./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/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_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/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_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/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 c1d27b7f98ac68d2da6120346c107c87df7f6f708200f0d5d2c806741122116e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:01,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:01,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-02 12:27:01,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:01,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:01,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:01,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:01,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:01,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:01,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:01,810 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:01,810 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:01,811 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:01,813 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:01,813 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:01,814 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:01,815 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:01,818 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:01,819 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:01,819 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:01,820 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:01,820 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:01,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:01,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:01,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:27:01,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:01,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:27:01,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:01,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:01,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:01,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:01,826 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 12:27:01,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:01,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:27:01,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:27:01,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:01,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:01,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:01,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:01,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:01,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:01,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:01,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:01,831 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:01,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:01,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:01,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:01,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:01,833 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_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1d27b7f98ac68d2da6120346c107c87df7f6f708200f0d5d2c806741122116e [2024-11-02 12:27:02,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:02,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:02,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:02,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:02,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:02,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c Unable to find full path for "g++" [2024-11-02 12:27:04,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:04,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:04,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2024-11-02 12:27:04,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/data/4e7db9673/4fa9cd1032934bedb20965e53c912209/FLAG183c21b60 [2024-11-02 12:27:04,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/data/4e7db9673/4fa9cd1032934bedb20965e53c912209 [2024-11-02 12:27:04,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:04,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:04,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:04,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:04,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:04,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4fe94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04, skipping insertion in model container [2024-11-02 12:27:04,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:04,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:04,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:04,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:04,865 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:04,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04 WrapperNode [2024-11-02 12:27:04,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:04,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:04,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:04,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:04,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,924 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 189 [2024-11-02 12:27:04,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:04,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:04,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:04,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:04,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:04,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:04,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:04,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:04,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (1/1) ... [2024-11-02 12:27:04,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:05,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:05,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:05,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9cc4b2f-0cdf-46af-8f05-145b59a11d92/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-02 12:27:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-02 12:27:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-02 12:27:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-02 12:27:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-02 12:27:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-02 12:27:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:27:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 12:27:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 12:27:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:27:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:27:05,049 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 12:27:05,165 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:05,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:06,003 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:27:06,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:06,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:06,233 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-02 12:27:06,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:06 BoogieIcfgContainer [2024-11-02 12:27:06,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:06,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:06,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:06,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:06,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:04" (1/3) ... [2024-11-02 12:27:06,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2884a885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:06, skipping insertion in model container [2024-11-02 12:27:06,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:04" (2/3) ... [2024-11-02 12:27:06,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2884a885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:06, skipping insertion in model container [2024-11-02 12:27:06,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:06" (3/3) ... [2024-11-02 12:27:06,247 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-11-02 12:27:06,266 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:06,266 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-11-02 12:27:06,266 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:27:06,386 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-02 12:27:06,440 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 334 places, 344 transitions, 709 flow [2024-11-02 12:27:11,034 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 77774 states, 77132 states have (on average 3.7753720894051757) internal successors, (291202), 77773 states have internal predecessors, (291202), 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 12:27:11,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:11,110 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;@51b063c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:11,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-02 12:27:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 77774 states, 77132 states have (on average 3.7753720894051757) internal successors, (291202), 77773 states have internal predecessors, (291202), 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 12:27:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 12:27:11,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:11,285 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] [2024-11-02 12:27:11,286 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-02 12:27:11,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:11,293 INFO L85 PathProgramCache]: Analyzing trace with hash 335780089, now seen corresponding path program 1 times [2024-11-02 12:27:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:11,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767760736] [2024-11-02 12:27:11,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:11,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:11,565 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 12:27:11,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:11,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767760736] [2024-11-02 12:27:11,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767760736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:11,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:11,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:27:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344658913] [2024-11-02 12:27:11,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:11,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:27:11,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:11,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:27:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:27:12,026 INFO L87 Difference]: Start difference. First operand has 77774 states, 77132 states have (on average 3.7753720894051757) internal successors, (291202), 77773 states have internal predecessors, (291202), 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 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 12:27:14,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:14,972 INFO L93 Difference]: Finished difference Result 118557 states and 476131 transitions. [2024-11-02 12:27:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:27:14,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2024-11-02 12:27:14,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:15,814 INFO L225 Difference]: With dead ends: 118557 [2024-11-02 12:27:15,814 INFO L226 Difference]: Without dead ends: 40816 [2024-11-02 12:27:15,965 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 12:27:15,969 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 2 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:15,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 555 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:27:16,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40816 states. [2024-11-02 12:27:17,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40816 to 40816. [2024-11-02 12:27:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40816 states, 40765 states have (on average 3.6237458604194774) internal successors, (147722), 40815 states have internal predecessors, (147722), 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 12:27:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40816 states to 40816 states and 147722 transitions. [2024-11-02 12:27:18,884 INFO L78 Accepts]: Start accepts. Automaton has 40816 states and 147722 transitions. Word has length 25 [2024-11-02 12:27:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:18,885 INFO L471 AbstractCegarLoop]: Abstraction has 40816 states and 147722 transitions. [2024-11-02 12:27:18,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 12:27:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 40816 states and 147722 transitions. [2024-11-02 12:27:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-02 12:27:18,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:18,888 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] [2024-11-02 12:27:18,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:27:18,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-02 12:27:18,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:18,890 INFO L85 PathProgramCache]: Analyzing trace with hash -948979931, now seen corresponding path program 1 times [2024-11-02 12:27:18,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:18,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198739953] [2024-11-02 12:27:18,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:18,951 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 12:27:18,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:18,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198739953] [2024-11-02 12:27:18,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198739953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:18,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:18,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:27:18,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897960911] [2024-11-02 12:27:18,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:18,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:27:18,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:18,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:27:18,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:27:18,961 INFO L87 Difference]: Start difference. First operand 40816 states and 147722 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 12:27:20,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:20,114 INFO L93 Difference]: Finished difference Result 40816 states and 147722 transitions. [2024-11-02 12:27:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:27:20,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2024-11-02 12:27:20,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:20,571 INFO L225 Difference]: With dead ends: 40816 [2024-11-02 12:27:20,572 INFO L226 Difference]: Without dead ends: 35185 [2024-11-02 12:27:20,602 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 12:27:20,603 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 254 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:20,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 297 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:27:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35185 states. [2024-11-02 12:27:21,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35185 to 35185. [2024-11-02 12:27:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35185 states, 35168 states have (on average 3.6163273430391265) internal successors, (127179), 35184 states have internal predecessors, (127179), 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 12:27:22,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35185 states to 35185 states and 127179 transitions. [2024-11-02 12:27:22,192 INFO L78 Accepts]: Start accepts. Automaton has 35185 states and 127179 transitions. Word has length 29 [2024-11-02 12:27:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:22,192 INFO L471 AbstractCegarLoop]: Abstraction has 35185 states and 127179 transitions. [2024-11-02 12:27:22,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 12:27:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 35185 states and 127179 transitions. [2024-11-02 12:27:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-02 12:27:22,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:22,195 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:22,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:27:22,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-02 12:27:22,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash 785090757, now seen corresponding path program 1 times [2024-11-02 12:27:22,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:22,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939831408] [2024-11-02 12:27:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:22,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:22,952 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 12:27:22,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:22,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939831408] [2024-11-02 12:27:22,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939831408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:22,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:22,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:27:22,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428198174] [2024-11-02 12:27:22,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:22,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:27:22,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:22,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:27:22,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:27:22,959 INFO L87 Difference]: Start difference. First operand 35185 states and 127179 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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 12:27:24,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:24,289 INFO L93 Difference]: Finished difference Result 35185 states and 127179 transitions. [2024-11-02 12:27:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:27:24,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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 12:27:24,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:24,620 INFO L225 Difference]: With dead ends: 35185 [2024-11-02 12:27:24,621 INFO L226 Difference]: Without dead ends: 35182 [2024-11-02 12:27:24,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:27:24,651 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 18 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:24,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 469 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-02 12:27:24,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35182 states. [2024-11-02 12:27:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35182 to 35182. [2024-11-02 12:27:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35182 states, 35168 states have (on average 3.6162420382165603) internal successors, (127176), 35181 states have internal predecessors, (127176), 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 12:27:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35182 states to 35182 states and 127176 transitions. [2024-11-02 12:27:26,231 INFO L78 Accepts]: Start accepts. Automaton has 35182 states and 127176 transitions. Word has length 58 [2024-11-02 12:27:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:26,232 INFO L471 AbstractCegarLoop]: Abstraction has 35182 states and 127176 transitions. [2024-11-02 12:27:26,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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 12:27:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35182 states and 127176 transitions. [2024-11-02 12:27:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-02 12:27:26,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:26,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:26,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:27:26,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-02 12:27:26,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 82838698, now seen corresponding path program 1 times [2024-11-02 12:27:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:26,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565831215] [2024-11-02 12:27:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:26,292 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 12:27:26,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565831215] [2024-11-02 12:27:26,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565831215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:26,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:26,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:27:26,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746103326] [2024-11-02 12:27:26,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:26,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:27:26,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:27:26,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:27:26,297 INFO L87 Difference]: Start difference. First operand 35182 states and 127176 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:27,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:27,178 INFO L93 Difference]: Finished difference Result 35182 states and 127176 transitions. [2024-11-02 12:27:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:27:27,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-02 12:27:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:27,464 INFO L225 Difference]: With dead ends: 35182 [2024-11-02 12:27:27,464 INFO L226 Difference]: Without dead ends: 35181 [2024-11-02 12:27:27,477 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 12:27:27,479 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 2 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:27,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 538 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:27:27,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35181 states. [2024-11-02 12:27:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35181 to 35181. [2024-11-02 12:27:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35181 states, 35168 states have (on average 3.616213603275705) internal successors, (127175), 35180 states have internal predecessors, (127175), 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 12:27:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35181 states to 35181 states and 127175 transitions. [2024-11-02 12:27:29,161 INFO L78 Accepts]: Start accepts. Automaton has 35181 states and 127175 transitions. Word has length 59 [2024-11-02 12:27:29,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:29,163 INFO L471 AbstractCegarLoop]: Abstraction has 35181 states and 127175 transitions. [2024-11-02 12:27:29,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 35181 states and 127175 transitions. [2024-11-02 12:27:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-02 12:27:29,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:29,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:29,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:27:29,176 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-02 12:27:29,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:29,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1979469290, now seen corresponding path program 1 times [2024-11-02 12:27:29,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:29,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132174004] [2024-11-02 12:27:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:29,265 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 12:27:29,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:29,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132174004] [2024-11-02 12:27:29,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132174004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:29,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:29,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:27:29,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633978200] [2024-11-02 12:27:29,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:29,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:27:29,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:27:29,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:27:29,272 INFO L87 Difference]: Start difference. First operand 35181 states and 127175 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:29,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:29,832 INFO L93 Difference]: Finished difference Result 35181 states and 127175 transitions. [2024-11-02 12:27:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:27:29,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-02 12:27:29,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:30,128 INFO L225 Difference]: With dead ends: 35181 [2024-11-02 12:27:30,129 INFO L226 Difference]: Without dead ends: 35180 [2024-11-02 12:27:30,150 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 12:27:30,153 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 2 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:30,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 536 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:27:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35180 states.