./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2 --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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:32,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:32,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-02 12:33:32,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:32,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:32,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:32,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:32,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:32,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:32,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:32,435 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:32,435 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:32,436 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:32,436 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:32,436 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:32,436 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:32,437 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:32,437 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:32,437 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:32,438 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:32,438 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:32,441 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:32,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:32,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:32,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:32,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:32,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:32,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:32,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:32,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:32,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:32,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 12:33:32,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:32,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:33:32,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:32,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:32,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:32,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:32,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:32,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:32,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:32,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:32,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:32,449 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:32,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:32,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:32,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:32,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:32,451 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2024-11-02 12:33:32,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:32,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:32,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:32,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:32,841 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:32,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c Unable to find full path for "g++" [2024-11-02 12:33:35,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:35,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:35,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2024-11-02 12:33:35,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/data/bf7f8e019/9715b40259844ece816f3eed3285f5a0/FLAG0b9bd7a7f [2024-11-02 12:33:35,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/data/bf7f8e019/9715b40259844ece816f3eed3285f5a0 [2024-11-02 12:33:35,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:35,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:35,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:35,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:35,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:35,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:35,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee12625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35, skipping insertion in model container [2024-11-02 12:33:35,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:35,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:35,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:35,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:35,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:35,997 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:35,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35 WrapperNode [2024-11-02 12:33:35,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:35,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:36,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:36,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:36,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,048 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 185 [2024-11-02 12:33:36,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:36,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:36,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:36,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:36,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:36,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:36,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:36,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:36,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:36,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:36,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:36,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-02 12:33:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-02 12:33:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-02 12:33:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-02 12:33:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:36,164 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:33:36,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:36,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:36,709 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:33:36,710 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:36,737 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:36,738 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:33:36,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:36 BoogieIcfgContainer [2024-11-02 12:33:36,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:36,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:36,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:36,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:36,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:35" (1/3) ... [2024-11-02 12:33:36,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279cc00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:36, skipping insertion in model container [2024-11-02 12:33:36,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35" (2/3) ... [2024-11-02 12:33:36,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279cc00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:36, skipping insertion in model container [2024-11-02 12:33:36,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:36" (3/3) ... [2024-11-02 12:33:36,749 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2024-11-02 12:33:36,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:36,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-02 12:33:36,767 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:33:36,884 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-02 12:33:36,945 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 248 places, 255 transitions, 524 flow [2024-11-02 12:33:37,547 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10596 states, 10538 states have (on average 2.741601821977605) internal successors, (28891), 10595 states have internal predecessors, (28891), 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) [2024-11-02 12:33:37,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:37,601 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;@6c18826b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:37,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-02 12:33:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 10596 states, 10538 states have (on average 2.741601821977605) internal successors, (28891), 10595 states have internal predecessors, (28891), 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) [2024-11-02 12:33:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-02 12:33:37,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:37,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:37,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:37,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1849191193, now seen corresponding path program 1 times [2024-11-02 12:33:37,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:37,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413170136] [2024-11-02 12:33:37,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:38,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:38,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413170136] [2024-11-02 12:33:38,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413170136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:38,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:38,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964559237] [2024-11-02 12:33:38,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:38,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:38,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:38,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:38,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:38,092 INFO L87 Difference]: Start difference. First operand has 10596 states, 10538 states have (on average 2.741601821977605) internal successors, (28891), 10595 states have internal predecessors, (28891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:33:38,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:38,587 INFO L93 Difference]: Finished difference Result 18256 states and 49608 transitions. [2024-11-02 12:33:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:38,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-02 12:33:38,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:38,719 INFO L225 Difference]: With dead ends: 18256 [2024-11-02 12:33:38,720 INFO L226 Difference]: Without dead ends: 10495 [2024-11-02 12:33:38,745 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 [2024-11-02 12:33:38,751 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 2 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:38,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 428 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:38,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10495 states. [2024-11-02 12:33:39,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10495 to 10495. [2024-11-02 12:33:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10495 states, 10414 states have (on average 2.680622239293259) internal successors, (27916), 10494 states have internal predecessors, (27916), 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) [2024-11-02 12:33:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10495 states to 10495 states and 27916 transitions. [2024-11-02 12:33:39,434 INFO L78 Accepts]: Start accepts. Automaton has 10495 states and 27916 transitions. Word has length 22 [2024-11-02 12:33:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:39,436 INFO L471 AbstractCegarLoop]: Abstraction has 10495 states and 27916 transitions. [2024-11-02 12:33:39,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:33:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 10495 states and 27916 transitions. [2024-11-02 12:33:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-02 12:33:39,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:39,440 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] [2024-11-02 12:33:39,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:33:39,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:39,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:39,444 INFO L85 PathProgramCache]: Analyzing trace with hash -947320442, now seen corresponding path program 1 times [2024-11-02 12:33:39,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:39,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168241882] [2024-11-02 12:33:39,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:39,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:39,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:39,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168241882] [2024-11-02 12:33:39,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168241882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:39,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:39,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:39,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142280277] [2024-11-02 12:33:39,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:39,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:39,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:39,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:39,562 INFO L87 Difference]: Start difference. First operand 10495 states and 27916 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-02 12:33:39,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:39,696 INFO L93 Difference]: Finished difference Result 10495 states and 27916 transitions. [2024-11-02 12:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:39,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2024-11-02 12:33:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:39,782 INFO L225 Difference]: With dead ends: 10495 [2024-11-02 12:33:39,782 INFO L226 Difference]: Without dead ends: 10494 [2024-11-02 12:33:39,789 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 [2024-11-02 12:33:39,790 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 2 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:39,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 425 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:39,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10494 states. [2024-11-02 12:33:40,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10494 to 10494. [2024-11-02 12:33:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10494 states, 10414 states have (on average 2.680526214710966) internal successors, (27915), 10493 states have internal predecessors, (27915), 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) [2024-11-02 12:33:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10494 states to 10494 states and 27915 transitions. [2024-11-02 12:33:40,293 INFO L78 Accepts]: Start accepts. Automaton has 10494 states and 27915 transitions. Word has length 30 [2024-11-02 12:33:40,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:40,295 INFO L471 AbstractCegarLoop]: Abstraction has 10494 states and 27915 transitions. [2024-11-02 12:33:40,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-02 12:33:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 10494 states and 27915 transitions. [2024-11-02 12:33:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-02 12:33:40,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:40,297 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] [2024-11-02 12:33:40,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:33:40,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:40,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:40,303 INFO L85 PathProgramCache]: Analyzing trace with hash 42739571, now seen corresponding path program 1 times [2024-11-02 12:33:40,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:40,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981178115] [2024-11-02 12:33:40,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:40,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:40,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:40,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981178115] [2024-11-02 12:33:40,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981178115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:40,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:40,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:40,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727475095] [2024-11-02 12:33:40,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:40,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:40,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:40,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:40,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:40,476 INFO L87 Difference]: Start difference. First operand 10494 states and 27915 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-02 12:33:40,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:40,645 INFO L93 Difference]: Finished difference Result 10494 states and 27915 transitions. [2024-11-02 12:33:40,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:40,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2024-11-02 12:33:40,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:40,827 INFO L225 Difference]: With dead ends: 10494 [2024-11-02 12:33:40,828 INFO L226 Difference]: Without dead ends: 10493 [2024-11-02 12:33:40,835 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 [2024-11-02 12:33:40,836 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 2 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:40,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 420 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:40,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10493 states. [2024-11-02 12:33:41,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10493 to 10493. [2024-11-02 12:33:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10493 states, 10414 states have (on average 2.680430190128673) internal successors, (27914), 10492 states have internal predecessors, (27914), 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) [2024-11-02 12:33:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10493 states to 10493 states and 27914 transitions. [2024-11-02 12:33:41,351 INFO L78 Accepts]: Start accepts. Automaton has 10493 states and 27914 transitions. Word has length 38 [2024-11-02 12:33:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:41,352 INFO L471 AbstractCegarLoop]: Abstraction has 10493 states and 27914 transitions. [2024-11-02 12:33:41,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-02 12:33:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 10493 states and 27914 transitions. [2024-11-02 12:33:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-02 12:33:41,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:41,354 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] [2024-11-02 12:33:41,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:33:41,354 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:41,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:41,355 INFO L85 PathProgramCache]: Analyzing trace with hash 939753265, now seen corresponding path program 1 times [2024-11-02 12:33:41,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:41,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829606399] [2024-11-02 12:33:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:41,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:41,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:41,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829606399] [2024-11-02 12:33:41,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829606399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:41,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:41,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:41,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202711605] [2024-11-02 12:33:41,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:41,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:41,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:41,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:41,412 INFO L87 Difference]: Start difference. First operand 10493 states and 27914 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-02 12:33:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:41,549 INFO L93 Difference]: Finished difference Result 10493 states and 27914 transitions. [2024-11-02 12:33:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2024-11-02 12:33:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:41,726 INFO L225 Difference]: With dead ends: 10493 [2024-11-02 12:33:41,730 INFO L226 Difference]: Without dead ends: 10492 [2024-11-02 12:33:41,733 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 [2024-11-02 12:33:41,734 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 2 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:41,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 421 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10492 states. [2024-11-02 12:33:41,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10492 to 10492. [2024-11-02 12:33:42,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10492 states, 10414 states have (on average 2.68033416554638) internal successors, (27913), 10491 states have internal predecessors, (27913), 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) [2024-11-02 12:33:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10492 states to 10492 states and 27913 transitions. [2024-11-02 12:33:42,233 INFO L78 Accepts]: Start accepts. Automaton has 10492 states and 27913 transitions. Word has length 46 [2024-11-02 12:33:42,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:42,235 INFO L471 AbstractCegarLoop]: Abstraction has 10492 states and 27913 transitions. [2024-11-02 12:33:42,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-02 12:33:42,236 INFO L276 IsEmpty]: Start isEmpty. Operand 10492 states and 27913 transitions. [2024-11-02 12:33:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-02 12:33:42,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:42,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:42,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:33:42,239 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:42,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:42,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1325343806, now seen corresponding path program 1 times [2024-11-02 12:33:42,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488012366] [2024-11-02 12:33:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:42,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:42,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:42,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488012366] [2024-11-02 12:33:42,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488012366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:42,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:42,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:42,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008879966] [2024-11-02 12:33:42,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:42,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:42,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:42,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:42,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:42,368 INFO L87 Difference]: Start difference. First operand 10492 states and 27913 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:33:42,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:42,613 INFO L93 Difference]: Finished difference Result 10492 states and 27913 transitions. [2024-11-02 12:33:42,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:42,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-02 12:33:42,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:42,689 INFO L225 Difference]: With dead ends: 10492 [2024-11-02 12:33:42,690 INFO L226 Difference]: Without dead ends: 9968 [2024-11-02 12:33:42,697 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 [2024-11-02 12:33:42,700 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 163 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:42,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 291 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:33:42,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9968 states. [2024-11-02 12:33:43,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9968 to 9968. [2024-11-02 12:33:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9915 states have (on average 2.6739283913262732) internal successors, (26512), 9967 states have internal predecessors, (26512), 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) [2024-11-02 12:33:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 26512 transitions. [2024-11-02 12:33:43,132 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 26512 transitions. Word has length 55 [2024-11-02 12:33:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:43,133 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 26512 transitions. [2024-11-02 12:33:43,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:33:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 26512 transitions. [2024-11-02 12:33:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-02 12:33:43,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:43,135 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] [2024-11-02 12:33:43,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:33:43,136 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:43,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash 317624442, now seen corresponding path program 1 times [2024-11-02 12:33:43,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:43,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522219720] [2024-11-02 12:33:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:43,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:43,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:43,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522219720] [2024-11-02 12:33:43,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522219720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:43,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:43,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:43,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891061809] [2024-11-02 12:33:43,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:43,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:43,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:43,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:43,226 INFO L87 Difference]: Start difference. First operand 9968 states and 26512 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-11-02 12:33:43,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:43,445 INFO L93 Difference]: Finished difference Result 9968 states and 26512 transitions. [2024-11-02 12:33:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:43,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2024-11-02 12:33:43,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:43,504 INFO L225 Difference]: With dead ends: 9968 [2024-11-02 12:33:43,505 INFO L226 Difference]: Without dead ends: 9454 [2024-11-02 12:33:43,511 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 [2024-11-02 12:33:43,514 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 160 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:43,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 286 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:43,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9454 states. [2024-11-02 12:33:43,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9454 to 9454. [2024-11-02 12:33:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9454 states, 9421 states have (on average 2.6686126738138203) internal successors, (25141), 9453 states have internal predecessors, (25141), 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) [2024-11-02 12:33:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 25141 transitions. [2024-11-02 12:33:43,952 INFO L78 Accepts]: Start accepts. Automaton has 9454 states and 25141 transitions. Word has length 58 [2024-11-02 12:33:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:43,953 INFO L471 AbstractCegarLoop]: Abstraction has 9454 states and 25141 transitions. [2024-11-02 12:33:43,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-11-02 12:33:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 9454 states and 25141 transitions. [2024-11-02 12:33:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-02 12:33:43,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:43,959 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] [2024-11-02 12:33:43,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 12:33:43,959 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:43,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:43,960 INFO L85 PathProgramCache]: Analyzing trace with hash 567017611, now seen corresponding path program 1 times [2024-11-02 12:33:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:43,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246484147] [2024-11-02 12:33:43,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:44,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:44,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246484147] [2024-11-02 12:33:44,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246484147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:44,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:44,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:44,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735253644] [2024-11-02 12:33:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:44,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:44,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:44,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:44,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:44,027 INFO L87 Difference]: Start difference. First operand 9454 states and 25141 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-02 12:33:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:44,128 INFO L93 Difference]: Finished difference Result 11160 states and 29547 transitions. [2024-11-02 12:33:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:44,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2024-11-02 12:33:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:44,196 INFO L225 Difference]: With dead ends: 11160 [2024-11-02 12:33:44,196 INFO L226 Difference]: Without dead ends: 10826 [2024-11-02 12:33:44,204 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 [2024-11-02 12:33:44,207 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 159 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:44,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:44,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10826 states. [2024-11-02 12:33:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10826 to 9120. [2024-11-02 12:33:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9120 states, 9098 states have (on average 2.665311057375247) internal successors, (24249), 9119 states have internal predecessors, (24249), 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) [2024-11-02 12:33:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9120 states to 9120 states and 24249 transitions. [2024-11-02 12:33:44,715 INFO L78 Accepts]: Start accepts. Automaton has 9120 states and 24249 transitions. Word has length 61 [2024-11-02 12:33:44,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:44,716 INFO L471 AbstractCegarLoop]: Abstraction has 9120 states and 24249 transitions. [2024-11-02 12:33:44,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-02 12:33:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 9120 states and 24249 transitions. [2024-11-02 12:33:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-02 12:33:44,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:44,718 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] [2024-11-02 12:33:44,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 12:33:44,719 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:44,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:44,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1048582861, now seen corresponding path program 1 times [2024-11-02 12:33:44,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:44,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237164507] [2024-11-02 12:33:44,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:44,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:44,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:44,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237164507] [2024-11-02 12:33:44,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237164507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:44,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:44,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:44,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155972859] [2024-11-02 12:33:44,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:44,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:44,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:44,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:44,783 INFO L87 Difference]: Start difference. First operand 9120 states and 24249 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-02 12:33:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:44,915 INFO L93 Difference]: Finished difference Result 9120 states and 24249 transitions. [2024-11-02 12:33:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:44,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-11-02 12:33:44,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:44,975 INFO L225 Difference]: With dead ends: 9120 [2024-11-02 12:33:44,976 INFO L226 Difference]: Without dead ends: 8760 [2024-11-02 12:33:44,982 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 [2024-11-02 12:33:44,983 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 67 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:44,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 461 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2024-11-02 12:33:45,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8760. [2024-11-02 12:33:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8760 states, 8743 states have (on average 2.662472835411186) internal successors, (23278), 8759 states have internal predecessors, (23278), 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) [2024-11-02 12:33:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8760 states to 8760 states and 23278 transitions. [2024-11-02 12:33:45,359 INFO L78 Accepts]: Start accepts. Automaton has 8760 states and 23278 transitions. Word has length 63 [2024-11-02 12:33:45,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:45,360 INFO L471 AbstractCegarLoop]: Abstraction has 8760 states and 23278 transitions. [2024-11-02 12:33:45,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-02 12:33:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 8760 states and 23278 transitions. [2024-11-02 12:33:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-02 12:33:45,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:45,363 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] [2024-11-02 12:33:45,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-02 12:33:45,364 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:45,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:45,365 INFO L85 PathProgramCache]: Analyzing trace with hash -556902577, now seen corresponding path program 1 times [2024-11-02 12:33:45,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:45,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857391696] [2024-11-02 12:33:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:45,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:45,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857391696] [2024-11-02 12:33:45,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857391696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:45,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:45,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:45,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43495086] [2024-11-02 12:33:45,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:45,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:45,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:45,466 INFO L87 Difference]: Start difference. First operand 8760 states and 23278 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-02 12:33:45,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:45,586 INFO L93 Difference]: Finished difference Result 10343 states and 27362 transitions. [2024-11-02 12:33:45,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:45,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-11-02 12:33:45,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:45,796 INFO L225 Difference]: With dead ends: 10343 [2024-11-02 12:33:45,797 INFO L226 Difference]: Without dead ends: 9952 [2024-11-02 12:33:45,800 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 [2024-11-02 12:33:45,801 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 156 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:45,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 453 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9952 states. [2024-11-02 12:33:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9952 to 8369. [2024-11-02 12:33:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 8360 states have (on average 2.660287081339713) internal successors, (22240), 8368 states have internal predecessors, (22240), 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) [2024-11-02 12:33:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 22240 transitions. [2024-11-02 12:33:46,054 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 22240 transitions. Word has length 63 [2024-11-02 12:33:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:46,055 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 22240 transitions. [2024-11-02 12:33:46,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-02 12:33:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 22240 transitions. [2024-11-02 12:33:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-02 12:33:46,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:46,059 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] [2024-11-02 12:33:46,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-02 12:33:46,059 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:46,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:46,064 INFO L85 PathProgramCache]: Analyzing trace with hash 304350489, now seen corresponding path program 1 times [2024-11-02 12:33:46,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:46,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491678779] [2024-11-02 12:33:46,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:46,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:46,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491678779] [2024-11-02 12:33:46,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491678779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:46,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:46,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:46,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693586200] [2024-11-02 12:33:46,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:46,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:46,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:46,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:46,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:46,139 INFO L87 Difference]: Start difference. First operand 8369 states and 22240 transitions. Second operand has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-02 12:33:46,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:46,215 INFO L93 Difference]: Finished difference Result 8369 states and 22240 transitions. [2024-11-02 12:33:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:46,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-02 12:33:46,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:46,262 INFO L225 Difference]: With dead ends: 8369 [2024-11-02 12:33:46,262 INFO L226 Difference]: Without dead ends: 7942 [2024-11-02 12:33:46,268 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 [2024-11-02 12:33:46,269 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 60 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:46,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 445 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:46,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7942 states. [2024-11-02 12:33:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7942 to 7942. [2024-11-02 12:33:46,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7942 states, 7936 states have (on average 2.6588961693548385) internal successors, (21101), 7941 states have internal predecessors, (21101), 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) [2024-11-02 12:33:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7942 states to 7942 states and 21101 transitions. [2024-11-02 12:33:46,658 INFO L78 Accepts]: Start accepts. Automaton has 7942 states and 21101 transitions. Word has length 69 [2024-11-02 12:33:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:46,660 INFO L471 AbstractCegarLoop]: Abstraction has 7942 states and 21101 transitions. [2024-11-02 12:33:46,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-02 12:33:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7942 states and 21101 transitions. [2024-11-02 12:33:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-02 12:33:46,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:46,682 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:46,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-02 12:33:46,683 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:46,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash -180823065, now seen corresponding path program 1 times [2024-11-02 12:33:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:46,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250801651] [2024-11-02 12:33:46,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:46,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:46,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250801651] [2024-11-02 12:33:46,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250801651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:46,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:46,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:46,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955811664] [2024-11-02 12:33:46,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:46,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:46,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:46,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:46,748 INFO L87 Difference]: Start difference. First operand 7942 states and 21101 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-02 12:33:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:46,817 INFO L93 Difference]: Finished difference Result 7942 states and 21101 transitions. [2024-11-02 12:33:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:46,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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 98 [2024-11-02 12:33:46,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:46,860 INFO L225 Difference]: With dead ends: 7942 [2024-11-02 12:33:46,861 INFO L226 Difference]: Without dead ends: 7939 [2024-11-02 12:33:46,865 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 [2024-11-02 12:33:46,866 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 35 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:46,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 353 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:46,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7939 states. [2024-11-02 12:33:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7939 to 7939. [2024-11-02 12:33:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7939 states, 7936 states have (on average 2.6585181451612905) internal successors, (21098), 7938 states have internal predecessors, (21098), 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) [2024-11-02 12:33:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 21098 transitions. [2024-11-02 12:33:47,090 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 21098 transitions. Word has length 98 [2024-11-02 12:33:47,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:47,091 INFO L471 AbstractCegarLoop]: Abstraction has 7939 states and 21098 transitions. [2024-11-02 12:33:47,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-02 12:33:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 21098 transitions. [2024-11-02 12:33:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-02 12:33:47,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:47,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:47,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-02 12:33:47,114 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-02 12:33:47,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1260358542, now seen corresponding path program 1 times [2024-11-02 12:33:47,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:47,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919631008] [2024-11-02 12:33:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:33:47,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:47,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919631008] [2024-11-02 12:33:47,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919631008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:47,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:47,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:47,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648256282] [2024-11-02 12:33:47,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:47,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:47,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:47,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:47,177 INFO L87 Difference]: Start difference. First operand 7939 states and 21098 transitions. Second operand has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-11-02 12:33:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:47,373 INFO L93 Difference]: Finished difference Result 7963 states and 21123 transitions. [2024-11-02 12:33:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:47,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 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 102 [2024-11-02 12:33:47,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:47,388 INFO L225 Difference]: With dead ends: 7963 [2024-11-02 12:33:47,389 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:33:47,406 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 [2024-11-02 12:33:47,406 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 27 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:47,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 404 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:33:47,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:33:47,408 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) [2024-11-02 12:33:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:33:47,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2024-11-02 12:33:47,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:47,420 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:33:47,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-11-02 12:33:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:33:47,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:33:47,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-02 12:33:47,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-02 12:33:47,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-02 12:33:47,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-02 12:33:47,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-02 12:33:47,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-02 12:33:47,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-02 12:33:47,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-02 12:33:47,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-02 12:33:47,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-02 12:33:47,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-02 12:33:47,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-02 12:33:47,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-02 12:33:47,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-02 12:33:47,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-02 12:33:47,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-02 12:33:47,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-02 12:33:47,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-02 12:33:47,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-02 12:33:47,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-02 12:33:47,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2024-11-02 12:33:47,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining) [2024-11-02 12:33:47,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2024-11-02 12:33:47,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2024-11-02 12:33:47,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-02 12:33:47,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-02 12:33:47,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-02 12:33:47,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-02 12:33:47,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-02 12:33:47,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-02 12:33:47,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-02 12:33:47,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-02 12:33:47,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-02 12:33:47,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-02 12:33:47,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-02 12:33:47,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-02 12:33:47,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-02 12:33:47,439 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:47,445 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 12:33:47,446 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:33:47,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:33:47 BasicIcfg [2024-11-02 12:33:47,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:33:47,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:33:47,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:33:47,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:33:47,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:36" (3/4) ... [2024-11-02 12:33:47,454 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:33:47,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-02 12:33:47,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-02 12:33:47,465 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-02 12:33:47,465 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 12:33:47,466 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 12:33:47,466 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:33:47,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:33:47,579 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:33:47,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:33:47,580 INFO L158 Benchmark]: Toolchain (without parser) took 11956.46ms. Allocated memory was 146.8MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 118.1MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 413.4MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,580 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:47,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.51ms. Allocated memory is still 146.8MB. Free memory was 118.1MB in the beginning and 104.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.26ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,581 INFO L158 Benchmark]: Boogie Preprocessor took 29.83ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 101.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,581 INFO L158 Benchmark]: RCFGBuilder took 658.81ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 80.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,582 INFO L158 Benchmark]: TraceAbstraction took 10708.78ms. Allocated memory was 146.8MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 80.3MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 371.4MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,582 INFO L158 Benchmark]: Witness Printer took 128.69ms. Allocated memory is still 4.2GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:33:47,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.51ms. Allocated memory is still 146.8MB. Free memory was 118.1MB in the beginning and 104.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.26ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.83ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 101.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.81ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 80.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10708.78ms. Allocated memory was 146.8MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 80.3MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 371.4MB. Max. memory is 16.1GB. * Witness Printer took 128.69ms. Allocated memory is still 4.2GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: 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: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 360 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 835 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 835 mSDsluCounter, 4847 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1969 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 2878 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10596occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 3289 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 693 ConstructedInterpolants, 0 QuantifiedInterpolants, 717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-02 12:33:47,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb2ace-c4a1-4aed-864b-415accf82342/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE