./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.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_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/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_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/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_9ba52390-afa7-4994-aa5b-670a8eee34a6/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 cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:06,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:06,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 02:45:06,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:06,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:06,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:06,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:06,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:06,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:06,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:06,907 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:06,907 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:06,907 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:06,908 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:45:06,908 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:45:06,909 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:45:06,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:06,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:06,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:45:06,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:45:06,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:45:06,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:06,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:06,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:06,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:06,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:06,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:06,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:45:06,913 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_9ba52390-afa7-4994-aa5b-670a8eee34a6/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 -> cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 [2024-11-14 02:45:07,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:07,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:07,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:07,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:07,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:07,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c Unable to find full path for "g++" [2024-11-14 02:45:09,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:09,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:09,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-14 02:45:09,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/data/f380e17bc/3d8788bad8264f0c91399da5479b35c0/FLAG5aa24a462 [2024-11-14 02:45:09,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/data/f380e17bc/3d8788bad8264f0c91399da5479b35c0 [2024-11-14 02:45:09,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:09,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:09,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:09,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:09,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:09,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:09" (1/1) ... [2024-11-14 02:45:09,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424400db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:09, skipping insertion in model container [2024-11-14 02:45:09,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:09" (1/1) ... [2024-11-14 02:45:09,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:10,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:10,012 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:10,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:10,076 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:10,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10 WrapperNode [2024-11-14 02:45:10,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:10,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:10,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:10,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:10,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,124 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 250 [2024-11-14 02:45:10,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:10,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:10,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:10,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:10,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:10,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:10,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:10,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:10,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (1/1) ... [2024-11-14 02:45:10,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:10,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:10,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:10,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba52390-afa7-4994-aa5b-670a8eee34a6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 02:45:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 02:45:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 02:45:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 02:45:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 02:45:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 02:45:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:45:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:45:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:45:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:45:10,239 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 02:45:10,366 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:10,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:10,894 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 02:45:10,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:45:10,911 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:45:10,911 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 02:45:10,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:10 BoogieIcfgContainer [2024-11-14 02:45:10,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:45:10,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:45:10,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:45:10,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:45:10,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:09" (1/3) ... [2024-11-14 02:45:10,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565da1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:10, skipping insertion in model container [2024-11-14 02:45:10,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:10" (2/3) ... [2024-11-14 02:45:10,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565da1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:10, skipping insertion in model container [2024-11-14 02:45:10,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:10" (3/3) ... [2024-11-14 02:45:10,923 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-11-14 02:45:10,939 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:45:10,940 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt.wvr.c that has 4 procedures, 314 locations, 1 initial locations, 4 loop locations, and 21 error locations. [2024-11-14 02:45:10,941 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 02:45:11,099 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 02:45:11,154 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 323 places, 332 transitions, 685 flow [2024-11-14 02:45:27,893 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 536909 states, 536781 states have (on average 3.7988825983035914) internal successors, (2039168), 536908 states have internal predecessors, (2039168), 0 states have call successors, (0), 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 02:45:27,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:45:27,931 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;@11a8c437, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:45:27,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-14 02:45:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 536909 states, 536781 states have (on average 3.7988825983035914) internal successors, (2039168), 536908 states have internal predecessors, (2039168), 0 states have call successors, (0), 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 02:45:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 02:45:29,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:29,680 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] [2024-11-14 02:45:29,681 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-14 02:45:29,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash -966145924, now seen corresponding path program 1 times [2024-11-14 02:45:29,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:29,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182973450] [2024-11-14 02:45:29,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:29,959 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 02:45:29,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:45:29,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182973450] [2024-11-14 02:45:29,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182973450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:45:29,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:45:29,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:45:29,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884618049] [2024-11-14 02:45:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:45:29,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:45:29,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:45:29,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:45:29,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:45:31,082 INFO L87 Difference]: Start difference. First operand has 536909 states, 536781 states have (on average 3.7988825983035914) internal successors, (2039168), 536908 states have internal predecessors, (2039168), 0 states have call successors, (0), 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 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 02:45:46,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:45:46,984 INFO L93 Difference]: Finished difference Result 1073772 states and 4078289 transitions. [2024-11-14 02:45:46,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:45:46,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2024-11-14 02:45:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:45:53,685 INFO L225 Difference]: With dead ends: 1073772 [2024-11-14 02:45:53,686 INFO L226 Difference]: Without dead ends: 536427 [2024-11-14 02:45:54,435 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 02:45:54,439 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 2 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 565 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 02:45:54,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 565 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:45:56,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536427 states.