./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.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_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/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_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/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_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/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 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:17:57,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:17:57,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:17:57,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:17:57,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:17:57,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:17:57,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:17:57,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:17:57,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:17:57,253 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:17:57,253 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:17:57,254 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:17:57,254 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:17:57,256 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:17:57,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:17:57,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:17:57,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:17:57,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:17:57,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:17:57,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:17:57,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:17:57,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:17:57,259 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:17:57,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:17:57,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:17:57,260 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:17:57,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:17:57,260 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_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/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 -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2024-11-14 04:17:57,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:17:57,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:17:57,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:17:57,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:17:57,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:17:57,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c Unable to find full path for "g++" [2024-11-14 04:17:59,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:17:59,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:17:59,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2024-11-14 04:17:59,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/data/b8ff95f21/cae3bd7a81424384b242ce91cbc24991/FLAGc0b29bc58 [2024-11-14 04:17:59,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/data/b8ff95f21/cae3bd7a81424384b242ce91cbc24991 [2024-11-14 04:17:59,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:17:59,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:17:59,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:17:59,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:17:59,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:17:59,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:17:59" (1/1) ... [2024-11-14 04:17:59,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cc8c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:17:59, skipping insertion in model container [2024-11-14 04:17:59,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:17:59" (1/1) ... [2024-11-14 04:17:59,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:18:00,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:00,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:18:00,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:00,104 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:18:00,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00 WrapperNode [2024-11-14 04:18:00,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:00,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:00,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:18:00,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:18:00,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,166 INFO L138 Inliner]: procedures = 24, calls = 54, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 740 [2024-11-14 04:18:00,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:00,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:18:00,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:18:00,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:18:00,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:18:00,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:18:00,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:18:00,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:18:00,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (1/1) ... [2024-11-14 04:18:00,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:00,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:18:00,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19cd69c0-a8bf-4b39-b88e-c87edfdfad73/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:18:00,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:18:00,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 04:18:00,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 04:18:00,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 04:18:00,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:18:00,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:18:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:18:00,308 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 04:18:00,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:18:00,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:18:01,688 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:18:01,688 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:18:02,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:18:02,710 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-14 04:18:02,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:02 BoogieIcfgContainer [2024-11-14 04:18:02,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:18:02,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:18:02,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:18:02,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:18:02,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:17:59" (1/3) ... [2024-11-14 04:18:02,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b393b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:02, skipping insertion in model container [2024-11-14 04:18:02,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:00" (2/3) ... [2024-11-14 04:18:02,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b393b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:02, skipping insertion in model container [2024-11-14 04:18:02,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:02" (3/3) ... [2024-11-14 04:18:02,726 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2024-11-14 04:18:02,747 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:18:02,748 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-commit-1.wvr-bad.c that has 4 procedures, 489 locations, 1 initial locations, 6 loop locations, and 125 error locations. [2024-11-14 04:18:02,749 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:18:02,944 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 04:18:03,001 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 498 places, 515 transitions, 1051 flow [2024-11-14 04:18:15,482 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 393852 states, 359352 states have (on average 4.207403882544135) internal successors, (1511939), 393851 states have internal predecessors, (1511939), 0 states have call successors, (0), 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 04:18:15,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:15,566 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;@a39e44e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:15,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 228 error locations. [2024-11-14 04:18:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 393852 states, 359352 states have (on average 4.207403882544135) internal successors, (1511939), 393851 states have internal predecessors, (1511939), 0 states have call successors, (0), 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 04:18:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 04:18:16,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:16,449 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] [2024-11-14 04:18:16,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:16,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash 984219158, now seen corresponding path program 1 times [2024-11-14 04:18:16,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:16,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107374543] [2024-11-14 04:18:16,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:16,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:16,652 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 04:18:16,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:16,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107374543] [2024-11-14 04:18:16,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107374543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:16,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:16,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:16,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042461165] [2024-11-14 04:18:16,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:16,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:16,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:17,227 INFO L87 Difference]: Start difference. First operand has 393852 states, 359352 states have (on average 4.207403882544135) internal successors, (1511939), 393851 states have internal predecessors, (1511939), 0 states have call successors, (0), 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 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 04:18:25,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:25,173 INFO L93 Difference]: Finished difference Result 424828 states and 1761724 transitions. [2024-11-14 04:18:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:25,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2024-11-14 04:18:25,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:26,080 INFO L225 Difference]: With dead ends: 424828 [2024-11-14 04:18:26,080 INFO L226 Difference]: Without dead ends: 31043 [2024-11-14 04:18:26,627 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 04:18:26,630 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:26,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 744 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:26,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31043 states. [2024-11-14 04:18:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31043 to 31043. [2024-11-14 04:18:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31043 states, 30975 states have (on average 3.9162550443906374) internal successors, (121306), 31042 states have internal predecessors, (121306), 0 states have call successors, (0), 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 04:18:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31043 states to 31043 states and 121306 transitions. [2024-11-14 04:18:29,392 INFO L78 Accepts]: Start accepts. Automaton has 31043 states and 121306 transitions. Word has length 33 [2024-11-14 04:18:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:29,393 INFO L471 AbstractCegarLoop]: Abstraction has 31043 states and 121306 transitions. [2024-11-14 04:18:29,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 04:18:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 31043 states and 121306 transitions. [2024-11-14 04:18:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 04:18:29,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:29,398 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] [2024-11-14 04:18:29,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:18:29,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:29,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:29,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2100448262, now seen corresponding path program 1 times [2024-11-14 04:18:29,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:29,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122909451] [2024-11-14 04:18:29,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:29,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:29,498 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 04:18:29,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:29,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122909451] [2024-11-14 04:18:29,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122909451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:29,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:29,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:29,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38216962] [2024-11-14 04:18:29,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:29,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:29,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:29,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:29,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:29,501 INFO L87 Difference]: Start difference. First operand 31043 states and 121306 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 04:18:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:30,065 INFO L93 Difference]: Finished difference Result 31043 states and 121306 transitions. [2024-11-14 04:18:30,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:30,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2024-11-14 04:18:30,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:30,495 INFO L225 Difference]: With dead ends: 31043 [2024-11-14 04:18:30,495 INFO L226 Difference]: Without dead ends: 31042 [2024-11-14 04:18:30,515 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 04:18:30,517 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 2 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 728 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 04:18:30,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 728 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:30,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31042 states. [2024-11-14 04:18:31,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31042 to 31042. [2024-11-14 04:18:31,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31042 states, 30975 states have (on average 3.916222760290557) internal successors, (121305), 31041 states have internal predecessors, (121305), 0 states have call successors, (0), 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 04:18:32,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31042 states to 31042 states and 121305 transitions. [2024-11-14 04:18:32,378 INFO L78 Accepts]: Start accepts. Automaton has 31042 states and 121305 transitions. Word has length 40 [2024-11-14 04:18:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:32,379 INFO L471 AbstractCegarLoop]: Abstraction has 31042 states and 121305 transitions. [2024-11-14 04:18:32,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 04:18:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 31042 states and 121305 transitions. [2024-11-14 04:18:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-14 04:18:32,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:32,383 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] [2024-11-14 04:18:32,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:18:32,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:32,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:32,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2068915792, now seen corresponding path program 1 times [2024-11-14 04:18:32,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:32,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973434802] [2024-11-14 04:18:32,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:32,470 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 04:18:32,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:32,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973434802] [2024-11-14 04:18:32,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973434802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:32,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:32,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:32,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126757295] [2024-11-14 04:18:32,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:32,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:32,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:32,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:32,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:32,473 INFO L87 Difference]: Start difference. First operand 31042 states and 121305 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 04:18:32,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:32,889 INFO L93 Difference]: Finished difference Result 31042 states and 121305 transitions. [2024-11-14 04:18:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:32,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-14 04:18:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:33,983 INFO L225 Difference]: With dead ends: 31042 [2024-11-14 04:18:33,984 INFO L226 Difference]: Without dead ends: 31041 [2024-11-14 04:18:33,993 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 04:18:33,994 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 2 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 04:18:33,995 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 04:18:34,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31041 states. [2024-11-14 04:18:34,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31041 to 31041. [2024-11-14 04:18:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31041 states, 30975 states have (on average 3.916190476190476) internal successors, (121304), 31040 states have internal predecessors, (121304), 0 states have call successors, (0), 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 04:18:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31041 states to 31041 states and 121304 transitions. [2024-11-14 04:18:35,228 INFO L78 Accepts]: Start accepts. Automaton has 31041 states and 121304 transitions. Word has length 48 [2024-11-14 04:18:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:35,228 INFO L471 AbstractCegarLoop]: Abstraction has 31041 states and 121304 transitions. [2024-11-14 04:18:35,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 04:18:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 31041 states and 121304 transitions. [2024-11-14 04:18:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 04:18:35,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:35,229 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] [2024-11-14 04:18:35,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:18:35,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:35,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1952927874, now seen corresponding path program 1 times [2024-11-14 04:18:35,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:35,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440738424] [2024-11-14 04:18:35,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:35,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:35,289 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 04:18:35,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:35,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440738424] [2024-11-14 04:18:35,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440738424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:35,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:35,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:35,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519963265] [2024-11-14 04:18:35,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:35,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:35,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:35,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:35,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:35,292 INFO L87 Difference]: Start difference. First operand 31041 states and 121304 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 04:18:36,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:36,538 INFO L93 Difference]: Finished difference Result 61794 states and 242317 transitions. [2024-11-14 04:18:36,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:36,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-14 04:18:36,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:37,017 INFO L225 Difference]: With dead ends: 61794 [2024-11-14 04:18:37,017 INFO L226 Difference]: Without dead ends: 61793 [2024-11-14 04:18:37,044 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 04:18:37,047 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 328 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:37,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 492 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:37,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61793 states. [2024-11-14 04:18:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61793 to 31040. [2024-11-14 04:18:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31040 states, 30975 states have (on average 3.9161581920903954) internal successors, (121303), 31039 states have internal predecessors, (121303), 0 states have call successors, (0), 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 04:18:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31040 states to 31040 states and 121303 transitions. [2024-11-14 04:18:38,935 INFO L78 Accepts]: Start accepts. Automaton has 31040 states and 121303 transitions. Word has length 52 [2024-11-14 04:18:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:38,935 INFO L471 AbstractCegarLoop]: Abstraction has 31040 states and 121303 transitions. [2024-11-14 04:18:38,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 04:18:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 31040 states and 121303 transitions. [2024-11-14 04:18:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 04:18:38,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:38,936 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] [2024-11-14 04:18:38,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:18:38,937 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:38,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:38,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1382268876, now seen corresponding path program 1 times [2024-11-14 04:18:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:38,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504033290] [2024-11-14 04:18:38,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:39,004 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 04:18:39,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:39,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504033290] [2024-11-14 04:18:39,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504033290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:39,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412742752] [2024-11-14 04:18:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:39,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:39,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:39,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:39,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:39,007 INFO L87 Difference]: Start difference. First operand 31040 states and 121303 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 04:18:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:39,290 INFO L93 Difference]: Finished difference Result 31040 states and 121303 transitions. [2024-11-14 04:18:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:39,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-14 04:18:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:39,630 INFO L225 Difference]: With dead ends: 31040 [2024-11-14 04:18:39,631 INFO L226 Difference]: Without dead ends: 31039 [2024-11-14 04:18:39,647 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 04:18:39,648 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 1 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 726 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 04:18:39,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 726 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31039 states. [2024-11-14 04:18:40,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31039 to 31039. [2024-11-14 04:18:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31039 states, 30975 states have (on average 3.9161259079903146) internal successors, (121302), 31038 states have internal predecessors, (121302), 0 states have call successors, (0), 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 04:18:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31039 states to 31039 states and 121302 transitions. [2024-11-14 04:18:41,075 INFO L78 Accepts]: Start accepts. Automaton has 31039 states and 121302 transitions. Word has length 56 [2024-11-14 04:18:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:41,075 INFO L471 AbstractCegarLoop]: Abstraction has 31039 states and 121302 transitions. [2024-11-14 04:18:41,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 04:18:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 31039 states and 121302 transitions. [2024-11-14 04:18:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-14 04:18:41,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:41,076 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 04:18:41,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:18:41,077 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:41,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:41,077 INFO L85 PathProgramCache]: Analyzing trace with hash 976955357, now seen corresponding path program 1 times [2024-11-14 04:18:41,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:41,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871339695] [2024-11-14 04:18:41,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:41,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:41,121 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 04:18:41,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:41,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871339695] [2024-11-14 04:18:41,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871339695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:41,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:41,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302975194] [2024-11-14 04:18:41,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:41,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:41,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:41,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:41,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:41,123 INFO L87 Difference]: Start difference. First operand 31039 states and 121302 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 04:18:41,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:41,468 INFO L93 Difference]: Finished difference Result 31039 states and 121302 transitions. [2024-11-14 04:18:41,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:41,469 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 04:18:41,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:41,731 INFO L225 Difference]: With dead ends: 31039 [2024-11-14 04:18:41,731 INFO L226 Difference]: Without dead ends: 31038 [2024-11-14 04:18:41,741 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 04:18:41,741 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 317 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:41,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 419 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:18:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31038 states. [2024-11-14 04:18:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31038 to 31038. [2024-11-14 04:18:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31038 states, 30975 states have (on average 3.916093623890234) internal successors, (121301), 31037 states have internal predecessors, (121301), 0 states have call successors, (0), 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 04:18:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31038 states to 31038 states and 121301 transitions. [2024-11-14 04:18:43,273 INFO L78 Accepts]: Start accepts. Automaton has 31038 states and 121301 transitions. Word has length 59 [2024-11-14 04:18:43,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:43,273 INFO L471 AbstractCegarLoop]: Abstraction has 31038 states and 121301 transitions. [2024-11-14 04:18:43,273 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 04:18:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31038 states and 121301 transitions. [2024-11-14 04:18:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 04:18:43,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:43,275 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 04:18:43,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:18:43,275 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:43,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1519206074, now seen corresponding path program 1 times [2024-11-14 04:18:43,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628854689] [2024-11-14 04:18:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:44,266 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 04:18:44,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:44,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628854689] [2024-11-14 04:18:44,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628854689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:44,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:44,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:18:44,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409694040] [2024-11-14 04:18:44,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:44,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:18:44,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:44,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:18:44,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:18:44,270 INFO L87 Difference]: Start difference. First operand 31038 states and 121301 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 04:18:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:45,015 INFO L93 Difference]: Finished difference Result 31038 states and 121301 transitions. [2024-11-14 04:18:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:18:45,015 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 04:18:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:45,908 INFO L225 Difference]: With dead ends: 31038 [2024-11-14 04:18:45,908 INFO L226 Difference]: Without dead ends: 31035 [2024-11-14 04:18:45,912 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 04:18:45,913 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 12 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:45,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1265 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:18:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31035 states. [2024-11-14 04:18:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31035 to 31035. [2024-11-14 04:18:46,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31035 states, 30975 states have (on average 3.9159967715899917) internal successors, (121298), 31034 states have internal predecessors, (121298), 0 states have call successors, (0), 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 04:18:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31035 states to 31035 states and 121298 transitions. [2024-11-14 04:18:46,931 INFO L78 Accepts]: Start accepts. Automaton has 31035 states and 121298 transitions. Word has length 89 [2024-11-14 04:18:46,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:46,932 INFO L471 AbstractCegarLoop]: Abstraction has 31035 states and 121298 transitions. [2024-11-14 04:18:46,932 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 04:18:46,932 INFO L276 IsEmpty]: Start isEmpty. Operand 31035 states and 121298 transitions. [2024-11-14 04:18:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 04:18:46,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:46,935 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 04:18:46,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:18:46,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:46,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:46,935 INFO L85 PathProgramCache]: Analyzing trace with hash -763979947, now seen corresponding path program 1 times [2024-11-14 04:18:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:46,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237461484] [2024-11-14 04:18:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:46,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:47,007 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 04:18:47,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:47,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237461484] [2024-11-14 04:18:47,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237461484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:47,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:47,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:47,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853014407] [2024-11-14 04:18:47,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:47,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:47,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:47,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:47,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:47,011 INFO L87 Difference]: Start difference. First operand 31035 states and 121298 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 04:18:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:48,134 INFO L93 Difference]: Finished difference Result 31035 states and 121298 transitions. [2024-11-14 04:18:48,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:48,134 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 04:18:48,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:48,501 INFO L225 Difference]: With dead ends: 31035 [2024-11-14 04:18:48,501 INFO L226 Difference]: Without dead ends: 31034 [2024-11-14 04:18:48,512 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 04:18:48,513 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 2 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 715 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 04:18:48,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 715 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31034 states. [2024-11-14 04:18:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31034 to 31034. [2024-11-14 04:18:49,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31034 states, 30975 states have (on average 3.9159644874899113) internal successors, (121297), 31033 states have internal predecessors, (121297), 0 states have call successors, (0), 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 04:18:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31034 states to 31034 states and 121297 transitions. [2024-11-14 04:18:49,434 INFO L78 Accepts]: Start accepts. Automaton has 31034 states and 121297 transitions. Word has length 89 [2024-11-14 04:18:49,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:49,434 INFO L471 AbstractCegarLoop]: Abstraction has 31034 states and 121297 transitions. [2024-11-14 04:18:49,434 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 04:18:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 31034 states and 121297 transitions. [2024-11-14 04:18:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-14 04:18:49,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:49,435 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] [2024-11-14 04:18:49,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:18:49,436 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 224 more)] === [2024-11-14 04:18:49,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash 252451436, now seen corresponding path program 1 times [2024-11-14 04:18:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356522008] [2024-11-14 04:18:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:49,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:49,479 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 04:18:49,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356522008] [2024-11-14 04:18:49,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356522008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:49,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:49,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:49,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487260700] [2024-11-14 04:18:49,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:49,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:49,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:49,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:49,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:49,481 INFO L87 Difference]: Start difference. First operand 31034 states and 121297 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)