./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.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_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/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_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/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_b8feaa53-4094-400a-bc38-2598b462b359/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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:12:50,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:12:50,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:12:50,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:12:50,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:12:50,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:12:50,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:12:50,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:12:50,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:12:50,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:12:50,786 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:12:50,786 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:12:50,786 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:12:50,786 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:12:50,786 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:12:50,786 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:12:50,787 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:12:50,787 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:12:50,787 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:12:50,787 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:12:50,787 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:12:50,787 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:12:50,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:12:50,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:12:50,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:12:50,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:12:50,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:12:50,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:12:50,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:12:50,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:12:50,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:12:50,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:12:50,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:50,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:12:50,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:12:50,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:12:50,791 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:12:50,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:12:50,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:12:50,791 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:12:50,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:12:50,791 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_b8feaa53-4094-400a-bc38-2598b462b359/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 -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2024-11-14 04:12:51,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:12:51,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:12:51,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:12:51,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:12:51,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:12:51,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c Unable to find full path for "g++" [2024-11-14 04:12:53,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:12:53,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:12:53,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-11-14 04:12:53,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/data/f2e16c1b7/cdce02b3a73841f2a013d0b2aed0a519/FLAG617879234 [2024-11-14 04:12:53,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/data/f2e16c1b7/cdce02b3a73841f2a013d0b2aed0a519 [2024-11-14 04:12:53,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:12:53,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:12:53,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:53,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:12:53,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:12:53,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:53" (1/1) ... [2024-11-14 04:12:53,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9910ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:53, skipping insertion in model container [2024-11-14 04:12:53,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:53" (1/1) ... [2024-11-14 04:12:53,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:12:54,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:54,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:12:54,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:54,157 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:12:54,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54 WrapperNode [2024-11-14 04:12:54,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:54,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:54,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:12:54,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:12:54,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,203 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 265 [2024-11-14 04:12:54,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:54,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:12:54,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:12:54,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:12:54,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:12:54,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:12:54,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:12:54,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:12:54,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (1/1) ... [2024-11-14 04:12:54,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:12:54,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:12:54,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:12:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:12:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 04:12:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 04:12:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 04:12:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 04:12:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 04:12:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 04:12:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:12:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:12:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 04:12:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 04:12:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:12:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:12:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:12:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:12:54,331 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 04:12:54,472 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:12:54,474 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:12:55,189 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:12:55,189 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:12:55,668 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:12:55,669 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 04:12:55,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:55 BoogieIcfgContainer [2024-11-14 04:12:55,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:12:55,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:12:55,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:12:55,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:12:55,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:12:53" (1/3) ... [2024-11-14 04:12:55,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad36728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:55, skipping insertion in model container [2024-11-14 04:12:55,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:54" (2/3) ... [2024-11-14 04:12:55,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad36728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:55, skipping insertion in model container [2024-11-14 04:12:55,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:55" (3/3) ... [2024-11-14 04:12:55,681 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-11-14 04:12:55,700 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:12:55,702 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive.wvr.c that has 4 procedures, 207 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2024-11-14 04:12:55,702 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:12:55,818 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 04:12:55,870 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 216 places, 217 transitions, 455 flow [2024-11-14 04:12:57,537 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 29546 states, 28579 states have (on average 3.6641240071381085) internal successors, (104717), 29545 states have internal predecessors, (104717), 0 states have call successors, (0), 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 04:12:57,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:12:57,587 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;@2f369a53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:12:57,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2024-11-14 04:12:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 29546 states, 28579 states have (on average 3.6641240071381085) internal successors, (104717), 29545 states have internal predecessors, (104717), 0 states have call successors, (0), 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 04:12:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:12:57,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:12:57,783 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] [2024-11-14 04:12:57,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:12:57,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:12:57,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1351651786, now seen corresponding path program 1 times [2024-11-14 04:12:57,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:12:57,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928212158] [2024-11-14 04:12:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:57,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:12:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:12:58,012 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 04:12:58,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:12:58,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928212158] [2024-11-14 04:12:58,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928212158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:12:58,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:12:58,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:12:58,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578639170] [2024-11-14 04:12:58,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:12:58,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:12:58,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:12:58,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:12:58,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:12:58,101 INFO L87 Difference]: Start difference. First operand has 29546 states, 28579 states have (on average 3.6641240071381085) internal successors, (104717), 29545 states have internal predecessors, (104717), 0 states have call successors, (0), 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 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 04:12:59,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:12:59,535 INFO L93 Difference]: Finished difference Result 35087 states and 138192 transitions. [2024-11-14 04:12:59,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:12:59,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2024-11-14 04:12:59,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:12:59,689 INFO L225 Difference]: With dead ends: 35087 [2024-11-14 04:12:59,689 INFO L226 Difference]: Without dead ends: 4996 [2024-11-14 04:12:59,792 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 04:12:59,799 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 2 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:12:59,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 299 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:12:59,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4996 states. [2024-11-14 04:13:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4996 to 4996. [2024-11-14 04:13:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4996 states, 4986 states have (on average 3.3331327717609307) internal successors, (16619), 4995 states have internal predecessors, (16619), 0 states have call successors, (0), 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 04:13:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4996 states to 4996 states and 16619 transitions. [2024-11-14 04:13:00,388 INFO L78 Accepts]: Start accepts. Automaton has 4996 states and 16619 transitions. Word has length 23 [2024-11-14 04:13:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:00,388 INFO L471 AbstractCegarLoop]: Abstraction has 4996 states and 16619 transitions. [2024-11-14 04:13:00,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 04:13:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 4996 states and 16619 transitions. [2024-11-14 04:13:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 04:13:00,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:00,391 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 04:13:00,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:13:00,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:00,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:00,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1157081423, now seen corresponding path program 1 times [2024-11-14 04:13:00,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:00,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671631055] [2024-11-14 04:13:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:00,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:00,494 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 04:13:00,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:00,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671631055] [2024-11-14 04:13:00,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671631055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:00,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:00,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:00,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777223781] [2024-11-14 04:13:00,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:00,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:00,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:00,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:00,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:00,501 INFO L87 Difference]: Start difference. First operand 4996 states and 16619 transitions. 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 04:13:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:00,690 INFO L93 Difference]: Finished difference Result 4996 states and 16619 transitions. [2024-11-14 04:13:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:00,691 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 04:13:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:00,775 INFO L225 Difference]: With dead ends: 4996 [2024-11-14 04:13:00,775 INFO L226 Difference]: Without dead ends: 4995 [2024-11-14 04:13:00,778 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 04:13:00,781 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 2 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:00,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 288 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:13:00,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4995 states. [2024-11-14 04:13:01,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4995 to 4995. [2024-11-14 04:13:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4995 states, 4986 states have (on average 3.332932210188528) internal successors, (16618), 4994 states have internal predecessors, (16618), 0 states have call successors, (0), 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 04:13:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 16618 transitions. [2024-11-14 04:13:01,193 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 16618 transitions. Word has length 31 [2024-11-14 04:13:01,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:01,194 INFO L471 AbstractCegarLoop]: Abstraction has 4995 states and 16618 transitions. [2024-11-14 04:13:01,194 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 04:13:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 16618 transitions. [2024-11-14 04:13:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 04:13:01,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:01,195 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] [2024-11-14 04:13:01,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:13:01,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:01,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:01,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1105462685, now seen corresponding path program 1 times [2024-11-14 04:13:01,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:01,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985890207] [2024-11-14 04:13:01,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:01,275 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 04:13:01,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:01,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985890207] [2024-11-14 04:13:01,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985890207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:01,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:01,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:01,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565245245] [2024-11-14 04:13:01,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:01,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:01,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:01,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:01,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:01,278 INFO L87 Difference]: Start difference. First operand 4995 states and 16618 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 04:13:01,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:01,516 INFO L93 Difference]: Finished difference Result 8105 states and 27090 transitions. [2024-11-14 04:13:01,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:01,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2024-11-14 04:13:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:01,742 INFO L225 Difference]: With dead ends: 8105 [2024-11-14 04:13:01,742 INFO L226 Difference]: Without dead ends: 8104 [2024-11-14 04:13:01,748 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 04:13:01,749 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 124 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:01,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 223 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:13:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8104 states. [2024-11-14 04:13:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8104 to 4994. [2024-11-14 04:13:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4986 states have (on average 3.332731648616125) internal successors, (16617), 4993 states have internal predecessors, (16617), 0 states have call successors, (0), 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 04:13:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 16617 transitions. [2024-11-14 04:13:02,066 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 16617 transitions. Word has length 35 [2024-11-14 04:13:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:02,067 INFO L471 AbstractCegarLoop]: Abstraction has 4994 states and 16617 transitions. [2024-11-14 04:13:02,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 04:13:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 16617 transitions. [2024-11-14 04:13:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 04:13:02,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:02,072 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 04:13:02,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:13:02,073 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:02,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:02,074 INFO L85 PathProgramCache]: Analyzing trace with hash 39624621, now seen corresponding path program 1 times [2024-11-14 04:13:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:02,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371465914] [2024-11-14 04:13:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:02,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:02,142 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 04:13:02,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:02,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371465914] [2024-11-14 04:13:02,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371465914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:02,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:02,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:02,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345119694] [2024-11-14 04:13:02,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:02,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:02,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:02,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:02,144 INFO L87 Difference]: Start difference. First operand 4994 states and 16617 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 04:13:02,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:02,254 INFO L93 Difference]: Finished difference Result 4994 states and 16617 transitions. [2024-11-14 04:13:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:02,254 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 04:13:02,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:02,317 INFO L225 Difference]: With dead ends: 4994 [2024-11-14 04:13:02,317 INFO L226 Difference]: Without dead ends: 4993 [2024-11-14 04:13:02,320 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 04:13:02,321 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:02,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:13:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2024-11-14 04:13:02,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 4993. [2024-11-14 04:13:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4993 states, 4986 states have (on average 3.3325310870437224) internal successors, (16616), 4992 states have internal predecessors, (16616), 0 states have call successors, (0), 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 04:13:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 16616 transitions. [2024-11-14 04:13:02,613 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 16616 transitions. Word has length 39 [2024-11-14 04:13:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:02,615 INFO L471 AbstractCegarLoop]: Abstraction has 4993 states and 16616 transitions. [2024-11-14 04:13:02,615 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 04:13:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 16616 transitions. [2024-11-14 04:13:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 04:13:02,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:02,616 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] [2024-11-14 04:13:02,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:13:02,617 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:02,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:02,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1185123527, now seen corresponding path program 1 times [2024-11-14 04:13:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:02,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688751114] [2024-11-14 04:13:02,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:02,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:02,696 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 04:13:02,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:02,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688751114] [2024-11-14 04:13:02,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688751114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:02,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:02,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:02,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120059114] [2024-11-14 04:13:02,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:02,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:02,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:02,697 INFO L87 Difference]: Start difference. First operand 4993 states and 16616 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 04:13:02,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:02,801 INFO L93 Difference]: Finished difference Result 4993 states and 16616 transitions. [2024-11-14 04:13:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-14 04:13:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:02,852 INFO L225 Difference]: With dead ends: 4993 [2024-11-14 04:13:02,852 INFO L226 Difference]: Without dead ends: 4992 [2024-11-14 04:13:02,855 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 04:13:02,857 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:02,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 286 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:13:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2024-11-14 04:13:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4992. [2024-11-14 04:13:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4992 states, 4986 states have (on average 3.3323305254713196) internal successors, (16615), 4991 states have internal predecessors, (16615), 0 states have call successors, (0), 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 04:13:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 16615 transitions. [2024-11-14 04:13:03,197 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 16615 transitions. Word has length 44 [2024-11-14 04:13:03,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:03,197 INFO L471 AbstractCegarLoop]: Abstraction has 4992 states and 16615 transitions. [2024-11-14 04:13:03,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 04:13:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 16615 transitions. [2024-11-14 04:13:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 04:13:03,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:03,198 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 04:13:03,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:13:03,199 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:03,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1383033442, now seen corresponding path program 1 times [2024-11-14 04:13:03,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:03,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058116544] [2024-11-14 04:13:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:03,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:03,322 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 04:13:03,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:03,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058116544] [2024-11-14 04:13:03,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058116544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:03,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:03,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:03,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588705719] [2024-11-14 04:13:03,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:03,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:03,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:03,323 INFO L87 Difference]: Start difference. First operand 4992 states and 16615 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 04:13:03,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:03,548 INFO L93 Difference]: Finished difference Result 4992 states and 16615 transitions. [2024-11-14 04:13:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:03,548 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 04:13:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:03,643 INFO L225 Difference]: With dead ends: 4992 [2024-11-14 04:13:03,647 INFO L226 Difference]: Without dead ends: 4818 [2024-11-14 04:13:03,651 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 04:13:03,655 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 108 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:03,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 185 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:13:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4818 states. [2024-11-14 04:13:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4818 to 4818. [2024-11-14 04:13:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4818 states, 4814 states have (on average 3.3319484835895303) internal successors, (16040), 4817 states have internal predecessors, (16040), 0 states have call successors, (0), 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 04:13:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 16040 transitions. [2024-11-14 04:13:03,921 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 16040 transitions. Word has length 47 [2024-11-14 04:13:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:03,923 INFO L471 AbstractCegarLoop]: Abstraction has 4818 states and 16040 transitions. [2024-11-14 04:13:03,923 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 04:13:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 16040 transitions. [2024-11-14 04:13:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 04:13:03,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:03,928 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] [2024-11-14 04:13:03,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:13:03,929 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:03,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash -2010508057, now seen corresponding path program 1 times [2024-11-14 04:13:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:03,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230586803] [2024-11-14 04:13:03,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:03,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:04,883 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 04:13:04,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:04,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230586803] [2024-11-14 04:13:04,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230586803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:04,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:04,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:13:04,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281748695] [2024-11-14 04:13:04,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:04,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:13:04,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:04,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:13:04,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:13:04,889 INFO L87 Difference]: Start difference. First operand 4818 states and 16040 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 04:13:05,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:05,109 INFO L93 Difference]: Finished difference Result 4818 states and 16040 transitions. [2024-11-14 04:13:05,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:13:05,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-14 04:13:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:05,161 INFO L225 Difference]: With dead ends: 4818 [2024-11-14 04:13:05,162 INFO L226 Difference]: Without dead ends: 4817 [2024-11-14 04:13:05,165 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 04:13:05,166 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 4 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:05,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 387 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:13:05,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4817 states. [2024-11-14 04:13:05,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4817 to 4817. [2024-11-14 04:13:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4817 states, 4814 states have (on average 3.33174075612796) internal successors, (16039), 4816 states have internal predecessors, (16039), 0 states have call successors, (0), 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 04:13:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 16039 transitions. [2024-11-14 04:13:05,427 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 16039 transitions. Word has length 77 [2024-11-14 04:13:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:05,428 INFO L471 AbstractCegarLoop]: Abstraction has 4817 states and 16039 transitions. [2024-11-14 04:13:05,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 04:13:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 16039 transitions. [2024-11-14 04:13:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 04:13:05,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:05,431 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] [2024-11-14 04:13:05,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:13:05,432 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:05,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:05,432 INFO L85 PathProgramCache]: Analyzing trace with hash 148276383, now seen corresponding path program 1 times [2024-11-14 04:13:05,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:05,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100880576] [2024-11-14 04:13:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:05,508 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 04:13:05,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:05,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100880576] [2024-11-14 04:13:05,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100880576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:05,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:05,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62227118] [2024-11-14 04:13:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:05,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:05,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:05,510 INFO L87 Difference]: Start difference. First operand 4817 states and 16039 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 04:13:05,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:05,654 INFO L93 Difference]: Finished difference Result 4817 states and 16039 transitions. [2024-11-14 04:13:05,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:05,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-14 04:13:05,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:05,705 INFO L225 Difference]: With dead ends: 4817 [2024-11-14 04:13:05,705 INFO L226 Difference]: Without dead ends: 4816 [2024-11-14 04:13:05,708 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 04:13:05,709 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 2 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:05,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 277 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:13:05,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2024-11-14 04:13:05,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 4816. [2024-11-14 04:13:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4816 states, 4814 states have (on average 3.3315330286663896) internal successors, (16038), 4815 states have internal predecessors, (16038), 0 states have call successors, (0), 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 04:13:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4816 states to 4816 states and 16038 transitions. [2024-11-14 04:13:05,949 INFO L78 Accepts]: Start accepts. Automaton has 4816 states and 16038 transitions. Word has length 77 [2024-11-14 04:13:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:05,950 INFO L471 AbstractCegarLoop]: Abstraction has 4816 states and 16038 transitions. [2024-11-14 04:13:05,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 04:13:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 4816 states and 16038 transitions. [2024-11-14 04:13:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 04:13:05,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:05,954 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] [2024-11-14 04:13:05,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:13:05,955 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-14 04:13:05,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:05,955 INFO L85 PathProgramCache]: Analyzing trace with hash -132614310, now seen corresponding path program 1 times [2024-11-14 04:13:05,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:05,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787368135] [2024-11-14 04:13:05,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:06,065 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 04:13:06,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:06,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787368135] [2024-11-14 04:13:06,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787368135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:06,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:06,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:06,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462264652] [2024-11-14 04:13:06,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:06,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:13:06,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:13:06,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:13:06,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:13:06,071 INFO L87 Difference]: Start difference. First operand 4816 states and 16038 transitions. Second operand has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 04:13:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:06,288 INFO L93 Difference]: Finished difference Result 5700 states and 18926 transitions. [2024-11-14 04:13:06,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:13:06,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-11-14 04:13:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:06,311 INFO L225 Difference]: With dead ends: 5700 [2024-11-14 04:13:06,312 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:13:06,321 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 04:13:06,323 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 49 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:06,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 282 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:13:06,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:13:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:13:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 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 04:13:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:13:06,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2024-11-14 04:13:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:06,342 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:13:06,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 04:13:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:13:06,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:13:06,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 75 remaining) [2024-11-14 04:13:06,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (73 of 75 remaining) [2024-11-14 04:13:06,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (72 of 75 remaining) [2024-11-14 04:13:06,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (70 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (65 of 75 remaining) [2024-11-14 04:13:06,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (64 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (63 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (62 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (61 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 75 remaining) [2024-11-14 04:13:06,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 75 remaining) [2024-11-14 04:13:06,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 75 remaining) [2024-11-14 04:13:06,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 75 remaining) [2024-11-14 04:13:06,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 75 remaining) [2024-11-14 04:13:06,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 75 remaining) [2024-11-14 04:13:06,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 75 remaining) [2024-11-14 04:13:06,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 75 remaining) [2024-11-14 04:13:06,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 75 remaining) [2024-11-14 04:13:06,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 75 remaining) [2024-11-14 04:13:06,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 75 remaining) [2024-11-14 04:13:06,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (18 of 75 remaining) [2024-11-14 04:13:06,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 75 remaining) [2024-11-14 04:13:06,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 75 remaining) [2024-11-14 04:13:06,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (6 of 75 remaining) [2024-11-14 04:13:06,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 75 remaining) [2024-11-14 04:13:06,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 75 remaining) [2024-11-14 04:13:06,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (3 of 75 remaining) [2024-11-14 04:13:06,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 75 remaining) [2024-11-14 04:13:06,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 75 remaining) [2024-11-14 04:13:06,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 75 remaining) [2024-11-14 04:13:06,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:13:06,362 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:06,369 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 04:13:06,369 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:13:06,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:13:06 BasicIcfg [2024-11-14 04:13:06,376 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:13:06,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:13:06,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:13:06,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:13:06,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:55" (3/4) ... [2024-11-14 04:13:06,382 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:13:06,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-14 04:13:06,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-14 04:13:06,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-14 04:13:06,393 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-14 04:13:06,394 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 04:13:06,395 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:13:06,395 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:13:06,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:13:06,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:13:06,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:13:06,495 INFO L158 Benchmark]: Toolchain (without parser) took 12676.55ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 92.0MB in the beginning and 654.0MB in the end (delta: -562.0MB). Peak memory consumption was 476.7MB. Max. memory is 16.1GB. [2024-11-14 04:13:06,495 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:13:06,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.26ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:13:06,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.22ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:13:06,498 INFO L158 Benchmark]: Boogie Preprocessor took 60.71ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:13:06,499 INFO L158 Benchmark]: RCFGBuilder took 1403.95ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 62.0MB in the end (delta: 13.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-14 04:13:06,499 INFO L158 Benchmark]: TraceAbstraction took 10703.76ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 61.4MB in the beginning and 660.1MB in the end (delta: -598.7MB). Peak memory consumption was 438.3MB. Max. memory is 16.1GB. [2024-11-14 04:13:06,499 INFO L158 Benchmark]: Witness Printer took 117.70ms. Allocated memory is still 1.2GB. Free memory was 660.1MB in the beginning and 654.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:13:06,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.26ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.22ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.71ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1403.95ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 62.0MB in the end (delta: 13.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10703.76ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 61.4MB in the beginning and 660.1MB in the end (delta: -598.7MB). Peak memory consumption was 438.3MB. Max. memory is 16.1GB. * Witness Printer took 117.70ms. Allocated memory is still 1.2GB. Free memory was 660.1MB in the beginning and 654.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 284 locations, 75 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 293 mSDsluCounter, 2509 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1183 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1326 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29546occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 3110 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 04:13:06,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8feaa53-4094-400a-bc38-2598b462b359/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE