./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E --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 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:32:54,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:32:54,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 05:32:54,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:32:54,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:32:54,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:32:54,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:32:54,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:32:54,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:32:54,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:32:54,885 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:32:54,885 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:32:54,885 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:32:54,885 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:32:54,885 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:32:54,885 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:32:54,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:32:54,886 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:32:54,887 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:32:54,888 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:32:54,888 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:32:54,888 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:32:54,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:32:54,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:32:54,889 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:32:54,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:32:54,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:32:54,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:32:54,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:32:54,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:32:54,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:54,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:32:54,891 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E 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 -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2024-11-14 05:32:55,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:32:55,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:32:55,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:32:55,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:32:55,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:32:55,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c Unable to find full path for "g++" [2024-11-14 05:32:57,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:32:57,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:32:57,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2024-11-14 05:32:57,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/data/818d4cc8b/f227d62912cb467e9bf9ed6dd7757045/FLAGa9123ef86 [2024-11-14 05:32:57,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/data/818d4cc8b/f227d62912cb467e9bf9ed6dd7757045 [2024-11-14 05:32:57,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:32:57,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:32:57,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:57,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:32:57,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:32:57,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:57" (1/1) ... [2024-11-14 05:32:57,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f981e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:57, skipping insertion in model container [2024-11-14 05:32:57,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:57" (1/1) ... [2024-11-14 05:32:57,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:32:57,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:57,994 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:32:58,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:58,084 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:32:58,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58 WrapperNode [2024-11-14 05:32:58,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:58,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:58,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:32:58,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:32:58,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,143 INFO L138 Inliner]: procedures = 24, calls = 49, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 607 [2024-11-14 05:32:58,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:58,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:32:58,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:32:58,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:32:58,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:32:58,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:32:58,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:32:58,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:32:58,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (1/1) ... [2024-11-14 05:32:58,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:58,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:32:58,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:32:58,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2356d93-36ad-419e-91c9-938407690426/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:32:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:32:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 05:32:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 05:32:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 05:32:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 05:32:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 05:32:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 05:32:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:32:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:32:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:32:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:32:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:32:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:32:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:32:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:32:58,276 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:32:58,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:32:58,423 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:32:59,642 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:32:59,643 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:33:00,341 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:33:00,342 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-14 05:33:00,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:00 BoogieIcfgContainer [2024-11-14 05:33:00,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:33:00,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:33:00,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:33:00,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:33:00,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:32:57" (1/3) ... [2024-11-14 05:33:00,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aace3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:00, skipping insertion in model container [2024-11-14 05:33:00,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:58" (2/3) ... [2024-11-14 05:33:00,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aace3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:00, skipping insertion in model container [2024-11-14 05:33:00,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:00" (3/3) ... [2024-11-14 05:33:00,355 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2024-11-14 05:33:00,395 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:33:00,397 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-ring-nondet.wvr.c that has 4 procedures, 462 locations, 1 initial locations, 6 loop locations, and 90 error locations. [2024-11-14 05:33:00,397 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:33:00,588 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 05:33:00,656 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 471 places, 487 transitions, 995 flow [2024-11-14 05:33:10,848 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 217401 states, 206187 states have (on average 4.016344386406514) internal successors, (828118), 217400 states have internal predecessors, (828118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:10,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:33:10,925 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;@2f4b4355, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:33:10,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 159 error locations. [2024-11-14 05:33:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 217401 states, 206187 states have (on average 4.016344386406514) internal successors, (828118), 217400 states have internal predecessors, (828118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 05:33:11,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:11,614 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] [2024-11-14 05:33:11,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:11,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:11,621 INFO L85 PathProgramCache]: Analyzing trace with hash -371415393, now seen corresponding path program 1 times [2024-11-14 05:33:11,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:11,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084503086] [2024-11-14 05:33:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:11,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:12,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:12,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084503086] [2024-11-14 05:33:12,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084503086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:12,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:12,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:12,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194484304] [2024-11-14 05:33:12,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:12,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:12,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:12,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:12,516 INFO L87 Difference]: Start difference. First operand has 217401 states, 206187 states have (on average 4.016344386406514) internal successors, (828118), 217400 states have internal predecessors, (828118), 0 states have call successors, (0), 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 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:17,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:17,842 INFO L93 Difference]: Finished difference Result 242981 states and 1013836 transitions. [2024-11-14 05:33:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:17,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2024-11-14 05:33:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:19,233 INFO L225 Difference]: With dead ends: 242981 [2024-11-14 05:33:19,234 INFO L226 Difference]: Without dead ends: 25210 [2024-11-14 05:33:19,631 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 [2024-11-14 05:33:19,641 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 2 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:19,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 743 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:33:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25210 states. [2024-11-14 05:33:21,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25210 to 25210. [2024-11-14 05:33:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25210 states, 25179 states have (on average 3.5669804201914292) internal successors, (89813), 25209 states have internal predecessors, (89813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25210 states to 25210 states and 89813 transitions. [2024-11-14 05:33:21,847 INFO L78 Accepts]: Start accepts. Automaton has 25210 states and 89813 transitions. Word has length 31 [2024-11-14 05:33:21,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:21,849 INFO L471 AbstractCegarLoop]: Abstraction has 25210 states and 89813 transitions. [2024-11-14 05:33:21,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 25210 states and 89813 transitions. [2024-11-14 05:33:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 05:33:21,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:21,853 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] [2024-11-14 05:33:21,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:33:21,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:21,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:21,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1143375072, now seen corresponding path program 1 times [2024-11-14 05:33:21,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:21,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778953072] [2024-11-14 05:33:21,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:21,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:21,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778953072] [2024-11-14 05:33:21,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778953072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:21,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:21,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:21,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304187126] [2024-11-14 05:33:21,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:21,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:21,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:21,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:21,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:21,962 INFO L87 Difference]: Start difference. First operand 25210 states and 89813 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:22,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:22,583 INFO L93 Difference]: Finished difference Result 25210 states and 89813 transitions. [2024-11-14 05:33:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:22,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2024-11-14 05:33:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:23,447 INFO L225 Difference]: With dead ends: 25210 [2024-11-14 05:33:23,447 INFO L226 Difference]: Without dead ends: 25209 [2024-11-14 05:33:23,461 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 [2024-11-14 05:33:23,462 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 2 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:23,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 725 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25209 states. [2024-11-14 05:33:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25209 to 25209. [2024-11-14 05:33:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25209 states, 25179 states have (on average 3.5669407045553836) internal successors, (89812), 25208 states have internal predecessors, (89812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25209 states to 25209 states and 89812 transitions. [2024-11-14 05:33:25,061 INFO L78 Accepts]: Start accepts. Automaton has 25209 states and 89812 transitions. Word has length 39 [2024-11-14 05:33:25,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:25,062 INFO L471 AbstractCegarLoop]: Abstraction has 25209 states and 89812 transitions. [2024-11-14 05:33:25,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 25209 states and 89812 transitions. [2024-11-14 05:33:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 05:33:25,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:25,067 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] [2024-11-14 05:33:25,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:33:25,067 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:25,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash -200378323, now seen corresponding path program 1 times [2024-11-14 05:33:25,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:25,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576107767] [2024-11-14 05:33:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:25,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:25,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576107767] [2024-11-14 05:33:25,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576107767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:25,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:25,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:25,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682271376] [2024-11-14 05:33:25,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:25,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:25,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:25,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:25,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:25,208 INFO L87 Difference]: Start difference. First operand 25209 states and 89812 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:25,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:25,721 INFO L93 Difference]: Finished difference Result 25209 states and 89812 transitions. [2024-11-14 05:33:25,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:25,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-14 05:33:25,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:26,109 INFO L225 Difference]: With dead ends: 25209 [2024-11-14 05:33:26,109 INFO L226 Difference]: Without dead ends: 25208 [2024-11-14 05:33:26,126 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 [2024-11-14 05:33:26,131 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 2 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:26,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 726 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:26,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25208 states. [2024-11-14 05:33:27,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25208 to 25208. [2024-11-14 05:33:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25208 states, 25179 states have (on average 3.5669009889193375) internal successors, (89811), 25207 states have internal predecessors, (89811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25208 states to 25208 states and 89811 transitions. [2024-11-14 05:33:27,920 INFO L78 Accepts]: Start accepts. Automaton has 25208 states and 89811 transitions. Word has length 47 [2024-11-14 05:33:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:27,920 INFO L471 AbstractCegarLoop]: Abstraction has 25208 states and 89811 transitions. [2024-11-14 05:33:27,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 25208 states and 89811 transitions. [2024-11-14 05:33:27,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-14 05:33:27,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:27,923 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] [2024-11-14 05:33:27,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:33:27,924 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:27,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:27,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1848472000, now seen corresponding path program 1 times [2024-11-14 05:33:27,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:27,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143367899] [2024-11-14 05:33:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:28,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:28,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143367899] [2024-11-14 05:33:28,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143367899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:28,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:28,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:28,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771731919] [2024-11-14 05:33:28,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:28,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:28,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:28,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:28,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:28,043 INFO L87 Difference]: Start difference. First operand 25208 states and 89811 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:28,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:28,367 INFO L93 Difference]: Finished difference Result 25208 states and 89811 transitions. [2024-11-14 05:33:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:28,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-14 05:33:28,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:28,654 INFO L225 Difference]: With dead ends: 25208 [2024-11-14 05:33:28,655 INFO L226 Difference]: Without dead ends: 25207 [2024-11-14 05:33:28,671 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 [2024-11-14 05:33:28,674 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 2 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:28,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 724 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25207 states. [2024-11-14 05:33:29,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25207 to 25207. [2024-11-14 05:33:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25207 states, 25179 states have (on average 3.566861273283292) internal successors, (89810), 25206 states have internal predecessors, (89810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25207 states to 25207 states and 89810 transitions. [2024-11-14 05:33:30,122 INFO L78 Accepts]: Start accepts. Automaton has 25207 states and 89810 transitions. Word has length 55 [2024-11-14 05:33:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:30,123 INFO L471 AbstractCegarLoop]: Abstraction has 25207 states and 89810 transitions. [2024-11-14 05:33:30,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 25207 states and 89810 transitions. [2024-11-14 05:33:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-14 05:33:30,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:30,124 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] [2024-11-14 05:33:30,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:33:30,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:30,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash -713028936, now seen corresponding path program 1 times [2024-11-14 05:33:30,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:30,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823654541] [2024-11-14 05:33:30,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:30,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:30,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:30,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823654541] [2024-11-14 05:33:30,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823654541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:30,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:30,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:30,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924783421] [2024-11-14 05:33:30,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:30,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:30,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:30,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:30,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:30,197 INFO L87 Difference]: Start difference. First operand 25207 states and 89810 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:30,753 INFO L93 Difference]: Finished difference Result 25207 states and 89810 transitions. [2024-11-14 05:33:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:30,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-11-14 05:33:30,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:31,065 INFO L225 Difference]: With dead ends: 25207 [2024-11-14 05:33:31,066 INFO L226 Difference]: Without dead ends: 24771 [2024-11-14 05:33:31,082 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 [2024-11-14 05:33:31,084 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 318 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:31,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 418 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:31,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24771 states. [2024-11-14 05:33:32,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24771 to 24771. [2024-11-14 05:33:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24771 states, 24745 states have (on average 3.5671044655485957) internal successors, (88268), 24770 states have internal predecessors, (88268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24771 states to 24771 states and 88268 transitions. [2024-11-14 05:33:32,663 INFO L78 Accepts]: Start accepts. Automaton has 24771 states and 88268 transitions. Word has length 59 [2024-11-14 05:33:32,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:32,664 INFO L471 AbstractCegarLoop]: Abstraction has 24771 states and 88268 transitions. [2024-11-14 05:33:32,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 24771 states and 88268 transitions. [2024-11-14 05:33:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 05:33:32,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:32,668 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] [2024-11-14 05:33:32,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:33:32,669 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:32,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:32,669 INFO L85 PathProgramCache]: Analyzing trace with hash 109561534, now seen corresponding path program 1 times [2024-11-14 05:33:32,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:32,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824519367] [2024-11-14 05:33:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:32,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:33,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:33,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824519367] [2024-11-14 05:33:33,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824519367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:33,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:33,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:33:33,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106868457] [2024-11-14 05:33:33,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:33,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:33:33,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:33,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:33:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:33:33,799 INFO L87 Difference]: Start difference. First operand 24771 states and 88268 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 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) [2024-11-14 05:33:35,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:35,063 INFO L93 Difference]: Finished difference Result 24771 states and 88268 transitions. [2024-11-14 05:33:35,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:33:35,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 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 [2024-11-14 05:33:35,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:35,379 INFO L225 Difference]: With dead ends: 24771 [2024-11-14 05:33:35,379 INFO L226 Difference]: Without dead ends: 24768 [2024-11-14 05:33:35,397 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 [2024-11-14 05:33:35,402 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 6 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:35,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1247 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 05:33:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24768 states. [2024-11-14 05:33:36,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24768 to 24768. [2024-11-14 05:33:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24768 states, 24745 states have (on average 3.5669832289351384) internal successors, (88265), 24767 states have internal predecessors, (88265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24768 states to 24768 states and 88265 transitions. [2024-11-14 05:33:36,858 INFO L78 Accepts]: Start accepts. Automaton has 24768 states and 88265 transitions. Word has length 89 [2024-11-14 05:33:36,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:36,859 INFO L471 AbstractCegarLoop]: Abstraction has 24768 states and 88265 transitions. [2024-11-14 05:33:36,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 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) [2024-11-14 05:33:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24768 states and 88265 transitions. [2024-11-14 05:33:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 05:33:36,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:36,860 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] [2024-11-14 05:33:36,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:33:36,861 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:36,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1249022044, now seen corresponding path program 1 times [2024-11-14 05:33:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919184865] [2024-11-14 05:33:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:36,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:36,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:36,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919184865] [2024-11-14 05:33:36,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919184865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:36,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:36,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:36,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471024985] [2024-11-14 05:33:36,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:36,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:36,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:36,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:36,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:36,925 INFO L87 Difference]: Start difference. First operand 24768 states and 88265 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) [2024-11-14 05:33:37,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:37,296 INFO L93 Difference]: Finished difference Result 24768 states and 88265 transitions. [2024-11-14 05:33:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:37,297 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 [2024-11-14 05:33:37,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:37,588 INFO L225 Difference]: With dead ends: 24768 [2024-11-14 05:33:37,588 INFO L226 Difference]: Without dead ends: 24767 [2024-11-14 05:33:37,602 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 [2024-11-14 05:33:37,604 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 2 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:37,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 712 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24767 states. [2024-11-14 05:33:38,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24767 to 24767. [2024-11-14 05:33:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24767 states, 24745 states have (on average 3.5669428167306525) internal successors, (88264), 24766 states have internal predecessors, (88264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24767 states to 24767 states and 88264 transitions. [2024-11-14 05:33:38,840 INFO L78 Accepts]: Start accepts. Automaton has 24767 states and 88264 transitions. Word has length 89 [2024-11-14 05:33:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:38,841 INFO L471 AbstractCegarLoop]: Abstraction has 24767 states and 88264 transitions. [2024-11-14 05:33:38,841 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) [2024-11-14 05:33:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 24767 states and 88264 transitions. [2024-11-14 05:33:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 05:33:38,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:38,842 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] [2024-11-14 05:33:38,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:33:38,842 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:38,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:38,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1337828151, now seen corresponding path program 1 times [2024-11-14 05:33:38,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:38,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051266833] [2024-11-14 05:33:38,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:38,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:38,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:38,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051266833] [2024-11-14 05:33:38,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051266833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:38,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:38,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:38,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289241085] [2024-11-14 05:33:38,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:38,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:38,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:38,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:38,912 INFO L87 Difference]: Start difference. First operand 24767 states and 88264 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:39,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:39,279 INFO L93 Difference]: Finished difference Result 24767 states and 88264 transitions. [2024-11-14 05:33:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:39,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-11-14 05:33:39,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:39,626 INFO L225 Difference]: With dead ends: 24767 [2024-11-14 05:33:39,626 INFO L226 Difference]: Without dead ends: 24766 [2024-11-14 05:33:39,643 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 [2024-11-14 05:33:39,645 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 265 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:39,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 463 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:33:39,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24766 states. [2024-11-14 05:33:40,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24766 to 24766. [2024-11-14 05:33:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24766 states, 24745 states have (on average 3.566902404526167) internal successors, (88263), 24765 states have internal predecessors, (88263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24766 states to 24766 states and 88263 transitions. [2024-11-14 05:33:41,022 INFO L78 Accepts]: Start accepts. Automaton has 24766 states and 88263 transitions. Word has length 93 [2024-11-14 05:33:41,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:41,023 INFO L471 AbstractCegarLoop]: Abstraction has 24766 states and 88263 transitions. [2024-11-14 05:33:41,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24766 states and 88263 transitions. [2024-11-14 05:33:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 05:33:41,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:41,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:41,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:33:41,024 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:41,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1282279663, now seen corresponding path program 1 times [2024-11-14 05:33:41,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:41,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809212497] [2024-11-14 05:33:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:41,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:41,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809212497] [2024-11-14 05:33:41,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809212497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:41,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:41,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025175856] [2024-11-14 05:33:41,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:41,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:41,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:41,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:41,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:41,127 INFO L87 Difference]: Start difference. First operand 24766 states and 88263 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:41,869 INFO L93 Difference]: Finished difference Result 24766 states and 88263 transitions. [2024-11-14 05:33:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:41,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2024-11-14 05:33:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:42,088 INFO L225 Difference]: With dead ends: 24766 [2024-11-14 05:33:42,088 INFO L226 Difference]: Without dead ends: 24765 [2024-11-14 05:33:42,096 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 [2024-11-14 05:33:42,097 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 2 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:42,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 711 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:33:42,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24765 states. [2024-11-14 05:33:42,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24765 to 24765. [2024-11-14 05:33:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24765 states, 24745 states have (on average 3.566861992321681) internal successors, (88262), 24764 states have internal predecessors, (88262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24765 states to 24765 states and 88262 transitions. [2024-11-14 05:33:43,231 INFO L78 Accepts]: Start accepts. Automaton has 24765 states and 88262 transitions. Word has length 123 [2024-11-14 05:33:43,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:43,231 INFO L471 AbstractCegarLoop]: Abstraction has 24765 states and 88262 transitions. [2024-11-14 05:33:43,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 24765 states and 88262 transitions. [2024-11-14 05:33:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-14 05:33:43,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:43,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:43,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:33:43,233 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:43,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:43,234 INFO L85 PathProgramCache]: Analyzing trace with hash 539497124, now seen corresponding path program 1 times [2024-11-14 05:33:43,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254287609] [2024-11-14 05:33:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:43,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:43,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254287609] [2024-11-14 05:33:43,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254287609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:43,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:43,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:43,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123520293] [2024-11-14 05:33:43,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:43,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:43,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:43,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:43,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:43,557 INFO L87 Difference]: Start difference. First operand 24765 states and 88262 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:43,915 INFO L93 Difference]: Finished difference Result 24765 states and 88262 transitions. [2024-11-14 05:33:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:43,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2024-11-14 05:33:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:44,097 INFO L225 Difference]: With dead ends: 24765 [2024-11-14 05:33:44,097 INFO L226 Difference]: Without dead ends: 24764 [2024-11-14 05:33:44,106 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 [2024-11-14 05:33:44,106 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 214 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:44,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 510 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:33:44,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24764 states. [2024-11-14 05:33:44,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24764 to 24764. [2024-11-14 05:33:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24764 states, 24745 states have (on average 3.566821580117195) internal successors, (88261), 24763 states have internal predecessors, (88261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24764 states to 24764 states and 88261 transitions. [2024-11-14 05:33:45,083 INFO L78 Accepts]: Start accepts. Automaton has 24764 states and 88261 transitions. Word has length 127 [2024-11-14 05:33:45,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:45,084 INFO L471 AbstractCegarLoop]: Abstraction has 24764 states and 88261 transitions. [2024-11-14 05:33:45,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 24764 states and 88261 transitions. [2024-11-14 05:33:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-14 05:33:45,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:45,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:45,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:33:45,086 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:45,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:45,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1686718697, now seen corresponding path program 1 times [2024-11-14 05:33:45,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:45,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462596] [2024-11-14 05:33:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:45,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:45,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:45,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462596] [2024-11-14 05:33:45,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:45,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:45,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:45,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975462735] [2024-11-14 05:33:45,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:45,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:45,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:45,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:45,167 INFO L87 Difference]: Start difference. First operand 24764 states and 88261 transitions. Second operand has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:45,540 INFO L93 Difference]: Finished difference Result 24764 states and 88261 transitions. [2024-11-14 05:33:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2024-11-14 05:33:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:45,961 INFO L225 Difference]: With dead ends: 24764 [2024-11-14 05:33:45,961 INFO L226 Difference]: Without dead ends: 24763 [2024-11-14 05:33:45,965 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 [2024-11-14 05:33:45,966 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 2 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:45,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 707 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24763 states. [2024-11-14 05:33:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24763 to 24763. [2024-11-14 05:33:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24763 states, 24745 states have (on average 3.5667811679127097) internal successors, (88260), 24762 states have internal predecessors, (88260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24763 states to 24763 states and 88260 transitions. [2024-11-14 05:33:46,692 INFO L78 Accepts]: Start accepts. Automaton has 24763 states and 88260 transitions. Word has length 157 [2024-11-14 05:33:46,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:46,692 INFO L471 AbstractCegarLoop]: Abstraction has 24763 states and 88260 transitions. [2024-11-14 05:33:46,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24763 states and 88260 transitions. [2024-11-14 05:33:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:33:46,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:46,693 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:46,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:33:46,694 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:46,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:46,694 INFO L85 PathProgramCache]: Analyzing trace with hash 323632707, now seen corresponding path program 1 times [2024-11-14 05:33:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:46,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427924445] [2024-11-14 05:33:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:46,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:46,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:46,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427924445] [2024-11-14 05:33:46,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427924445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:46,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:46,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:46,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459342616] [2024-11-14 05:33:46,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:46,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:46,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:46,771 INFO L87 Difference]: Start difference. First operand 24763 states and 88260 transitions. Second operand has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:47,682 INFO L93 Difference]: Finished difference Result 24763 states and 88260 transitions. [2024-11-14 05:33:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-14 05:33:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:48,002 INFO L225 Difference]: With dead ends: 24763 [2024-11-14 05:33:48,002 INFO L226 Difference]: Without dead ends: 24762 [2024-11-14 05:33:48,016 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 [2024-11-14 05:33:48,018 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 2 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:48,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 702 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:48,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24762 states. [2024-11-14 05:33:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24762 to 24762. [2024-11-14 05:33:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24762 states, 24745 states have (on average 3.566740755708224) internal successors, (88259), 24761 states have internal predecessors, (88259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24762 states to 24762 states and 88259 transitions. [2024-11-14 05:33:49,230 INFO L78 Accepts]: Start accepts. Automaton has 24762 states and 88259 transitions. Word has length 165 [2024-11-14 05:33:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:49,231 INFO L471 AbstractCegarLoop]: Abstraction has 24762 states and 88259 transitions. [2024-11-14 05:33:49,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 24762 states and 88259 transitions. [2024-11-14 05:33:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-14 05:33:49,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:49,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:49,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:33:49,233 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:49,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:49,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1238245230, now seen corresponding path program 1 times [2024-11-14 05:33:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:49,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856439225] [2024-11-14 05:33:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:49,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:49,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856439225] [2024-11-14 05:33:49,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856439225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:49,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:49,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:49,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136452979] [2024-11-14 05:33:49,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:49,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:49,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:49,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:49,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:49,325 INFO L87 Difference]: Start difference. First operand 24762 states and 88259 transitions. Second operand has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:49,816 INFO L93 Difference]: Finished difference Result 24762 states and 88259 transitions. [2024-11-14 05:33:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:49,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2024-11-14 05:33:49,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:50,110 INFO L225 Difference]: With dead ends: 24762 [2024-11-14 05:33:50,110 INFO L226 Difference]: Without dead ends: 24761 [2024-11-14 05:33:50,124 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 [2024-11-14 05:33:50,125 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 2 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:50,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 700 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:50,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24761 states. [2024-11-14 05:33:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24761 to 24761. [2024-11-14 05:33:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24761 states, 24745 states have (on average 3.5667003435037383) internal successors, (88258), 24760 states have internal predecessors, (88258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24761 states to 24761 states and 88258 transitions. [2024-11-14 05:33:51,239 INFO L78 Accepts]: Start accepts. Automaton has 24761 states and 88258 transitions. Word has length 173 [2024-11-14 05:33:51,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:51,240 INFO L471 AbstractCegarLoop]: Abstraction has 24761 states and 88258 transitions. [2024-11-14 05:33:51,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 24761 states and 88258 transitions. [2024-11-14 05:33:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-14 05:33:51,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:51,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:51,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:33:51,242 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:51,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:51,243 INFO L85 PathProgramCache]: Analyzing trace with hash -712743399, now seen corresponding path program 1 times [2024-11-14 05:33:51,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:51,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593241761] [2024-11-14 05:33:51,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:51,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:51,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593241761] [2024-11-14 05:33:51,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593241761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:51,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:51,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:51,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037389323] [2024-11-14 05:33:51,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:51,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:51,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:51,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:51,309 INFO L87 Difference]: Start difference. First operand 24761 states and 88258 transitions. Second operand has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:51,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:51,962 INFO L93 Difference]: Finished difference Result 24761 states and 88258 transitions. [2024-11-14 05:33:51,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:51,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2024-11-14 05:33:51,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:52,131 INFO L225 Difference]: With dead ends: 24761 [2024-11-14 05:33:52,131 INFO L226 Difference]: Without dead ends: 24760 [2024-11-14 05:33:52,138 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 [2024-11-14 05:33:52,138 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 2 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:52,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 698 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:33:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24760 states. [2024-11-14 05:33:52,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24760 to 24760. [2024-11-14 05:33:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24760 states, 24745 states have (on average 3.5666599312992524) internal successors, (88257), 24759 states have internal predecessors, (88257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24760 states to 24760 states and 88257 transitions. [2024-11-14 05:33:53,163 INFO L78 Accepts]: Start accepts. Automaton has 24760 states and 88257 transitions. Word has length 181 [2024-11-14 05:33:53,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:53,164 INFO L471 AbstractCegarLoop]: Abstraction has 24760 states and 88257 transitions. [2024-11-14 05:33:53,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 24760 states and 88257 transitions. [2024-11-14 05:33:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-14 05:33:53,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:53,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:53,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:33:53,167 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 155 more)] === [2024-11-14 05:33:53,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:53,168 INFO L85 PathProgramCache]: Analyzing trace with hash 357216925, now seen corresponding path program 1 times [2024-11-14 05:33:53,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995589941] [2024-11-14 05:33:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:53,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:53,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:53,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995589941] [2024-11-14 05:33:53,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995589941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:53,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:53,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78563896] [2024-11-14 05:33:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:53,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:53,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:53,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:53,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:53,262 INFO L87 Difference]: Start difference. First operand 24760 states and 88257 transitions. Second operand has 3 states, 2 states have (on average 92.5) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:33:54,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:54,147 INFO L93 Difference]: Finished difference Result 29150 states and 104125 transitions. [2024-11-14 05:33:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:54,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 92.5) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 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 185 [2024-11-14 05:33:54,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted.