dead transitions. [2023-11-21 21:03:55,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 259 transitions, 630 flow [2023-11-21 21:03:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2023-11-21 21:03:55,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.926954732510288 [2023-11-21 21:03:55,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2023-11-21 21:03:55,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2023-11-21 21:03:55,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:55,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2023-11-21 21:03:55,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 21:03:55,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:55,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 324.0) internal successors, (1296), 4 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states 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 21:03:55,204 INFO L175 Difference]: Start difference. First operand has 269 places, 259 transitions, 599 flow. Second operand 3 states and 901 transitions. [2023-11-21 21:03:55,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 259 transitions, 630 flow [2023-11-21 21:03:55,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 259 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:55,210 INFO L231 Difference]: Finished difference. Result has 268 places, 0 transitions, 0 flow [2023-11-21 21:03:55,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=593, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=268, PETRI_TRANSITIONS=0} [2023-11-21 21:03:55,212 INFO L281 CegarLoopForPetriNet]: 292 programPoint places, -24 predicate places. [2023-11-21 21:03:55,212 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 0 transitions, 0 flow [2023-11-21 21:03:55,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states 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 21:03:55,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2023-11-21 21:03:55,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2023-11-21 21:03:55,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2023-11-21 21:03:55,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2023-11-21 21:03:55,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2023-11-21 21:03:55,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2023-11-21 21:03:55,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2023-11-21 21:03:55,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2023-11-21 21:03:55,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2023-11-21 21:03:55,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2023-11-21 21:03:55,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2023-11-21 21:03:55,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2023-11-21 21:03:55,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2023-11-21 21:03:55,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2023-11-21 21:03:55,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2023-11-21 21:03:55,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2023-11-21 21:03:55,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2023-11-21 21:03:55,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2023-11-21 21:03:55,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2023-11-21 21:03:55,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2023-11-21 21:03:55,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2023-11-21 21:03:55,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2023-11-21 21:03:55,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2023-11-21 21:03:55,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2023-11-21 21:03:55,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2023-11-21 21:03:55,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2023-11-21 21:03:55,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2023-11-21 21:03:55,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2023-11-21 21:03:55,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2023-11-21 21:03:55,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2023-11-21 21:03:55,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2023-11-21 21:03:55,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2023-11-21 21:03:55,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2023-11-21 21:03:55,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2023-11-21 21:03:55,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 59 remaining) [2023-11-21 21:03:55,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2023-11-21 21:03:55,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2023-11-21 21:03:55,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2023-11-21 21:03:55,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2023-11-21 21:03:55,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2023-11-21 21:03:55,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2023-11-21 21:03:55,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2023-11-21 21:03:55,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2023-11-21 21:03:55,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2023-11-21 21:03:55,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2023-11-21 21:03:55,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2023-11-21 21:03:55,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2023-11-21 21:03:55,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2023-11-21 21:03:55,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2023-11-21 21:03:55,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2023-11-21 21:03:55,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2023-11-21 21:03:55,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2023-11-21 21:03:55,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2023-11-21 21:03:55,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2023-11-21 21:03:55,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2023-11-21 21:03:55,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2023-11-21 21:03:55,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2023-11-21 21:03:55,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2023-11-21 21:03:55,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2023-11-21 21:03:55,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 21:03:55,231 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:55,238 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 21:03:55,238 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:03:55,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:55 BasicIcfg [2023-11-21 21:03:55,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:03:55,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:03:55,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:03:55,246 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:03:55,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:43" (3/4) ... [2023-11-21 21:03:55,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:03:55,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 21:03:55,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 21:03:55,263 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 21:03:55,264 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 21:03:55,265 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 21:03:55,265 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:03:55,398 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:03:55,399 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:03:55,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:03:55,400 INFO L158 Benchmark]: Toolchain (without parser) took 12960.67ms. Allocated memory was 151.0MB in the beginning and 331.4MB in the end (delta: 180.4MB). Free memory was 112.4MB in the beginning and 150.8MB in the end (delta: -38.4MB). Peak memory consumption was 143.8MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,400 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:55,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.83ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 99.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.19ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 97.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,402 INFO L158 Benchmark]: Boogie Preprocessor took 44.17ms. Allocated memory is still 151.0MB. Free memory was 97.0MB in the beginning and 94.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,402 INFO L158 Benchmark]: RCFGBuilder took 844.55ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 107.1MB in the end (delta: -12.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,403 INFO L158 Benchmark]: TraceAbstraction took 11427.11ms. Allocated memory was 151.0MB in the beginning and 331.4MB in the end (delta: 180.4MB). Free memory was 106.5MB in the beginning and 156.1MB in the end (delta: -49.6MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,403 INFO L158 Benchmark]: Witness Printer took 153.65ms. Allocated memory is still 331.4MB. Free memory was 156.1MB in the beginning and 150.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 21:03:55,406 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 111.1MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.83ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 99.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.19ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 97.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.17ms. Allocated memory is still 151.0MB. Free memory was 97.0MB in the beginning and 94.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.55ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 107.1MB in the end (delta: -12.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11427.11ms. Allocated memory was 151.0MB in the beginning and 331.4MB in the end (delta: 180.4MB). Free memory was 106.5MB in the beginning and 156.1MB in the end (delta: -49.6MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Witness Printer took 153.65ms. Allocated memory is still 331.4MB. Free memory was 156.1MB in the beginning and 150.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 61]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 457 locations, 59 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: 11.2s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1113 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 519 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 360 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1701 IncrementalHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 360 mSolverCounterUnsat, 145 mSDtfsCounter, 1701 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=16, InterpolantAutomatonStates: 73, 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, 3.8s InterpolantComputationTime, 1656 NumberOfCodeBlocks, 1656 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1638 ConstructedInterpolants, 0 QuantifiedInterpolants, 2513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 21:03:55,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10ad6b0f-4e52-441c-b7cd-2e937d11a3a9/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