./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:26:05,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:26:05,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 01:26:05,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:26:05,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:26:05,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:26:05,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:26:05,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:26:05,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:26:05,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:26:05,389 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:26:05,389 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:26:05,390 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:26:05,392 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:26:05,392 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:26:05,392 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:26:05,393 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:26:05,393 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:26:05,394 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:26:05,398 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:26:05,399 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:26:05,399 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:26:05,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:26:05,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:26:05,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:26:05,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:26:05,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:26:05,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:26:05,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:26:05,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:26:05,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:26:05,411 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 01:26:05,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:26:05,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:26:05,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:26:05,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:26:05,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:26:05,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:26:05,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:26:05,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:26:05,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:26:05,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:26:05,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:26:05,417 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:26:05,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:26:05,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:26:05,418 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:26:05,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:26:05,418 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2024-11-09 01:26:05,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:26:05,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:26:05,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:26:05,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:26:05,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:26:05,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c Unable to find full path for "g++" [2024-11-09 01:26:08,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:26:08,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:26:08,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2024-11-09 01:26:08,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/data/c4caeb2db/1a30ec241e1f4988ac16286ad58aab9f/FLAG58764a38d [2024-11-09 01:26:09,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/data/c4caeb2db/1a30ec241e1f4988ac16286ad58aab9f [2024-11-09 01:26:09,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:26:09,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:26:09,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:26:09,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:26:09,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:26:09,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc5ccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09, skipping insertion in model container [2024-11-09 01:26:09,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:26:09,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:26:09,426 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:26:09,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:26:09,534 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:26:09,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09 WrapperNode [2024-11-09 01:26:09,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:26:09,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:26:09,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:26:09,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:26:09,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,619 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 465 [2024-11-09 01:26:09,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:26:09,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:26:09,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:26:09,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:26:09,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:26:09,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:26:09,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:26:09,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:26:09,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (1/1) ... [2024-11-09 01:26:09,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:26:09,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:26:09,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:26:09,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3b6402-0657-4f75-8526-3b90e96e4ca7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:26:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:26:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 01:26:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 01:26:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 01:26:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 01:26:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:26:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:26:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 01:26:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:26:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:26:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:26:09,813 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 01:26:10,085 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:26:10,090 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:26:11,187 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 01:26:11,187 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:26:11,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:26:11,238 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 01:26:11,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:26:11 BoogieIcfgContainer [2024-11-09 01:26:11,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:26:11,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:26:11,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:26:11,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:26:11,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:26:09" (1/3) ... [2024-11-09 01:26:11,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5510995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:26:11, skipping insertion in model container [2024-11-09 01:26:11,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:26:09" (2/3) ... [2024-11-09 01:26:11,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5510995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:26:11, skipping insertion in model container [2024-11-09 01:26:11,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:26:11" (3/3) ... [2024-11-09 01:26:11,252 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2024-11-09 01:26:11,278 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:26:11,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-11-09 01:26:11,279 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 01:26:11,634 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 01:26:11,698 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 602 places, 629 transitions, 1272 flow [2024-11-09 01:26:15,200 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 65102 states, 64474 states have (on average 2.796289977355213) internal successors, (180288), 65101 states have internal predecessors, (180288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:15,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:26:15,440 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@b3a08c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:26:15,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2024-11-09 01:26:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 65102 states, 64474 states have (on average 2.796289977355213) internal successors, (180288), 65101 states have internal predecessors, (180288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 01:26:15,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:15,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:26:15,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:15,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash 845741069, now seen corresponding path program 1 times [2024-11-09 01:26:15,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:15,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775679402] [2024-11-09 01:26:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:15,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:15,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775679402] [2024-11-09 01:26:15,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775679402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:15,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:15,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:15,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054682661] [2024-11-09 01:26:15,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:15,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:15,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:15,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:15,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:15,946 INFO L87 Difference]: Start difference. First operand has 65102 states, 64474 states have (on average 2.796289977355213) internal successors, (180288), 65101 states have internal predecessors, (180288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:18,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:18,638 INFO L93 Difference]: Finished difference Result 130164 states and 360535 transitions. [2024-11-09 01:26:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:18,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 01:26:18,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:19,390 INFO L225 Difference]: With dead ends: 130164 [2024-11-09 01:26:19,390 INFO L226 Difference]: Without dead ends: 64957 [2024-11-09 01:26:19,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:19,606 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 2 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:19,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1155 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:26:19,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64957 states. [2024-11-09 01:26:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64957 to 64957. [2024-11-09 01:26:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64957 states, 64190 states have (on average 2.7395856052344603) internal successors, (175854), 64956 states have internal predecessors, (175854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64957 states to 64957 states and 175854 transitions. [2024-11-09 01:26:23,707 INFO L78 Accepts]: Start accepts. Automaton has 64957 states and 175854 transitions. Word has length 20 [2024-11-09 01:26:23,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:23,708 INFO L471 AbstractCegarLoop]: Abstraction has 64957 states and 175854 transitions. [2024-11-09 01:26:23,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 64957 states and 175854 transitions. [2024-11-09 01:26:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 01:26:23,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:23,713 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:23,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:26:23,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:23,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:23,717 INFO L85 PathProgramCache]: Analyzing trace with hash 444795242, now seen corresponding path program 1 times [2024-11-09 01:26:23,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:23,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988392439] [2024-11-09 01:26:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:23,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:23,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:23,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988392439] [2024-11-09 01:26:23,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988392439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:23,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:23,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:23,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608222536] [2024-11-09 01:26:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:23,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:23,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:23,882 INFO L87 Difference]: Start difference. First operand 64957 states and 175854 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:24,839 INFO L93 Difference]: Finished difference Result 64957 states and 175854 transitions. [2024-11-09 01:26:24,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:24,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-09 01:26:24,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:25,313 INFO L225 Difference]: With dead ends: 64957 [2024-11-09 01:26:25,314 INFO L226 Difference]: Without dead ends: 64956 [2024-11-09 01:26:25,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:25,360 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 2 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:25,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1129 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:26:25,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64956 states. [2024-11-09 01:26:28,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64956 to 64956. [2024-11-09 01:26:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64956 states, 64190 states have (on average 2.739570026483876) internal successors, (175853), 64955 states have internal predecessors, (175853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64956 states to 64956 states and 175853 transitions. [2024-11-09 01:26:28,514 INFO L78 Accepts]: Start accepts. Automaton has 64956 states and 175853 transitions. Word has length 28 [2024-11-09 01:26:28,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:28,516 INFO L471 AbstractCegarLoop]: Abstraction has 64956 states and 175853 transitions. [2024-11-09 01:26:28,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 64956 states and 175853 transitions. [2024-11-09 01:26:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 01:26:28,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:28,519 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:28,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:26:28,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:28,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:28,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1477794088, now seen corresponding path program 1 times [2024-11-09 01:26:28,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:28,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504449407] [2024-11-09 01:26:28,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:28,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:28,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504449407] [2024-11-09 01:26:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504449407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:28,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:28,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746153543] [2024-11-09 01:26:28,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:28,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:28,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:28,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:28,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:28,639 INFO L87 Difference]: Start difference. First operand 64956 states and 175853 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:29,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:29,953 INFO L93 Difference]: Finished difference Result 64956 states and 175853 transitions. [2024-11-09 01:26:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:29,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-09 01:26:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:30,362 INFO L225 Difference]: With dead ends: 64956 [2024-11-09 01:26:30,363 INFO L226 Difference]: Without dead ends: 62326 [2024-11-09 01:26:30,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:30,398 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 536 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:30,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 590 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:26:30,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62326 states. [2024-11-09 01:26:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62326 to 62326. [2024-11-09 01:26:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62326 states, 61721 states have (on average 2.734677014306314) internal successors, (168787), 62325 states have internal predecessors, (168787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62326 states to 62326 states and 168787 transitions. [2024-11-09 01:26:32,746 INFO L78 Accepts]: Start accepts. Automaton has 62326 states and 168787 transitions. Word has length 32 [2024-11-09 01:26:32,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:32,746 INFO L471 AbstractCegarLoop]: Abstraction has 62326 states and 168787 transitions. [2024-11-09 01:26:32,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 62326 states and 168787 transitions. [2024-11-09 01:26:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 01:26:32,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:32,750 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:32,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:26:32,751 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:32,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:32,752 INFO L85 PathProgramCache]: Analyzing trace with hash 384245533, now seen corresponding path program 1 times [2024-11-09 01:26:32,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:32,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974927504] [2024-11-09 01:26:32,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:32,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:32,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:32,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974927504] [2024-11-09 01:26:32,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974927504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:32,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:32,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:32,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362327898] [2024-11-09 01:26:32,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:32,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:32,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:32,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:32,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:32,882 INFO L87 Difference]: Start difference. First operand 62326 states and 168787 transitions. Second operand has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:34,349 INFO L93 Difference]: Finished difference Result 62326 states and 168787 transitions. [2024-11-09 01:26:34,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:34,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-09 01:26:34,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:34,744 INFO L225 Difference]: With dead ends: 62326 [2024-11-09 01:26:34,745 INFO L226 Difference]: Without dead ends: 62325 [2024-11-09 01:26:34,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:34,773 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 2 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:34,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1109 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:26:34,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62325 states. [2024-11-09 01:26:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62325 to 62325. [2024-11-09 01:26:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62325 states, 61721 states have (on average 2.7346608123653215) internal successors, (168786), 62324 states have internal predecessors, (168786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62325 states to 62325 states and 168786 transitions. [2024-11-09 01:26:36,756 INFO L78 Accepts]: Start accepts. Automaton has 62325 states and 168786 transitions. Word has length 70 [2024-11-09 01:26:36,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:36,757 INFO L471 AbstractCegarLoop]: Abstraction has 62325 states and 168786 transitions. [2024-11-09 01:26:36,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 62325 states and 168786 transitions. [2024-11-09 01:26:36,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 01:26:36,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:36,759 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:36,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:26:36,760 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:36,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:36,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1899343071, now seen corresponding path program 1 times [2024-11-09 01:26:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:36,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920911644] [2024-11-09 01:26:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:37,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920911644] [2024-11-09 01:26:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920911644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:37,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:37,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:26:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43139104] [2024-11-09 01:26:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:37,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:26:37,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:26:37,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:26:37,681 INFO L87 Difference]: Start difference. First operand 62325 states and 168786 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:39,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:39,286 INFO L93 Difference]: Finished difference Result 62325 states and 168786 transitions. [2024-11-09 01:26:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:26:39,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-09 01:26:39,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:39,677 INFO L225 Difference]: With dead ends: 62325 [2024-11-09 01:26:39,677 INFO L226 Difference]: Without dead ends: 62324 [2024-11-09 01:26:39,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:26:39,708 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 2 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:39,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1550 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:26:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62324 states. [2024-11-09 01:26:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62324 to 62324. [2024-11-09 01:26:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62324 states, 61721 states have (on average 2.7346446104243287) internal successors, (168785), 62323 states have internal predecessors, (168785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62324 states to 62324 states and 168785 transitions. [2024-11-09 01:26:41,881 INFO L78 Accepts]: Start accepts. Automaton has 62324 states and 168785 transitions. Word has length 71 [2024-11-09 01:26:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:41,882 INFO L471 AbstractCegarLoop]: Abstraction has 62324 states and 168785 transitions. [2024-11-09 01:26:41,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 62324 states and 168785 transitions. [2024-11-09 01:26:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 01:26:41,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:41,885 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:41,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:26:41,886 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:41,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:41,886 INFO L85 PathProgramCache]: Analyzing trace with hash -837358366, now seen corresponding path program 1 times [2024-11-09 01:26:41,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:41,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967234487] [2024-11-09 01:26:41,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:41,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:41,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:41,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967234487] [2024-11-09 01:26:41,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967234487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:41,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:41,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:41,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743499148] [2024-11-09 01:26:41,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:41,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:41,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:41,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:41,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:41,971 INFO L87 Difference]: Start difference. First operand 62324 states and 168785 transitions. Second operand has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:42,757 INFO L93 Difference]: Finished difference Result 62345 states and 168837 transitions. [2024-11-09 01:26:42,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:42,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-09 01:26:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:43,928 INFO L225 Difference]: With dead ends: 62345 [2024-11-09 01:26:43,928 INFO L226 Difference]: Without dead ends: 60375 [2024-11-09 01:26:43,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:43,959 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 471 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:43,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 674 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:26:44,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60375 states. [2024-11-09 01:26:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60375 to 60354. [2024-11-09 01:26:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60354 states, 59860 states have (on average 2.7311226194453724) internal successors, (163485), 60353 states have internal predecessors, (163485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60354 states to 60354 states and 163485 transitions. [2024-11-09 01:26:46,114 INFO L78 Accepts]: Start accepts. Automaton has 60354 states and 163485 transitions. Word has length 80 [2024-11-09 01:26:46,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:46,115 INFO L471 AbstractCegarLoop]: Abstraction has 60354 states and 163485 transitions. [2024-11-09 01:26:46,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 60354 states and 163485 transitions. [2024-11-09 01:26:46,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 01:26:46,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:46,118 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:46,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 01:26:46,118 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:46,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:46,119 INFO L85 PathProgramCache]: Analyzing trace with hash -571603335, now seen corresponding path program 1 times [2024-11-09 01:26:46,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:46,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904014160] [2024-11-09 01:26:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:46,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:46,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904014160] [2024-11-09 01:26:46,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904014160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:46,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:46,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:46,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358084084] [2024-11-09 01:26:46,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:46,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:46,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:46,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:46,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:46,180 INFO L87 Difference]: Start difference. First operand 60354 states and 163485 transitions. Second operand has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:46,744 INFO L93 Difference]: Finished difference Result 60354 states and 163485 transitions. [2024-11-09 01:26:46,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:46,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-09 01:26:46,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:47,100 INFO L225 Difference]: With dead ends: 60354 [2024-11-09 01:26:47,101 INFO L226 Difference]: Without dead ends: 56753 [2024-11-09 01:26:47,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:47,134 INFO L432 NwaCegarLoop]: 976 mSDtfsCounter, 451 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:47,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1499 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:26:47,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56753 states. [2024-11-09 01:26:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56753 to 56753. [2024-11-09 01:26:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56753 states, 56452 states have (on average 2.72406646354425) internal successors, (153779), 56752 states have internal predecessors, (153779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56753 states to 56753 states and 153779 transitions. [2024-11-09 01:26:49,294 INFO L78 Accepts]: Start accepts. Automaton has 56753 states and 153779 transitions. Word has length 83 [2024-11-09 01:26:49,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:49,295 INFO L471 AbstractCegarLoop]: Abstraction has 56753 states and 153779 transitions. [2024-11-09 01:26:49,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 56753 states and 153779 transitions. [2024-11-09 01:26:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 01:26:49,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:49,300 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:49,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 01:26:49,300 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:49,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1391512794, now seen corresponding path program 1 times [2024-11-09 01:26:49,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:49,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103125789] [2024-11-09 01:26:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:49,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:49,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103125789] [2024-11-09 01:26:49,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103125789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:49,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:49,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:49,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439319837] [2024-11-09 01:26:49,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:49,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:49,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:49,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:49,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:49,381 INFO L87 Difference]: Start difference. First operand 56753 states and 153779 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:50,946 INFO L93 Difference]: Finished difference Result 56753 states and 153779 transitions. [2024-11-09 01:26:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:50,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-09 01:26:50,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:51,306 INFO L225 Difference]: With dead ends: 56753 [2024-11-09 01:26:51,306 INFO L226 Difference]: Without dead ends: 52834 [2024-11-09 01:26:51,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:51,333 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 312 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:51,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 775 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:26:51,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52834 states. [2024-11-09 01:26:52,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52834 to 52834. [2024-11-09 01:26:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52834 states, 52669 states have (on average 2.720176954185574) internal successors, (143269), 52833 states have internal predecessors, (143269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52834 states to 52834 states and 143269 transitions. [2024-11-09 01:26:53,739 INFO L78 Accepts]: Start accepts. Automaton has 52834 states and 143269 transitions. Word has length 89 [2024-11-09 01:26:53,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:53,740 INFO L471 AbstractCegarLoop]: Abstraction has 52834 states and 143269 transitions. [2024-11-09 01:26:53,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:53,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52834 states and 143269 transitions. [2024-11-09 01:26:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 01:26:53,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:53,744 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:53,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 01:26:53,745 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:53,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash -813850258, now seen corresponding path program 1 times [2024-11-09 01:26:53,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:53,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461634371] [2024-11-09 01:26:53,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:53,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:53,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:53,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461634371] [2024-11-09 01:26:53,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461634371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:53,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:53,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:26:53,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971845186] [2024-11-09 01:26:53,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:53,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:53,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:53,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:53,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:53,826 INFO L87 Difference]: Start difference. First operand 52834 states and 143269 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:54,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:54,252 INFO L93 Difference]: Finished difference Result 61552 states and 167400 transitions. [2024-11-09 01:26:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:54,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-09 01:26:54,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:54,492 INFO L225 Difference]: With dead ends: 61552 [2024-11-09 01:26:54,492 INFO L226 Difference]: Without dead ends: 59182 [2024-11-09 01:26:54,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:54,517 INFO L432 NwaCegarLoop]: 664 mSDtfsCounter, 421 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:54,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 901 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:26:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59182 states. [2024-11-09 01:26:56,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59182 to 50464. [2024-11-09 01:26:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50464 states, 50372 states have (on average 2.717640752799174) internal successors, (136893), 50463 states have internal predecessors, (136893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50464 states to 50464 states and 136893 transitions. [2024-11-09 01:26:56,337 INFO L78 Accepts]: Start accepts. Automaton has 50464 states and 136893 transitions. Word has length 94 [2024-11-09 01:26:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:56,338 INFO L471 AbstractCegarLoop]: Abstraction has 50464 states and 136893 transitions. [2024-11-09 01:26:56,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 50464 states and 136893 transitions. [2024-11-09 01:26:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 01:26:56,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:56,346 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:26:56,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 01:26:56,347 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:26:56,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1040426860, now seen corresponding path program 1 times [2024-11-09 01:26:56,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:56,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275171799] [2024-11-09 01:26:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:26:56,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:56,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275171799] [2024-11-09 01:26:56,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275171799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:56,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:56,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:26:56,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255806542] [2024-11-09 01:26:56,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:56,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:26:56,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:56,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:26:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:26:56,507 INFO L87 Difference]: Start difference. First operand 50464 states and 136893 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:26:58,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:58,683 INFO L93 Difference]: Finished difference Result 137014 states and 372182 transitions. [2024-11-09 01:26:58,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:26:58,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-09 01:26:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:59,135 INFO L225 Difference]: With dead ends: 137014 [2024-11-09 01:26:59,135 INFO L226 Difference]: Without dead ends: 88825 [2024-11-09 01:26:59,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:26:59,272 INFO L432 NwaCegarLoop]: 893 mSDtfsCounter, 1205 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:59,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 2203 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:26:59,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88825 states. [2024-11-09 01:27:02,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88825 to 58108. [2024-11-09 01:27:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58108 states, 58016 states have (on average 2.7330908714837285) internal successors, (158563), 58107 states have internal predecessors, (158563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:27:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58108 states to 58108 states and 158563 transitions. [2024-11-09 01:27:02,775 INFO L78 Accepts]: Start accepts. Automaton has 58108 states and 158563 transitions. Word has length 102 [2024-11-09 01:27:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:27:02,776 INFO L471 AbstractCegarLoop]: Abstraction has 58108 states and 158563 transitions. [2024-11-09 01:27:02,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:27:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 58108 states and 158563 transitions. [2024-11-09 01:27:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 01:27:02,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:27:02,801 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:27:02,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 01:27:02,801 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:27:02,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:27:02,802 INFO L85 PathProgramCache]: Analyzing trace with hash -937331836, now seen corresponding path program 1 times [2024-11-09 01:27:02,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:27:02,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125843490] [2024-11-09 01:27:02,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:27:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:27:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:27:04,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:27:04,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125843490] [2024-11-09 01:27:04,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125843490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:27:04,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:27:04,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:27:04,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007536247] [2024-11-09 01:27:04,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:27:04,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:27:04,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:27:04,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:27:04,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:27:04,598 INFO L87 Difference]: Start difference. First operand 58108 states and 158563 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:27:06,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:27:06,812 INFO L93 Difference]: Finished difference Result 58108 states and 158563 transitions. [2024-11-09 01:27:06,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:27:06,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-09 01:27:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:27:07,126 INFO L225 Difference]: With dead ends: 58108 [2024-11-09 01:27:07,126 INFO L226 Difference]: Without dead ends: 57016 [2024-11-09 01:27:07,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:27:07,155 INFO L432 NwaCegarLoop]: 1792 mSDtfsCounter, 1389 mSDsluCounter, 2794 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 4586 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:27:07,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 4586 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 01:27:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57016 states. [2024-11-09 01:27:08,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57016 to 57016. [2024-11-09 01:27:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57016 states, 56952 states have (on average 2.732406236831016) internal successors, (155616), 57015 states have internal predecessors, (155616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:27:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57016 states to 57016 states and 155616 transitions. [2024-11-09 01:27:09,270 INFO L78 Accepts]: Start accepts. Automaton has 57016 states and 155616 transitions. Word has length 107 [2024-11-09 01:27:09,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:27:09,271 INFO L471 AbstractCegarLoop]: Abstraction has 57016 states and 155616 transitions. [2024-11-09 01:27:09,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:27:09,271 INFO L276 IsEmpty]: Start isEmpty. Operand 57016 states and 155616 transitions. [2024-11-09 01:27:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 01:27:09,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:27:09,289 INFO L215 NwaCegarLoop]: 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] [2024-11-09 01:27:09,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 01:27:09,289 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2024-11-09 01:27:09,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:27:09,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1374710929, now seen corresponding path program 1 times [2024-11-09 01:27:09,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:27:09,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69964722] [2024-11-09 01:27:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:09,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:27:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:27:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:27:09,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:27:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69964722] [2024-11-09 01:27:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69964722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:27:09,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:27:09,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:27:09,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977913824] [2024-11-09 01:27:09,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:27:09,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:27:09,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:27:09,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:27:09,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:27:09,479 INFO L87 Difference]: Start difference. First operand 57016 states and 155616 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:27:11,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:27:11,521 INFO L93 Difference]: Finished difference Result 138802 states and 379884 transitions. [2024-11-09 01:27:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:27:11,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-09 01:27:11,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:27:11,988 INFO L225 Difference]: With dead ends: 138802 [2024-11-09 01:27:11,988 INFO L226 Difference]: Without dead ends: 82503 [2024-11-09 01:27:12,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:27:12,135 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 334 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:27:12,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1376 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:27:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82503 states.