./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.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_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/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_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/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_12b51720-6922-448a-8533-72427445e99c/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 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:10:56,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:10:56,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 03:10:56,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:10:56,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:10:56,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:10:56,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:10:56,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:10:56,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:10:56,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:10:56,881 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:10:56,881 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:10:56,882 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:10:56,883 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:10:56,883 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:10:56,883 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:10:56,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:10:56,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:10:56,884 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 03:10:56,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:10:56,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:10:56,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:10:56,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:10:56,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:10:56,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:10:56,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:10:56,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:10:56,886 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:10:56,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:10:56,887 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_12b51720-6922-448a-8533-72427445e99c/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 -> 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 [2024-11-14 03:10:57,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:10:57,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:10:57,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:10:57,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:10:57,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:10:57,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c Unable to find full path for "g++" [2024-11-14 03:10:59,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:10:59,895 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:10:59,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2024-11-14 03:10:59,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/data/b1c9ec75d/21aeb7ea88464645906b55511021107b/FLAG69e5f47f5 [2024-11-14 03:10:59,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/data/b1c9ec75d/21aeb7ea88464645906b55511021107b [2024-11-14 03:10:59,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:10:59,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:10:59,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:10:59,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:10:59,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:10:59,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:10:59" (1/1) ... [2024-11-14 03:10:59,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f25715f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:59, skipping insertion in model container [2024-11-14 03:10:59,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:10:59" (1/1) ... [2024-11-14 03:10:59,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:11:00,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:11:00,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:11:00,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:11:00,379 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:11:00,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00 WrapperNode [2024-11-14 03:11:00,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:11:00,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:11:00,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:11:00,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:11:00,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,458 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 168 [2024-11-14 03:11:00,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:11:00,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:11:00,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:11:00,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:11:00,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:11:00,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:11:00,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:11:00,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:11:00,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (1/1) ... [2024-11-14 03:11:00,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:11:00,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:11:00,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:11:00,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:11:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:11:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 03:11:00,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 03:11:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 03:11:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 03:11:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:11:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:11:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:11:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:11:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:11:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:11:00,618 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 03:11:00,767 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:11:00,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:11:01,367 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:11:01,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:11:01,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:11:01,396 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 03:11:01,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:11:01 BoogieIcfgContainer [2024-11-14 03:11:01,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:11:01,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:11:01,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:11:01,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:11:01,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:10:59" (1/3) ... [2024-11-14 03:11:01,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ba5ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:11:01, skipping insertion in model container [2024-11-14 03:11:01,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:00" (2/3) ... [2024-11-14 03:11:01,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ba5ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:11:01, skipping insertion in model container [2024-11-14 03:11:01,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:11:01" (3/3) ... [2024-11-14 03:11:01,414 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2024-11-14 03:11:01,434 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:11:01,436 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue.wvr.c that has 3 procedures, 209 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2024-11-14 03:11:01,436 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 03:11:01,619 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 03:11:01,700 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 215 places, 221 transitions, 456 flow [2024-11-14 03:11:02,306 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8503 states, 8484 states have (on average 2.739156058462989) internal successors, (23239), 8502 states have internal predecessors, (23239), 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 03:11:02,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:11:02,367 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;@4bee8b62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:11:02,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-14 03:11:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 8503 states, 8484 states have (on average 2.739156058462989) internal successors, (23239), 8502 states have internal predecessors, (23239), 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 03:11:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 03:11:02,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:02,415 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:11:02,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:02,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1511787090, now seen corresponding path program 1 times [2024-11-14 03:11:02,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:02,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378319421] [2024-11-14 03:11:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:02,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:02,663 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 03:11:02,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:02,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378319421] [2024-11-14 03:11:02,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378319421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:02,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:02,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:11:02,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858157049] [2024-11-14 03:11:02,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:02,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:11:02,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:02,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:11:02,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:11:02,744 INFO L87 Difference]: Start difference. First operand has 8503 states, 8484 states have (on average 2.739156058462989) internal successors, (23239), 8502 states have internal predecessors, (23239), 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 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 03:11:03,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:03,329 INFO L93 Difference]: Finished difference Result 16972 states and 46443 transitions. [2024-11-14 03:11:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:11:03,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2024-11-14 03:11:03,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:03,465 INFO L225 Difference]: With dead ends: 16972 [2024-11-14 03:11:03,466 INFO L226 Difference]: Without dead ends: 8438 [2024-11-14 03:11:03,574 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 03:11:03,580 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 2 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:03,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 362 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:11:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8438 states. [2024-11-14 03:11:04,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8438 to 8438. [2024-11-14 03:11:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8438 states, 8408 states have (on average 2.632849666983825) internal successors, (22137), 8437 states have internal predecessors, (22137), 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 03:11:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8438 states to 8438 states and 22137 transitions. [2024-11-14 03:11:04,311 INFO L78 Accepts]: Start accepts. Automaton has 8438 states and 22137 transitions. Word has length 19 [2024-11-14 03:11:04,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:04,311 INFO L471 AbstractCegarLoop]: Abstraction has 8438 states and 22137 transitions. [2024-11-14 03:11:04,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 03:11:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 8438 states and 22137 transitions. [2024-11-14 03:11:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 03:11:04,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:04,314 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 03:11:04,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:11:04,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:04,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2119974077, now seen corresponding path program 1 times [2024-11-14 03:11:04,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:04,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324046266] [2024-11-14 03:11:04,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:04,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:04,376 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 03:11:04,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:04,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324046266] [2024-11-14 03:11:04,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324046266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:04,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:04,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:11:04,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902306444] [2024-11-14 03:11:04,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:04,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:11:04,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:04,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:11:04,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:11:04,380 INFO L87 Difference]: Start difference. First operand 8438 states and 22137 transitions. 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 03:11:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:04,651 INFO L93 Difference]: Finished difference Result 8438 states and 22137 transitions. [2024-11-14 03:11:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:11:04,652 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 03:11:04,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:04,854 INFO L225 Difference]: With dead ends: 8438 [2024-11-14 03:11:04,854 INFO L226 Difference]: Without dead ends: 8121 [2024-11-14 03:11:04,859 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 03:11:04,860 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 163 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:04,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 200 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:11:04,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8121 states. [2024-11-14 03:11:05,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8121 to 8121. [2024-11-14 03:11:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8121 states, 8103 states have (on average 2.6284092311489573) internal successors, (21298), 8120 states have internal predecessors, (21298), 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 03:11:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8121 states to 8121 states and 21298 transitions. [2024-11-14 03:11:05,294 INFO L78 Accepts]: Start accepts. Automaton has 8121 states and 21298 transitions. Word has length 23 [2024-11-14 03:11:05,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:05,295 INFO L471 AbstractCegarLoop]: Abstraction has 8121 states and 21298 transitions. [2024-11-14 03:11:05,295 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 03:11:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 8121 states and 21298 transitions. [2024-11-14 03:11:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 03:11:05,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:05,297 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] [2024-11-14 03:11:05,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:11:05,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:05,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:05,302 INFO L85 PathProgramCache]: Analyzing trace with hash 818016849, now seen corresponding path program 1 times [2024-11-14 03:11:05,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092232142] [2024-11-14 03:11:05,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:06,878 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 03:11:06,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:06,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092232142] [2024-11-14 03:11:06,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092232142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:06,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:06,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:11:06,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644720468] [2024-11-14 03:11:06,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:06,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:11:06,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:11:06,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:11:06,885 INFO L87 Difference]: Start difference. First operand 8121 states and 21298 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 03:11:07,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:07,159 INFO L93 Difference]: Finished difference Result 8121 states and 21298 transitions. [2024-11-14 03:11:07,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:11:07,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 53 [2024-11-14 03:11:07,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:07,238 INFO L225 Difference]: With dead ends: 8121 [2024-11-14 03:11:07,239 INFO L226 Difference]: Without dead ends: 8120 [2024-11-14 03:11:07,244 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 03:11:07,247 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 8 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:07,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 331 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:11:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8120 states. [2024-11-14 03:11:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8120 to 8120. [2024-11-14 03:11:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8120 states, 8103 states have (on average 2.628285820066642) internal successors, (21297), 8119 states have internal predecessors, (21297), 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 03:11:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8120 states to 8120 states and 21297 transitions. [2024-11-14 03:11:07,682 INFO L78 Accepts]: Start accepts. Automaton has 8120 states and 21297 transitions. Word has length 53 [2024-11-14 03:11:07,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:07,683 INFO L471 AbstractCegarLoop]: Abstraction has 8120 states and 21297 transitions. [2024-11-14 03:11:07,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 03:11:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 8120 states and 21297 transitions. [2024-11-14 03:11:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 03:11:07,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:07,687 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] [2024-11-14 03:11:07,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:11:07,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:07,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1175733058, now seen corresponding path program 1 times [2024-11-14 03:11:07,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:07,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409604835] [2024-11-14 03:11:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:07,783 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 03:11:07,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:07,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409604835] [2024-11-14 03:11:07,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409604835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:07,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:07,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:11:07,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108464430] [2024-11-14 03:11:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:07,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:11:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:07,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:11:07,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:11:07,786 INFO L87 Difference]: Start difference. First operand 8120 states and 21297 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 03:11:08,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:08,034 INFO L93 Difference]: Finished difference Result 8120 states and 21297 transitions. [2024-11-14 03:11:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:11:08,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2024-11-14 03:11:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:08,089 INFO L225 Difference]: With dead ends: 8120 [2024-11-14 03:11:08,090 INFO L226 Difference]: Without dead ends: 8119 [2024-11-14 03:11:08,093 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 03:11:08,096 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 2 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:08,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 351 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:11:08,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8119 states. [2024-11-14 03:11:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8119 to 8119. [2024-11-14 03:11:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8119 states, 8103 states have (on average 2.628162408984327) internal successors, (21296), 8118 states have internal predecessors, (21296), 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 03:11:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8119 states to 8119 states and 21296 transitions. [2024-11-14 03:11:08,413 INFO L78 Accepts]: Start accepts. Automaton has 8119 states and 21296 transitions. Word has length 53 [2024-11-14 03:11:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:08,414 INFO L471 AbstractCegarLoop]: Abstraction has 8119 states and 21296 transitions. [2024-11-14 03:11:08,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 03:11:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 8119 states and 21296 transitions. [2024-11-14 03:11:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 03:11:08,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:08,418 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] [2024-11-14 03:11:08,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:11:08,419 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:08,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:08,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1163273165, now seen corresponding path program 1 times [2024-11-14 03:11:08,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:08,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203813520] [2024-11-14 03:11:08,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:08,490 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 03:11:08,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:08,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203813520] [2024-11-14 03:11:08,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203813520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:08,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:08,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:11:08,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301714895] [2024-11-14 03:11:08,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:08,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:11:08,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:08,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:11:08,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:11:08,492 INFO L87 Difference]: Start difference. First operand 8119 states and 21296 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 03:11:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:08,659 INFO L93 Difference]: Finished difference Result 8413 states and 22044 transitions. [2024-11-14 03:11:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:11:08,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2024-11-14 03:11:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:08,719 INFO L225 Difference]: With dead ends: 8413 [2024-11-14 03:11:08,719 INFO L226 Difference]: Without dead ends: 8103 [2024-11-14 03:11:08,725 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 03:11:08,728 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 107 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:08,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 301 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:11:08,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8103 states. [2024-11-14 03:11:09,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8103 to 7809. [2024-11-14 03:11:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7809 states, 7802 states have (on average 2.6241989233529863) internal successors, (20474), 7808 states have internal predecessors, (20474), 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 03:11:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7809 states to 7809 states and 20474 transitions. [2024-11-14 03:11:09,156 INFO L78 Accepts]: Start accepts. Automaton has 7809 states and 20474 transitions. Word has length 66 [2024-11-14 03:11:09,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:09,157 INFO L471 AbstractCegarLoop]: Abstraction has 7809 states and 20474 transitions. [2024-11-14 03:11:09,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 03:11:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7809 states and 20474 transitions. [2024-11-14 03:11:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 03:11:09,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:09,161 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] [2024-11-14 03:11:09,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:11:09,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:09,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:09,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1962008695, now seen corresponding path program 1 times [2024-11-14 03:11:09,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:09,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696868076] [2024-11-14 03:11:09,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:09,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:09,547 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 03:11:09,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:09,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696868076] [2024-11-14 03:11:09,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696868076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:09,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:09,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:11:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750148389] [2024-11-14 03:11:09,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:09,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:11:09,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:09,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:11:09,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:11:09,551 INFO L87 Difference]: Start difference. First operand 7809 states and 20474 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 03:11:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:10,169 INFO L93 Difference]: Finished difference Result 16638 states and 43684 transitions. [2024-11-14 03:11:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:11:10,170 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 72 [2024-11-14 03:11:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:10,230 INFO L225 Difference]: With dead ends: 16638 [2024-11-14 03:11:10,230 INFO L226 Difference]: Without dead ends: 9124 [2024-11-14 03:11:10,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:11:10,248 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 221 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:10,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1039 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:11:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2024-11-14 03:11:10,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 8515. [2024-11-14 03:11:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8515 states, 8508 states have (on average 2.6223554301833567) internal successors, (22311), 8514 states have internal predecessors, (22311), 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 03:11:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8515 states to 8515 states and 22311 transitions. [2024-11-14 03:11:10,603 INFO L78 Accepts]: Start accepts. Automaton has 8515 states and 22311 transitions. Word has length 72 [2024-11-14 03:11:10,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:10,604 INFO L471 AbstractCegarLoop]: Abstraction has 8515 states and 22311 transitions. [2024-11-14 03:11:10,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 03:11:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 8515 states and 22311 transitions. [2024-11-14 03:11:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 03:11:10,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:10,607 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] [2024-11-14 03:11:10,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 03:11:10,608 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:10,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:10,608 INFO L85 PathProgramCache]: Analyzing trace with hash 704678211, now seen corresponding path program 1 times [2024-11-14 03:11:10,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:10,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81290720] [2024-11-14 03:11:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:10,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:10,832 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 03:11:10,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:10,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81290720] [2024-11-14 03:11:10,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81290720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:10,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:10,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:11:10,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264767389] [2024-11-14 03:11:10,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:10,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:11:10,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:10,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:11:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:11:10,836 INFO L87 Difference]: Start difference. First operand 8515 states and 22311 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 03:11:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:11,231 INFO L93 Difference]: Finished difference Result 9208 states and 23943 transitions. [2024-11-14 03:11:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:11:11,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 78 [2024-11-14 03:11:11,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:11,287 INFO L225 Difference]: With dead ends: 9208 [2024-11-14 03:11:11,288 INFO L226 Difference]: Without dead ends: 7823 [2024-11-14 03:11:11,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:11:11,296 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 121 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:11,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 928 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:11:11,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7823 states. [2024-11-14 03:11:11,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7823 to 7810. [2024-11-14 03:11:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7810 states, 7803 states have (on average 2.6239907727797003) internal successors, (20475), 7809 states have internal predecessors, (20475), 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 03:11:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7810 states to 7810 states and 20475 transitions. [2024-11-14 03:11:11,570 INFO L78 Accepts]: Start accepts. Automaton has 7810 states and 20475 transitions. Word has length 78 [2024-11-14 03:11:11,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:11,570 INFO L471 AbstractCegarLoop]: Abstraction has 7810 states and 20475 transitions. [2024-11-14 03:11:11,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 03:11:11,570 INFO L276 IsEmpty]: Start isEmpty. Operand 7810 states and 20475 transitions. [2024-11-14 03:11:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 03:11:11,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:11,574 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] [2024-11-14 03:11:11,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 03:11:11,574 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:11,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:11,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1977651705, now seen corresponding path program 1 times [2024-11-14 03:11:11,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:11,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155663081] [2024-11-14 03:11:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:11,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 03:11:12,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:12,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155663081] [2024-11-14 03:11:12,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155663081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:12,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:12,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:11:12,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579395525] [2024-11-14 03:11:12,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:12,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:11:12,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:12,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:11:12,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:11:12,445 INFO L87 Difference]: Start difference. First operand 7810 states and 20475 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 03:11:12,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:12,872 INFO L93 Difference]: Finished difference Result 7810 states and 20475 transitions. [2024-11-14 03:11:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:11:12,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 87 [2024-11-14 03:11:12,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:12,926 INFO L225 Difference]: With dead ends: 7810 [2024-11-14 03:11:12,926 INFO L226 Difference]: Without dead ends: 6880 [2024-11-14 03:11:12,933 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 03:11:12,934 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 340 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:12,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 648 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:11:12,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6880 states. [2024-11-14 03:11:13,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6880 to 6880. [2024-11-14 03:11:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6880 states, 6877 states have (on average 2.617274974552857) internal successors, (17999), 6879 states have internal predecessors, (17999), 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 03:11:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6880 states to 6880 states and 17999 transitions. [2024-11-14 03:11:13,236 INFO L78 Accepts]: Start accepts. Automaton has 6880 states and 17999 transitions. Word has length 87 [2024-11-14 03:11:13,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:13,237 INFO L471 AbstractCegarLoop]: Abstraction has 6880 states and 17999 transitions. [2024-11-14 03:11:13,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 03:11:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6880 states and 17999 transitions. [2024-11-14 03:11:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 03:11:13,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:13,240 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:11:13,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 03:11:13,241 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-14 03:11:13,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:13,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1280348485, now seen corresponding path program 1 times [2024-11-14 03:11:13,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:13,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344737851] [2024-11-14 03:11:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:13,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 03:11:14,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:11:14,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344737851] [2024-11-14 03:11:14,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344737851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:14,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:14,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:11:14,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708649968] [2024-11-14 03:11:14,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:14,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:11:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:11:14,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:11:14,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:11:14,115 INFO L87 Difference]: Start difference. First operand 6880 states and 17999 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:11:14,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:14,642 INFO L93 Difference]: Finished difference Result 6880 states and 17999 transitions. [2024-11-14 03:11:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:11:14,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-14 03:11:14,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:14,665 INFO L225 Difference]: With dead ends: 6880 [2024-11-14 03:11:14,665 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:11:14,680 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 03:11:14,682 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 250 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:14,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 771 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:11:14,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:11:14,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:11:14,684 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 03:11:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:11:14,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2024-11-14 03:11:14,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:14,701 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:11:14,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:11:14,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:11:14,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:11:14,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2024-11-14 03:11:14,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2024-11-14 03:11:14,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2024-11-14 03:11:14,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2024-11-14 03:11:14,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2024-11-14 03:11:14,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:11:14,714 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:11:14,721 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 03:11:14,721 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:11:14,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:11:14 BasicIcfg [2024-11-14 03:11:14,729 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:11:14,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:11:14,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:11:14,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:11:14,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:11:01" (3/4) ... [2024-11-14 03:11:14,733 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:11:14,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-14 03:11:14,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-14 03:11:14,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-14 03:11:14,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 03:11:14,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 03:11:14,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:11:14,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:11:14,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:11:14,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:11:14,866 INFO L158 Benchmark]: Toolchain (without parser) took 14933.44ms. Allocated memory was 117.4MB in the beginning and 830.5MB in the end (delta: 713.0MB). Free memory was 92.1MB in the beginning and 536.7MB in the end (delta: -444.6MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. [2024-11-14 03:11:14,866 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:14,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.61ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:11:14,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.54ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:11:14,867 INFO L158 Benchmark]: Boogie Preprocessor took 62.67ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:14,867 INFO L158 Benchmark]: RCFGBuilder took 875.63ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 57.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:11:14,867 INFO L158 Benchmark]: TraceAbstraction took 13325.51ms. Allocated memory was 117.4MB in the beginning and 830.5MB in the end (delta: 713.0MB). Free memory was 56.9MB in the beginning and 540.9MB in the end (delta: -484.0MB). Peak memory consumption was 226.5MB. Max. memory is 16.1GB. [2024-11-14 03:11:14,867 INFO L158 Benchmark]: Witness Printer took 135.16ms. Allocated memory is still 830.5MB. Free memory was 540.9MB in the beginning and 536.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:11:14,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.61ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.54ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.67ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 875.63ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 57.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13325.51ms. Allocated memory was 117.4MB in the beginning and 830.5MB in the end (delta: 713.0MB). Free memory was 56.9MB in the beginning and 540.9MB in the end (delta: -484.0MB). Peak memory consumption was 226.5MB. Max. memory is 16.1GB. * Witness Printer took 135.16ms. Allocated memory is still 830.5MB. Free memory was 540.9MB in the beginning and 536.7MB in the end (delta: 4.2MB). 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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 5 procedures, 315 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1214 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1214 mSDsluCounter, 4931 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2882 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 2049 mSDtfsCounter, 531 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8515occurred in iteration=6, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 916 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2/2 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 03:11:14,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12b51720-6922-448a-8533-72427445e99c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE