./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16badef15fc63e9ddc5177a1b2c95333295e395a70b18e0490e8c8921933ac0e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:16:54,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:16:54,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-08 12:16:54,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:16:54,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:16:54,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:16:54,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:16:54,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:16:54,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:16:54,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:16:54,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:16:54,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:16:54,856 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:16:54,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:16:54,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:16:54,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:16:54,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:16:54,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:16:54,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:16:54,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:16:54,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:16:54,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:16:54,869 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 12:16:54,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:16:54,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:16:54,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:16:54,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:16:54,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:16:54,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:16:54,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:16:54,871 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-08 12:16:54,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:16:54,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:16:54,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:16:54,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:16:54,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:16:54,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:16:54,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:16:54,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:16:54,877 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:16:54,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:16:54,878 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:16:54,878 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:16:54,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16badef15fc63e9ddc5177a1b2c95333295e395a70b18e0490e8c8921933ac0e [2024-11-08 12:16:55,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:16:55,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:16:55,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:16:55,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:16:55,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:16:55,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init.i Unable to find full path for "g++" [2024-11-08 12:16:57,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:16:57,341 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:16:57,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/sv-benchmarks/c/pthread-race-challenges/per-thread-array-init.i [2024-11-08 12:16:57,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/data/da1e9b8ea/81b32ec5057b472b875ca98b687b2525/FLAGfa59062f9 [2024-11-08 12:16:57,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/data/da1e9b8ea/81b32ec5057b472b875ca98b687b2525 [2024-11-08 12:16:57,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:16:57,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:16:57,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:16:57,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:16:57,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:16:57,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:16:57" (1/1) ... [2024-11-08 12:16:57,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129962c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:57, skipping insertion in model container [2024-11-08 12:16:57,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:16:57" (1/1) ... [2024-11-08 12:16:57,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:16:58,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:16:58,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:16:58,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:16:58,380 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:16:58,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58 WrapperNode [2024-11-08 12:16:58,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:16:58,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:16:58,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:16:58,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:16:58,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,431 INFO L138 Inliner]: procedures = 261, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-11-08 12:16:58,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:16:58,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:16:58,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:16:58,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:16:58,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:16:58,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:16:58,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:16:58,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:16:58,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (1/1) ... [2024-11-08 12:16:58,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:16:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:16:58,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:16:58,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:16:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:16:58,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:16:58,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:16:58,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 12:16:58,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-08 12:16:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-08 12:16:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:16:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:16:58,557 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:16:58,747 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:16:58,750 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:16:59,027 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:16:59,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:16:59,052 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:16:59,053 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:16:59,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:16:59 BoogieIcfgContainer [2024-11-08 12:16:59,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:16:59,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:16:59,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:16:59,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:16:59,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:16:57" (1/3) ... [2024-11-08 12:16:59,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56419ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:16:59, skipping insertion in model container [2024-11-08 12:16:59,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:16:58" (2/3) ... [2024-11-08 12:16:59,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56419ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:16:59, skipping insertion in model container [2024-11-08 12:16:59,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:16:59" (3/3) ... [2024-11-08 12:16:59,070 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-init.i [2024-11-08 12:16:59,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:16:59,090 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 12:16:59,091 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:16:59,194 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 12:16:59,266 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:16:59,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:16:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:16:59,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:16:59,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:16:59,324 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:16:59,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2024-11-08 12:16:59,347 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=PARTIAL_ORDER_FA, 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;@4376cbad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:16:59,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:16:59,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:16:59,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:16:59,857 INFO L85 PathProgramCache]: Analyzing trace with hash -629129671, now seen corresponding path program 1 times [2024-11-08 12:16:59,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:16:59,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389362683] [2024-11-08 12:16:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:16:59,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:16:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:00,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:00,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389362683] [2024-11-08 12:17:00,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389362683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:17:00,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:17:00,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:17:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493760898] [2024-11-08 12:17:00,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:00,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:17:00,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:00,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:17:00,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:17:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:00,169 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:00,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2024-11-08 12:17:00,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:00,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:17:00,192 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:17:00,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:00,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2055422747, now seen corresponding path program 1 times [2024-11-08 12:17:00,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:00,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596230087] [2024-11-08 12:17:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:00,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:01,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:01,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596230087] [2024-11-08 12:17:01,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596230087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:17:01,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:17:01,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:17:01,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508470904] [2024-11-08 12:17:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:01,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:17:01,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:01,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:17:01,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:17:01,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:01,050 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:01,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-08 12:17:01,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:01,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:02,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:17:02,157 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:17:02,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1089571004, now seen corresponding path program 1 times [2024-11-08 12:17:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:02,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688897644] [2024-11-08 12:17:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:03,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:03,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688897644] [2024-11-08 12:17:03,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688897644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:03,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373758708] [2024-11-08 12:17:03,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:03,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:03,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:03,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:03,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:17:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:03,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 12:17:03,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:03,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:17:03,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:17:03,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:17:04,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:17:04,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:04,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:04,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:04,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:17:04,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:17:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:04,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:17:04,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373758708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:17:04,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:17:04,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:17:04,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086530655] [2024-11-08 12:17:04,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:04,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:17:04,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:04,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:17:04,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:17:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:04,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:04,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:17:04,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:04,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:04,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:06,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:17:06,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:06,626 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:17:06,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash 667135687, now seen corresponding path program 2 times [2024-11-08 12:17:06,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:06,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256350355] [2024-11-08 12:17:06,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:06,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:09,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:09,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256350355] [2024-11-08 12:17:09,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256350355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:09,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040244093] [2024-11-08 12:17:09,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:17:09,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:09,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:09,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:09,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:17:09,510 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:17:09,511 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:17:09,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 12:17:09,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:09,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:17:09,551 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:17:09,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:17:09,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:17:09,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:17:09,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:17:09,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:17:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:17:10,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:17:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:17:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:10,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:17:10,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-08 12:17:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:10,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:13,642 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~i~1#1| 1))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse1 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse0 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse1) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse1 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse1) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse1) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse2))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse3 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse0 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse3) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse3 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 3)) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse2))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_27| .cse2) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse4 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse0 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse4 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse5 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse0 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse5) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse5 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse2))))) is different from false [2024-11-08 12:17:14,038 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_threadThread1of1ForFork0_~p~0.offset 3))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse7 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse3 (+ |c_ULTIMATE.start_main_~i~1#1| 1))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse2 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse2) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse2 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse2) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse2) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3) (= 0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse4 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse4 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1))))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse5 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse5) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse5 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse6 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse6) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse6 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) .cse7) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3))))))) is different from false [2024-11-08 12:17:16,454 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse9 (+ c_threadThread1of1ForFork0_~p~0.offset 1)) (.cse7 (+ c_threadThread1of1ForFork0_~p~0.offset 2)) (.cse5 (+ c_threadThread1of1ForFork0_~p~0.offset 3))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (store (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse9 0) .cse7 0) .cse5 0)))) (let ((.cse3 (+ |c_ULTIMATE.start_main_~i~1#1| 1)) (.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse2 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse2) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse2 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse2) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse2) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse4 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse4 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) .cse5) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse6 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse6) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse6 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) .cse7) 0) (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3))) (forall ((|v_ULTIMATE.start_main_~i~1#1_27| Int) (v_ArrVal_247 Int) (|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_249 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_27| .cse3) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse8 (* |v_ULTIMATE.start_main_~i~1#1_27| 4))) (store (store (store (store .cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse8) |ULTIMATE.start_main_#t~nondet7#1|) (+ |c_ULTIMATE.start_main_~is~0#1.offset| .cse8 1) v_ArrVal_247) (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse8) v_ArrVal_249) (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse8) v_ArrVal_250))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_252) c_threadThread1of1ForFork0_~p~0.base) .cse9) 0))))))) is different from false [2024-11-08 12:17:16,923 INFO L349 Elim1Store]: treesize reduction 680, result has 32.0 percent of original size [2024-11-08 12:17:16,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 332 [2024-11-08 12:17:16,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:17:16,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 294 treesize of output 266 [2024-11-08 12:17:17,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:17:17,299 INFO L349 Elim1Store]: treesize reduction 999, result has 0.1 percent of original size [2024-11-08 12:17:17,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 92 treesize of output 1 [2024-11-08 12:17:17,552 INFO L349 Elim1Store]: treesize reduction 908, result has 9.2 percent of original size [2024-11-08 12:17:17,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 104 [2024-11-08 12:17:17,584 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:17:17,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-11-08 12:17:17,691 INFO L349 Elim1Store]: treesize reduction 999, result has 0.1 percent of original size [2024-11-08 12:17:17,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 1 [2024-11-08 12:17:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 8 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:19,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040244093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:17:19,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:17:19,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 19] total 41 [2024-11-08 12:17:19,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12038777] [2024-11-08 12:17:19,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:17:19,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-08 12:17:19,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:19,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-08 12:17:19,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1213, Unknown=76, NotChecked=228, Total=1722 [2024-11-08 12:17:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:19,272 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:19,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.5609756097560976) internal successors, (146), 42 states have internal predecessors, (146), 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) [2024-11-08 12:17:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:33,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:17:34,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:17:34,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:34,196 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:17:34,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:34,196 INFO L85 PathProgramCache]: Analyzing trace with hash -960540742, now seen corresponding path program 3 times [2024-11-08 12:17:34,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:34,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552008981] [2024-11-08 12:17:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:34,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:35,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:35,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552008981] [2024-11-08 12:17:35,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552008981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:35,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084202246] [2024-11-08 12:17:35,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:17:35,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:35,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:35,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:35,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:17:35,367 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 12:17:35,367 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:17:35,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 12:17:35,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:35,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:17:35,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:17:35,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:17:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:36,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:17:36,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 31 [2024-11-08 12:17:36,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:17:36,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:17:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:36,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:38,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084202246] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:38,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:17:38,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 14] total 33 [2024-11-08 12:17:38,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162920875] [2024-11-08 12:17:38,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:38,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:17:38,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:38,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:17:38,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 12:17:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:38,015 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:38,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:17:38,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:38,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:38,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:38,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:17:38,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:41,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:17:44,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:17:48,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:17:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:51,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:17:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:17:51,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 12:17:51,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:51,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:17:51,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:51,212 INFO L85 PathProgramCache]: Analyzing trace with hash 288007196, now seen corresponding path program 4 times [2024-11-08 12:17:51,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:51,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267992417] [2024-11-08 12:17:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:51,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:52,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:52,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267992417] [2024-11-08 12:17:52,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267992417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:52,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216834213] [2024-11-08 12:17:52,276 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:17:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:52,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:52,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:17:52,380 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:17:52,380 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:17:52,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 12:17:52,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:52,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:17:52,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:17:52,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:17:53,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2024-11-08 12:17:53,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:17:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:53,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:17:53,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:17:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:53,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:17:53,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216834213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:17:53,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:17:53,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:17:53,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153606323] [2024-11-08 12:17:53,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:53,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:17:53,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:53,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:17:53,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:17:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:53,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:53,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 12 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) [2024-11-08 12:17:53,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:53,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:53,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:53,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:17:53,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:17:53,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:17:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:17:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:17:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:17:55,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 12:17:55,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:55,342 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:17:55,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:55,342 INFO L85 PathProgramCache]: Analyzing trace with hash -340726851, now seen corresponding path program 5 times [2024-11-08 12:17:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:55,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636230890] [2024-11-08 12:17:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:55,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:57,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:57,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636230890] [2024-11-08 12:17:57,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636230890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:57,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493241871] [2024-11-08 12:17:57,257 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:17:57,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:57,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:57,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:17:57,399 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:17:57,399 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:17:57,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-08 12:17:57,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:57,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:17:57,445 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:17:57,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:17:57,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:17:57,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:17:57,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:17:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:58,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2024-11-08 12:17:58,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:17:58,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:58,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:17:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:58,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:17:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:17:58,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:17:58,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-11-08 12:17:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:58,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:59,081 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3)) (.cse2 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3))) (and (forall ((v_ArrVal_526 (Array Int Int)) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_523) .cse2 v_ArrVal_525)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_526 (Array Int Int)) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_523) .cse2 v_ArrVal_525)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0)) (forall ((v_ArrVal_526 (Array Int Int)) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_523) .cse2 v_ArrVal_525)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 3)) 0)) (forall ((v_ArrVal_526 (Array Int Int)) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_523) .cse2 v_ArrVal_525)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0))))) is different from false [2024-11-08 12:18:08,267 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 (+ c_threadThread1of1ForFork0_~p~0.offset 2))) (let ((.cse3 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse10 0)))) (let ((.cse5 (select .cse3 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse4 (+ c_threadThread1of1ForFork0_~p~0.offset 3)) (.cse6 (+ |c_ULTIMATE.start_main_~i~1#1| 1))) (and (forall ((v_ArrVal_521 Int) (v_ArrVal_526 (Array Int Int)) (|ULTIMATE.start_main_#t~nondet7#1| Int) (|v_ULTIMATE.start_main_~i~1#1_30| Int) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (or (= (select (select (store (let ((.cse2 (* |v_ULTIMATE.start_main_~i~1#1_30| 4))) (let ((.cse1 (store .cse5 (+ .cse2 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|))) (let ((.cse0 (store (select (store .cse3 |c_ULTIMATE.start_main_~is~0#1.base| .cse1) c_threadThread1of1ForFork0_~p~0.base) .cse4 0))) (store (store |c_#race| c_threadThread1of1ForFork0_~p~0.base .cse0) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| .cse1) c_threadThread1of1ForFork0_~p~0.base .cse0) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse2 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_521) (+ 2 .cse2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_523) (+ 3 .cse2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_525))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0) (< |v_ULTIMATE.start_main_~i~1#1_30| .cse6))) (forall ((v_ArrVal_521 Int) (v_ArrVal_526 (Array Int Int)) (|ULTIMATE.start_main_#t~nondet7#1| Int) (|v_ULTIMATE.start_main_~i~1#1_30| Int) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (or (= (select (select (store (let ((.cse9 (* |v_ULTIMATE.start_main_~i~1#1_30| 4))) (let ((.cse8 (store .cse5 (+ .cse9 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|))) (let ((.cse7 (store (select (store .cse3 |c_ULTIMATE.start_main_~is~0#1.base| .cse8) c_threadThread1of1ForFork0_~p~0.base) .cse4 0))) (store (store |c_#race| c_threadThread1of1ForFork0_~p~0.base .cse7) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| .cse8) c_threadThread1of1ForFork0_~p~0.base .cse7) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_521) (+ 2 .cse9 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_523) (+ 3 .cse9 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_525))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) .cse10) 0) (< |v_ULTIMATE.start_main_~i~1#1_30| .cse6))) (forall ((v_ArrVal_521 Int) (v_ArrVal_526 (Array Int Int)) (|ULTIMATE.start_main_#t~nondet7#1| Int) (|v_ULTIMATE.start_main_~i~1#1_30| Int) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (or (= (select (select (store (let ((.cse13 (* |v_ULTIMATE.start_main_~i~1#1_30| 4))) (let ((.cse12 (store .cse5 (+ .cse13 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|))) (let ((.cse11 (store (select (store .cse3 |c_ULTIMATE.start_main_~is~0#1.base| .cse12) c_threadThread1of1ForFork0_~p~0.base) .cse4 0))) (store (store |c_#race| c_threadThread1of1ForFork0_~p~0.base .cse11) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| .cse12) c_threadThread1of1ForFork0_~p~0.base .cse11) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse13 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_521) (+ 2 .cse13 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_523) (+ 3 .cse13 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_525))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0) (< |v_ULTIMATE.start_main_~i~1#1_30| .cse6))) (forall ((v_ArrVal_521 Int) (v_ArrVal_526 (Array Int Int)) (|ULTIMATE.start_main_#t~nondet7#1| Int) (|v_ULTIMATE.start_main_~i~1#1_30| Int) (v_ArrVal_525 Int) (v_ArrVal_523 Int)) (or (= (select (select (store (let ((.cse16 (* |v_ULTIMATE.start_main_~i~1#1_30| 4))) (let ((.cse15 (store .cse5 (+ .cse16 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|))) (let ((.cse14 (store (select (store .cse3 |c_ULTIMATE.start_main_~is~0#1.base| .cse15) c_threadThread1of1ForFork0_~p~0.base) .cse4 0))) (store (store |c_#race| c_threadThread1of1ForFork0_~p~0.base .cse14) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| .cse15) c_threadThread1of1ForFork0_~p~0.base .cse14) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse16 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_521) (+ 2 .cse16 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_523) (+ 3 .cse16 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_525))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_526) c_threadThread1of1ForFork0_~p~0.base) .cse4) 0) (< |v_ULTIMATE.start_main_~i~1#1_30| .cse6))))))) is different from false [2024-11-08 12:18:14,160 INFO L349 Elim1Store]: treesize reduction 65, result has 63.9 percent of original size [2024-11-08 12:18:14,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 229 treesize of output 291 [2024-11-08 12:18:14,186 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 12:18:14,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 126 [2024-11-08 12:18:14,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 242 [2024-11-08 12:18:14,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 101 [2024-11-08 12:18:14,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:18:14,384 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:18:14,514 INFO L349 Elim1Store]: treesize reduction 113, result has 37.2 percent of original size [2024-11-08 12:18:14,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 195 treesize of output 209 [2024-11-08 12:18:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:14,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2024-11-08 12:18:14,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:18:14,560 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:18:14,562 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:18:14,563 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:18:14,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2024-11-08 12:18:14,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:18:14,598 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-08 12:18:14,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 163 treesize of output 1 [2024-11-08 12:18:14,606 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:18:14,633 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-08 12:18:14,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 187 treesize of output 1 [2024-11-08 12:18:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 6 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-08 12:18:17,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493241871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:18:17,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:18:17,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19] total 47 [2024-11-08 12:18:17,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625429797] [2024-11-08 12:18:17,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:18:17,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-08 12:18:17,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:18:17,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-08 12:18:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1746, Unknown=99, NotChecked=178, Total=2256 [2024-11-08 12:18:17,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:17,172 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:18:17,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.7872340425531914) internal successors, (178), 48 states have internal predecessors, (178), 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) [2024-11-08 12:18:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:18:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:18:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:18:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:18:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:18:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:18:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:32,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:18:32,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:18:32,485 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:18:32,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:18:32,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1761129502, now seen corresponding path program 6 times [2024-11-08 12:18:32,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:18:32,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022809130] [2024-11-08 12:18:32,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:18:32,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:18:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:18:33,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:33,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:18:33,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022809130] [2024-11-08 12:18:33,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022809130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:18:33,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706944172] [2024-11-08 12:18:33,259 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:18:33,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:18:33,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:18:33,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:18:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:18:33,387 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-08 12:18:33,388 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:18:33,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 12:18:33,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:18:33,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:18:33,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:18:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:34,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:18:34,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2024-11-08 12:18:34,110 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:18:34,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:18:34,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:18:34,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:18:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:34,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:18:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:35,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706944172] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 12:18:35,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:18:35,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 14] total 32 [2024-11-08 12:18:35,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419426256] [2024-11-08 12:18:35,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:18:35,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:18:35,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:18:35,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:18:35,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=904, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 12:18:35,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:35,099 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:18:35,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:18:35,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:35,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:18:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:18:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:18:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:18:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:18:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:39,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 12:18:39,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 12:18:39,815 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:18:39,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:18:39,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1239559412, now seen corresponding path program 7 times [2024-11-08 12:18:39,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:18:39,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185749665] [2024-11-08 12:18:39,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:18:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:18:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:18:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:40,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:18:40,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185749665] [2024-11-08 12:18:40,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185749665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:18:40,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64004017] [2024-11-08 12:18:40,857 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-08 12:18:40,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:18:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:18:40,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:18:40,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:18:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:18:40,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 12:18:40,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:18:41,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:18:41,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:18:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:41,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-08 12:18:41,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:18:41,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:18:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:41,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:18:41,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:18:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:41,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:18:41,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64004017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:18:41,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:18:41,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:18:41,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153813805] [2024-11-08 12:18:41,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:18:41,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:18:41,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:18:41,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:18:41,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:18:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:41,570 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:18:41,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 12 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) [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:43,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:18:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:18:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:18:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:18:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:18:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:18:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:18:43,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 12:18:43,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:18:43,551 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:18:43,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:18:43,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1293298203, now seen corresponding path program 8 times [2024-11-08 12:18:43,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:18:43,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12448536] [2024-11-08 12:18:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:18:43,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:18:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:18:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:45,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:18:45,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12448536] [2024-11-08 12:18:45,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12448536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:18:45,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907238648] [2024-11-08 12:18:45,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:18:45,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:18:45,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:18:45,385 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:18:45,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:18:45,522 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:18:45,522 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:18:45,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 12:18:45,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:18:45,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:18:45,585 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:18:45,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:18:45,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:18:46,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:18:46,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:46,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2024-11-08 12:18:46,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:18:46,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:18:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:46,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:18:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:46,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:18:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:18:46,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:18:46,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-11-08 12:18:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:46,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:18:46,895 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_800 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0)) (forall ((v_ArrVal_800 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_800 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_800 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 3)) 0))) is different from false [2024-11-08 12:18:47,407 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse4)) (.cse2 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4)) (.cse3 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4))) (and (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_794) .cse2 v_ArrVal_797) .cse3 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_794) .cse2 v_ArrVal_797) .cse3 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0)) (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_794) .cse2 v_ArrVal_797) .cse3 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 3)) 0)) (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_794) .cse2 v_ArrVal_797) .cse3 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0))))) is different from false [2024-11-08 12:18:47,458 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ c_threadThread1of1ForFork0_~p~0.offset 3))) (let ((.cse6 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse6)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6))) (and (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_794) .cse3 v_ArrVal_797) .cse4 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0)) (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_794) .cse3 v_ArrVal_797) .cse4 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_794) .cse3 v_ArrVal_797) .cse4 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_797 Int) (v_ArrVal_794 Int) (v_ArrVal_800 (Array Int Int)) (v_ArrVal_799 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_794) .cse3 v_ArrVal_797) .cse4 v_ArrVal_799)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_800) c_threadThread1of1ForFork0_~p~0.base) .cse5) 0)))))) is different from false [2024-11-08 12:19:05,530 INFO L349 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2024-11-08 12:19:05,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 219 treesize of output 260 [2024-11-08 12:19:05,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 211 [2024-11-08 12:19:05,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2024-11-08 12:19:05,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:19:05,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 9 [2024-11-08 12:19:05,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:19:05,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 211 treesize of output 201 [2024-11-08 12:19:05,806 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:19:05,825 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-11-08 12:19:05,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 153 treesize of output 1 [2024-11-08 12:19:05,832 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:19:05,857 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-11-08 12:19:05,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 177 treesize of output 1 [2024-11-08 12:19:05,863 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:19:05,935 INFO L349 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2024-11-08 12:19:05,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 153 treesize of output 164 [2024-11-08 12:19:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:05,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2024-11-08 12:19:05,976 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:19:05,978 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:19:05,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2024-11-08 12:19:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2024-11-08 12:19:08,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907238648] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:19:08,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:19:08,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19] total 46 [2024-11-08 12:19:08,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711428488] [2024-11-08 12:19:08,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:19:08,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-08 12:19:08,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:19:08,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-08 12:19:08,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1625, Unknown=57, NotChecked=258, Total=2162 [2024-11-08 12:19:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:08,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:19:08,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 3.8043478260869565) internal successors, (175), 47 states have internal predecessors, (175), 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) [2024-11-08 12:19:08,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:08,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:19:08,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:19:08,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:19:08,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:19:08,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:08,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:08,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:08,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:19:08,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:19:15,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 12:19:15,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 12:19:15,796 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:19:15,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:19:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash 697944732, now seen corresponding path program 9 times [2024-11-08 12:19:15,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:19:15,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039521481] [2024-11-08 12:19:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:19:15,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:19:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:19:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:16,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:19:16,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039521481] [2024-11-08 12:19:16,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039521481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:19:16,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692748182] [2024-11-08 12:19:16,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:19:16,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:19:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:19:16,412 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:19:16,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 12:19:16,532 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 12:19:16,533 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:19:16,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 12:19:16,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:19:16,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:19:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:16,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2024-11-08 12:19:16,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:19:16,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:19:16,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:19:16,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:19:16,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:19:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:16,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:19:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692748182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:19:16,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:19:16,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 18 [2024-11-08 12:19:16,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027485483] [2024-11-08 12:19:16,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:19:16,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:19:16,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:19:16,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:19:16,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-08 12:19:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:16,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:19:16,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:19:16,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:19:16,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:19:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:19:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:19:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:19:18,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 12:19:18,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 12:19:18,777 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:19:18,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:19:18,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1965077535, now seen corresponding path program 10 times [2024-11-08 12:19:18,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:19:18,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73244647] [2024-11-08 12:19:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:19:18,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:19:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:19:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:20,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:19:20,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73244647] [2024-11-08 12:19:20,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73244647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:19:20,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697865625] [2024-11-08 12:19:20,495 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:19:20,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:19:20,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:19:20,496 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:19:20,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 12:19:20,754 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:19:20,754 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:19:20,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 12:19:20,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:19:21,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:19:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:21,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:19:21,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:19:21,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:19:21,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:19:21,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:21,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:19:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:21,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:19:21,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:21,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:19:21,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:19:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:19:21,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:19:21,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 41 [2024-11-08 12:19:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:21,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:21:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:21:04,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697865625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:21:04,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:21:04,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 18] total 49 [2024-11-08 12:21:04,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117673074] [2024-11-08 12:21:04,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:21:04,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-08 12:21:04,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:21:04,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-08 12:21:04,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=2204, Unknown=14, NotChecked=0, Total=2450 [2024-11-08 12:21:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:21:04,686 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:21:04,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.693877551020408) internal successors, (181), 50 states have internal predecessors, (181), 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) [2024-11-08 12:21:04,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:21:04,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:21:04,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:21:04,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:21:04,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:21:04,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:21:04,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:21:04,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:21:04,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:21:04,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:21:04,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:21:04,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:21:26,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:22:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:22:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:11,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 12:22:12,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:22:12,158 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:22:12,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:12,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1870511338, now seen corresponding path program 11 times [2024-11-08 12:22:12,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:12,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368432530] [2024-11-08 12:22:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:13,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:13,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368432530] [2024-11-08 12:22:13,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368432530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:22:13,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451787260] [2024-11-08 12:22:13,098 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:22:13,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:22:13,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:22:13,100 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:22:13,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 12:22:13,266 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:22:13,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:22:13,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 12:22:13,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:22:13,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:22:13,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:22:13,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:22:13,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:22:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:13,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:22:13,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:22:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:13,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:22:13,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451787260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:13,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:22:13,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:22:13,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549102108] [2024-11-08 12:22:13,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:13,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:22:13,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:22:13,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:22:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:13,834 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:13,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 12 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) [2024-11-08 12:22:13,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:13,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:13,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:13,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:22:13,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:22:13,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:13,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:13,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:13,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:13,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:13,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:22:13,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:13,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:20,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:22:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:22:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:20,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-08 12:22:20,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 12:22:20,308 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:22:20,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:20,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1581021693, now seen corresponding path program 12 times [2024-11-08 12:22:20,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:20,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283056582] [2024-11-08 12:22:20,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:20,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:22,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:22,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283056582] [2024-11-08 12:22:22,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283056582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:22:22,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113993642] [2024-11-08 12:22:22,237 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:22:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:22:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:22:22,238 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:22:22,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 12:22:22,458 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-08 12:22:22,458 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:22:22,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 12:22:22,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:22:22,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:22:22,560 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:22:22,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:22:23,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:22:23,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:22:23,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:22:23,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:22:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:22:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:22:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:23,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:22:23,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-08 12:22:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:23,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:22:24,128 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 3)) 0)) (forall ((v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0)))) is different from false [2024-11-08 12:22:24,594 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ c_threadThread1of1ForFork0_~p~0.offset 3))) (let ((.cse6 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse6)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6))) (and (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 2)) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)))))) is different from false [2024-11-08 12:22:24,656 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ c_threadThread1of1ForFork0_~p~0.offset 2)) (.cse6 (+ c_threadThread1of1ForFork0_~p~0.offset 3))) (let ((.cse7 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse5 0) .cse6 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse7)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse7)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse7))) (and (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) (+ c_threadThread1of1ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) .cse6) 0)))))) is different from false [2024-11-08 12:22:24,716 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_threadThread1of1ForFork0_~p~0.offset 1)) (.cse6 (+ c_threadThread1of1ForFork0_~p~0.offset 2)) (.cse5 (+ c_threadThread1of1ForFork0_~p~0.offset 3))) (let ((.cse8 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of1ForFork0_~p~0.base (store (store (store (select |c_#race| c_threadThread1of1ForFork0_~p~0.base) .cse7 0) .cse6 0) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse8)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse8)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse8))) (and (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) .cse6) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) c_threadThread1of1ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_1173 Int) (v_ArrVal_1176 Int) (v_ArrVal_1177 Int) (v_ArrVal_1179 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1173) .cse3 v_ArrVal_1176) .cse4 v_ArrVal_1177)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1179) c_threadThread1of1ForFork0_~p~0.base) .cse7) 0)))))) is different from false [2024-11-08 12:22:25,047 INFO L349 Elim1Store]: treesize reduction 424, result has 37.1 percent of original size [2024-11-08 12:22:25,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 85 treesize of output 260 [2024-11-08 12:22:25,059 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:22:25,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 232 treesize of output 206 [2024-11-08 12:22:25,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 12:22:25,272 INFO L349 Elim1Store]: treesize reduction 614, result has 8.9 percent of original size [2024-11-08 12:22:25,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 87 treesize of output 72 [2024-11-08 12:22:25,280 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:22:25,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:22:25,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2024-11-08 12:22:25,530 INFO L349 Elim1Store]: treesize reduction 526, result has 22.0 percent of original size [2024-11-08 12:22:25,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 87 treesize of output 160 [2024-11-08 12:22:25,555 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:22:25,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 66 [2024-11-08 12:22:25,630 INFO L349 Elim1Store]: treesize reduction 673, result has 0.1 percent of original size [2024-11-08 12:22:25,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 87 treesize of output 1 [2024-11-08 12:22:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 1 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-08 12:22:26,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113993642] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:22:26,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:22:26,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 18] total 42 [2024-11-08 12:22:26,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68660455] [2024-11-08 12:22:26,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:22:26,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-08 12:22:26,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:26,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-08 12:22:26,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1281, Unknown=24, NotChecked=308, Total=1806 [2024-11-08 12:22:26,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:26,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:26,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 4.0) internal successors, (168), 43 states have internal predecessors, (168), 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) [2024-11-08 12:22:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:22:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:22:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:32,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:22:32,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2024-11-08 12:22:32,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-08 12:22:33,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 12:22:33,087 INFO L407 BasicCegarLoop]: Path program histogram: [12, 1, 1] [2024-11-08 12:22:33,088 INFO L317 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was SAFE (1/2) [2024-11-08 12:22:33,098 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:22:33,099 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:22:33,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:22:33,100 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=PARTIAL_ORDER_FA, 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;@4376cbad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:22:33,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:22:33,110 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:22:33,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:33,111 INFO L85 PathProgramCache]: Analyzing trace with hash -859345036, now seen corresponding path program 1 times [2024-11-08 12:22:33,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:33,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359527220] [2024-11-08 12:22:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:33,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:33,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359527220] [2024-11-08 12:22:33,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359527220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:33,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:33,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:22:33,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239472934] [2024-11-08 12:22:33,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:33,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:22:33,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:33,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:22:33,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:22:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,156 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:33,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-08 12:22:33,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 12:22:33,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:22:33,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1574661304, now seen corresponding path program 1 times [2024-11-08 12:22:33,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:33,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94379667] [2024-11-08 12:22:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:33,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:33,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:33,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94379667] [2024-11-08 12:22:33,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94379667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:33,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:33,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:22:33,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135953181] [2024-11-08 12:22:33,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:33,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:22:33,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:33,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:22:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:22:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,224 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:33,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-08 12:22:33,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:33,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 12:22:33,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:22:33,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash -123926731, now seen corresponding path program 1 times [2024-11-08 12:22:33,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:33,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313975254] [2024-11-08 12:22:33,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:33,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:33,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:33,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313975254] [2024-11-08 12:22:33,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313975254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:33,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:33,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:22:33,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650376945] [2024-11-08 12:22:33,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:33,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:22:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:22:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:22:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:33,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 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) [2024-11-08 12:22:33,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:33,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:33,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 12:22:33,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:22:33,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:33,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1724476392, now seen corresponding path program 1 times [2024-11-08 12:22:33,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:33,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905218181] [2024-11-08 12:22:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:33,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905218181] [2024-11-08 12:22:33,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905218181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:33,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:33,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:22:33,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740893214] [2024-11-08 12:22:33,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:33,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:22:33,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:33,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:22:33,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:22:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:33,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-08 12:22:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:34,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 12:22:34,244 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:22:34,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1584640964, now seen corresponding path program 1 times [2024-11-08 12:22:34,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:34,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317521024] [2024-11-08 12:22:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:34,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:22:34,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:34,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317521024] [2024-11-08 12:22:34,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317521024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:34,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:34,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:22:34,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422048225] [2024-11-08 12:22:34,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:34,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:22:34,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:34,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:22:34,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:22:34,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:34,501 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:34,501 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) [2024-11-08 12:22:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:35,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:35,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 12:22:35,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:22:35,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:35,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1855780500, now seen corresponding path program 1 times [2024-11-08 12:22:35,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:35,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985249610] [2024-11-08 12:22:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:35,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:22:35,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:22:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:22:35,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:22:35,690 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:22:35,691 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-11-08 12:22:35,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-11-08 12:22:35,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-08 12:22:35,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-08 12:22:35,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 12:22:35,696 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 12:22:35,696 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-11-08 12:22:35,697 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:22:35,697 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 12:22:35,711 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 12:22:35,713 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:22:35,714 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:22:35,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of2ForFork0 ======== [2024-11-08 12:22:35,715 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=PARTIAL_ORDER_FA, 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;@4376cbad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:22:35,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:22:35,945 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:22:35,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:35,946 INFO L85 PathProgramCache]: Analyzing trace with hash 170035142, now seen corresponding path program 1 times [2024-11-08 12:22:35,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:35,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007469088] [2024-11-08 12:22:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:35,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:35,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:35,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007469088] [2024-11-08 12:22:35,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007469088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:35,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:35,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:22:35,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878502242] [2024-11-08 12:22:35,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:35,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:22:35,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:35,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:22:35,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:22:35,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:35,967 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:35,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2024-11-08 12:22:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:35,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 12:22:35,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:22:35,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:35,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1076992698, now seen corresponding path program 1 times [2024-11-08 12:22:35,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:35,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106634404] [2024-11-08 12:22:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:35,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:36,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:36,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106634404] [2024-11-08 12:22:36,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106634404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:36,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:22:36,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:22:36,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115821488] [2024-11-08 12:22:36,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:36,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:22:36,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:36,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:22:36,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:22:36,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:36,265 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:36,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-08 12:22:36,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:36,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:39,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 12:22:39,624 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:22:39,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:39,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1015319273, now seen corresponding path program 1 times [2024-11-08 12:22:39,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:39,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514204748] [2024-11-08 12:22:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:39,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:40,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514204748] [2024-11-08 12:22:40,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514204748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:22:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990942546] [2024-11-08 12:22:40,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:40,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:22:40,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:22:40,398 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:22:40,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 12:22:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:40,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 12:22:40,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:22:40,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:22:40,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:22:40,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:22:40,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:22:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:41,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:41,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:22:41,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:22:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:41,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:22:41,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990942546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:22:41,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:22:41,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:22:41,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782778794] [2024-11-08 12:22:41,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:22:41,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:22:41,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:22:41,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:22:41,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:22:41,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:41,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:22:41,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:22:41,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:41,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:41,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:22:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:22:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:22:44,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-08 12:22:45,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-08 12:22:45,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:22:45,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:22:45,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1059214682, now seen corresponding path program 2 times [2024-11-08 12:22:45,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:22:45,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911401513] [2024-11-08 12:22:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:22:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:22:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:22:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:47,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:22:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911401513] [2024-11-08 12:22:47,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911401513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:22:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412358236] [2024-11-08 12:22:47,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:22:47,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:22:47,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:22:47,153 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:22:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 12:22:47,370 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:22:47,370 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:22:47,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 12:22:47,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:22:47,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:22:47,436 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:22:47,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:22:47,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:22:47,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:22:47,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:22:48,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:22:48,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:48,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2024-11-08 12:22:48,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:48,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:22:48,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:48,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:22:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:22:48,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:22:48,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-11-08 12:22:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:22:48,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:22:49,131 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1564 Int)) (= 0 (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)))) (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)))) is different from false [2024-11-08 12:22:49,154 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3)) (.cse2 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3))) (and (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_1562) .cse2 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_1562) .cse2 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_1562) .cse2 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_1562) .cse2 v_ArrVal_1564)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0))))) is different from false [2024-11-08 12:22:49,895 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_#t~post11#1| 1))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse1 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse0 (+ .cse1 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse1 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse1 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse1 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse2))) (forall ((|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse3 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse0 (+ .cse3 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse3 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse3 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse3 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse2))) (forall ((|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse4 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse0 (+ .cse4 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse4 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse4 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse4 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse2))) (forall ((|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse5 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse0 (+ .cse5 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse5 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse5 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse5 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse2))))) is different from false [2024-11-08 12:22:52,058 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse1 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse4 0)))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~i~1#1| 1)) (.cse2 (select .cse1 |c_ULTIMATE.start_main_~is~0#1.base|))) (and (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0) (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse3 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse3 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse3 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse3 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse3 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) .cse4) 0))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0) (= 0 (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse5 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse5 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse5 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse5 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse5 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset))))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0) (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse6 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse6 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse6 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse6 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse6 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0) (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse7 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse7 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse7 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse7 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse7 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0))))))) is different from false [2024-11-08 12:23:00,375 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_threadThread1of2ForFork0_~p~0.offset 1)) (.cse9 (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) (.cse4 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse1 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (store (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse7 0) .cse9 0) .cse4 0)))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~i~1#1| 1))) (and (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0) (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse3 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse3 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse3 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse3 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse3 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) .cse4) 0))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse5 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse5 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse5 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse5 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse5 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse6 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse6 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse6 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse6 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse6 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) .cse7) 0) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_1560 Int) (v_ArrVal_1565 (Array Int Int)) (v_ArrVal_1562 Int) (v_ArrVal_1564 Int) (|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (= (select (select (store (store .cse1 |c_ULTIMATE.start_main_~is~0#1.base| (let ((.cse8 (* |v_ULTIMATE.start_main_~i~1#1_43| 4))) (store (store (store (store .cse2 (+ .cse8 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|) (+ .cse8 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_1560) (+ .cse8 2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1562) (+ .cse8 3 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_1564))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1565) c_threadThread1of2ForFork0_~p~0.base) .cse9) 0) (< |v_ULTIMATE.start_main_~i~1#1_43| .cse0))))))) is different from false [2024-11-08 12:23:00,960 INFO L349 Elim1Store]: treesize reduction 680, result has 32.0 percent of original size [2024-11-08 12:23:00,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 332 [2024-11-08 12:23:00,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:23:00,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 294 treesize of output 266 [2024-11-08 12:23:00,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:23:01,720 INFO L349 Elim1Store]: treesize reduction 839, result has 16.1 percent of original size [2024-11-08 12:23:01,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 173 [2024-11-08 12:23:01,730 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:23:01,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 66 [2024-11-08 12:23:01,922 INFO L349 Elim1Store]: treesize reduction 999, result has 0.1 percent of original size [2024-11-08 12:23:01,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 1 [2024-11-08 12:23:02,047 INFO L349 Elim1Store]: treesize reduction 999, result has 0.1 percent of original size [2024-11-08 12:23:02,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 92 treesize of output 1 [2024-11-08 12:23:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 8 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-08 12:23:03,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412358236] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:23:03,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:23:03,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19] total 46 [2024-11-08 12:23:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070626116] [2024-11-08 12:23:03,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:23:03,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-08 12:23:03,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:03,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-08 12:23:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1444, Unknown=53, NotChecked=420, Total=2162 [2024-11-08 12:23:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:03,994 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:23:03,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 3.8043478260869565) internal successors, (175), 47 states have internal predecessors, (175), 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) [2024-11-08 12:23:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:03,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:23:03,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:27,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:23:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:23:27,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 12:23:28,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-08 12:23:28,110 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:23:28,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:28,110 INFO L85 PathProgramCache]: Analyzing trace with hash -886289011, now seen corresponding path program 3 times [2024-11-08 12:23:28,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:28,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168159277] [2024-11-08 12:23:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:28,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:28,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168159277] [2024-11-08 12:23:28,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168159277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:23:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906459560] [2024-11-08 12:23:28,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:23:28,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:28,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:23:28,963 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:23:28,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 12:23:29,171 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 12:23:29,171 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:23:29,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 12:23:29,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:29,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:23:29,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:23:29,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:23:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:23:30,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:23:30,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 31 [2024-11-08 12:23:30,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:23:30,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:23:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:30,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:23:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:38,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906459560] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 12:23:38,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:23:38,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 14] total 33 [2024-11-08 12:23:38,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955407897] [2024-11-08 12:23:38,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:38,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:23:38,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:38,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:23:38,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=949, Unknown=3, NotChecked=0, Total=1122 [2024-11-08 12:23:38,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:38,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:23:38,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:23:38,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:38,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:38,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:23:38,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:23:38,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:44,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:23:48,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:23:52,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:23:54,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:23:56,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:23:59,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:01,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:05,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:07,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:10,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:12,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:14,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:16,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:18,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:20,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:22,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:24,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:29,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:33,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:35,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:37,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:39,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:41,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:43,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:45,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:48,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:50,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:53,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:24:53,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:24:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:24:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:24:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:24:53,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-08 12:24:54,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-08 12:24:54,049 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:24:54,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:54,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1705156099, now seen corresponding path program 4 times [2024-11-08 12:24:54,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:54,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565100205] [2024-11-08 12:24:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:24:54,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565100205] [2024-11-08 12:24:54,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565100205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:24:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752855478] [2024-11-08 12:24:54,970 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:24:54,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:54,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:24:54,972 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:24:54,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 12:24:55,131 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:24:55,131 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:24:55,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 12:24:55,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:24:55,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:24:55,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:24:55,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:24:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2024-11-08 12:24:55,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:24:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:24:55,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:55,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:24:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:24:55,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:24:55,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752855478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:55,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:24:55,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:24:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748474449] [2024-11-08 12:24:55,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:55,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:24:55,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:55,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:24:55,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:24:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:24:55,736 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:24:55,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 12 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) [2024-11-08 12:24:55,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:24:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:24:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:24:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:24:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:24:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:24:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:24:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:24:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:24:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:24:58,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-08 12:24:58,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-08 12:24:58,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:24:58,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 51352144, now seen corresponding path program 5 times [2024-11-08 12:24:58,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:58,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431022035] [2024-11-08 12:24:58,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:25:00,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:00,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431022035] [2024-11-08 12:25:00,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431022035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:25:00,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503516089] [2024-11-08 12:25:00,423 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:25:00,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:25:00,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:25:00,425 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:25:00,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-08 12:25:00,654 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:25:00,654 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:25:00,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 12:25:00,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:25:00,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:25:00,697 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:25:00,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:25:01,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:25:01,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:25:01,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:25:01,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:25:01,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2024-11-08 12:25:01,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:25:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:25:01,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:25:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:25:01,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:25:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:25:01,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:25:02,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-11-08 12:25:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:25:02,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:25:02,339 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)))) is different from false [2024-11-08 12:25:02,853 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse6 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse6)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6))) (and (forall ((v_ArrVal_1828 Int) (v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int) (v_ArrVal_1830 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1828) .cse3 v_ArrVal_1830) .cse4 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_1828 Int) (v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int) (v_ArrVal_1830 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1828) .cse3 v_ArrVal_1830) .cse4 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_1828 Int) (v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int) (v_ArrVal_1830 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1828) .cse3 v_ArrVal_1830) .cse4 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_1828 Int) (v_ArrVal_1833 (Array Int Int)) (v_ArrVal_1831 Int) (v_ArrVal_1830 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_1828) .cse3 v_ArrVal_1830) .cse4 v_ArrVal_1831)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_1833) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)))))) is different from false [2024-11-08 12:25:40,033 INFO L349 Elim1Store]: treesize reduction 65, result has 63.9 percent of original size [2024-11-08 12:25:40,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 229 treesize of output 291 [2024-11-08 12:25:40,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 246 [2024-11-08 12:25:40,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2024-11-08 12:25:40,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:25:40,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 13 [2024-11-08 12:25:40,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:25:40,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 408 [2024-11-08 12:25:40,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:25:40,391 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-08 12:25:40,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 195 treesize of output 1 [2024-11-08 12:25:40,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:25:40,445 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-08 12:25:40,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 187 treesize of output 1 [2024-11-08 12:25:40,454 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:25:40,484 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-08 12:25:40,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 163 treesize of output 1 [2024-11-08 12:25:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 5 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-08 12:25:47,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503516089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:25:47,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:25:47,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19] total 47 [2024-11-08 12:25:47,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267749756] [2024-11-08 12:25:47,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:25:47,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-08 12:25:47,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:47,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-08 12:25:47,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1740, Unknown=104, NotChecked=178, Total=2256 [2024-11-08 12:25:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:25:47,336 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:25:47,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.7872340425531914) internal successors, (178), 48 states have internal predecessors, (178), 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) [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:25:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 12:26:08,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:08,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-08 12:26:08,204 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:26:08,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:08,205 INFO L85 PathProgramCache]: Analyzing trace with hash 204095792, now seen corresponding path program 1 times [2024-11-08 12:26:08,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:08,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612676748] [2024-11-08 12:26:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:08,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 12:26:08,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:08,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612676748] [2024-11-08 12:26:08,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612676748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:08,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868130451] [2024-11-08 12:26:08,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:08,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:26:08,397 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-08 12:26:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:08,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:26:08,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:08,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868130451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:09,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:09,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2024-11-08 12:26:09,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348809371] [2024-11-08 12:26:09,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:09,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 12:26:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:09,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 12:26:09,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:26:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:09,035 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:26:09,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-08 12:26:09,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 12:26:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:11,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:11,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-08 12:26:11,756 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:26:11,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:11,756 INFO L85 PathProgramCache]: Analyzing trace with hash 396612243, now seen corresponding path program 1 times [2024-11-08 12:26:11,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:11,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700641390] [2024-11-08 12:26:11,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:11,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:26:12,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:12,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700641390] [2024-11-08 12:26:12,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700641390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:12,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:12,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:26:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179782905] [2024-11-08 12:26:12,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:12,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:26:12,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:12,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:26:12,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:12,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:12,060 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:26:12,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-08 12:26:12,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:12,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 12:26:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:15,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 12:26:15,917 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:26:15,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash -983777064, now seen corresponding path program 1 times [2024-11-08 12:26:15,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:15,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578115466] [2024-11-08 12:26:15,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:15,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:26:16,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:16,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578115466] [2024-11-08 12:26:16,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578115466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:16,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:16,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:26:16,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916047131] [2024-11-08 12:26:16,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:16,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:26:16,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:16,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:26:16,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:16,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:26:16,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-08 12:26:16,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:24,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 12:26:24,750 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:26:24,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:24,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1686877771, now seen corresponding path program 6 times [2024-11-08 12:26:24,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:24,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180843845] [2024-11-08 12:26:24,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:24,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:25,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:25,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180843845] [2024-11-08 12:26:25,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180843845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:25,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459869265] [2024-11-08 12:26:25,567 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:26:25,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:25,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:26:25,568 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:25,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 12:26:25,799 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-08 12:26:25,799 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:26:25,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 12:26:25,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:25,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:26:25,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:26:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:26,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:26,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 23 [2024-11-08 12:26:26,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:26,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:26:26,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:26,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:26:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:26,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:26:26,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459869265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:26,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:26:26,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 19 [2024-11-08 12:26:26,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536099309] [2024-11-08 12:26:26,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:26,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:26:26,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:26,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:26:26,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-08 12:26:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:26,264 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:26:26,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:26:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:26:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:26:29,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-08 12:26:29,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:29,291 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:26:29,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash -901219208, now seen corresponding path program 7 times [2024-11-08 12:26:29,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:29,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487724216] [2024-11-08 12:26:29,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:29,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:31,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:31,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487724216] [2024-11-08 12:26:31,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487724216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:31,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806589493] [2024-11-08 12:26:31,313 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-08 12:26:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:31,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:26:31,315 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:31,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 12:26:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:31,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 12:26:31,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:31,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:26:31,584 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:26:31,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:26:31,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:26:31,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:26:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-08 12:26:32,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:26:32,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:26:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:26:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:26:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:32,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:26:32,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-08 12:26:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:32,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:32,803 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2269 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2269 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2269 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2269 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0))) is different from false [2024-11-08 12:26:32,941 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)))) is different from false [2024-11-08 12:26:33,378 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse6 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse6)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6))) (and (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) .cse5) 0)))))) is different from false [2024-11-08 12:26:33,428 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) (.cse5 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse7 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse6 0) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse7)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse7)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse7))) (and (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) .cse6) 0)) (forall ((v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2264) .cse3 v_ArrVal_2266) .cse4 v_ArrVal_2267)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)))))) is different from false [2024-11-08 12:26:42,051 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) (.cse5 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse3 (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) (.cse6 (+ |c_ULTIMATE.start_main_~i~1#1| 1))) (and (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int) (|v_ULTIMATE.start_main_~i~1#1_53| Int)) (or (= (select (select (store (let ((.cse2 (* |v_ULTIMATE.start_main_~i~1#1_53| 4))) (let ((.cse1 (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse5 (+ .cse2 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|)))) (let ((.cse0 (store (store (select .cse1 c_threadThread1of2ForFork0_~p~0.base) .cse3 0) .cse4 0))) (store (store |c_#race| c_threadThread1of2ForFork0_~p~0.base .cse0) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store .cse1 c_threadThread1of2ForFork0_~p~0.base .cse0) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse2 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_2264) (+ 2 .cse2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2266) (+ 3 .cse2 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2267))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0) (< |v_ULTIMATE.start_main_~i~1#1_53| .cse6))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int) (|v_ULTIMATE.start_main_~i~1#1_53| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_53| .cse6) (= (select (select (store (let ((.cse9 (* |v_ULTIMATE.start_main_~i~1#1_53| 4))) (let ((.cse8 (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse5 (+ .cse9 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|)))) (let ((.cse7 (store (store (select .cse8 c_threadThread1of2ForFork0_~p~0.base) .cse3 0) .cse4 0))) (store (store |c_#race| c_threadThread1of2ForFork0_~p~0.base .cse7) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store .cse8 c_threadThread1of2ForFork0_~p~0.base .cse7) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_2264) (+ 2 .cse9 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2266) (+ 3 .cse9 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2267))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int) (|v_ULTIMATE.start_main_~i~1#1_53| Int)) (or (= (select (select (store (let ((.cse12 (* |v_ULTIMATE.start_main_~i~1#1_53| 4))) (let ((.cse11 (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse5 (+ .cse12 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|)))) (let ((.cse10 (store (store (select .cse11 c_threadThread1of2ForFork0_~p~0.base) .cse3 0) .cse4 0))) (store (store |c_#race| c_threadThread1of2ForFork0_~p~0.base .cse10) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store .cse11 c_threadThread1of2ForFork0_~p~0.base .cse10) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse12 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_2264) (+ 2 .cse12 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2266) (+ 3 .cse12 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2267))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) .cse4) 0) (< |v_ULTIMATE.start_main_~i~1#1_53| .cse6))) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_2264 Int) (v_ArrVal_2267 Int) (v_ArrVal_2269 (Array Int Int)) (v_ArrVal_2266 Int) (|v_ULTIMATE.start_main_~i~1#1_53| Int)) (or (= (select (select (store (let ((.cse15 (* |v_ULTIMATE.start_main_~i~1#1_53| 4))) (let ((.cse14 (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse5 (+ .cse15 |c_ULTIMATE.start_main_~is~0#1.offset|) |ULTIMATE.start_main_#t~nondet7#1|)))) (let ((.cse13 (store (store (select .cse14 c_threadThread1of2ForFork0_~p~0.base) .cse3 0) .cse4 0))) (store (store |c_#race| c_threadThread1of2ForFork0_~p~0.base .cse13) |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (select (store .cse14 c_threadThread1of2ForFork0_~p~0.base .cse13) |c_ULTIMATE.start_main_~is~0#1.base|) (+ .cse15 |c_ULTIMATE.start_main_~is~0#1.offset| 1) v_ArrVal_2264) (+ 2 .cse15 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2266) (+ 3 .cse15 |c_ULTIMATE.start_main_~is~0#1.offset|) v_ArrVal_2267))))) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2269) c_threadThread1of2ForFork0_~p~0.base) .cse3) 0) (< |v_ULTIMATE.start_main_~i~1#1_53| .cse6))))) is different from false [2024-11-08 12:26:50,734 INFO L349 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2024-11-08 12:26:50,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 219 treesize of output 260 [2024-11-08 12:26:50,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 211 [2024-11-08 12:26:50,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2024-11-08 12:26:50,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:50,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 9 [2024-11-08 12:26:50,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:50,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1465 treesize of output 1427 [2024-11-08 12:26:51,005 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:26:51,032 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-11-08 12:26:51,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 153 treesize of output 1 [2024-11-08 12:26:51,041 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:26:51,132 INFO L349 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2024-11-08 12:26:51,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 153 treesize of output 164 [2024-11-08 12:26:51,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:26:51,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2024-11-08 12:26:51,177 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:26:51,179 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:26:51,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2024-11-08 12:26:51,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:26:51,240 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-11-08 12:26:51,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 177 treesize of output 1 [2024-11-08 12:26:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 6 times theorem prover too weak. 0 trivial. 8 not checked. [2024-11-08 12:26:51,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806589493] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:51,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:51,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 19] total 41 [2024-11-08 12:26:51,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079445437] [2024-11-08 12:26:51,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:51,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-08 12:26:51,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:51,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-08 12:26:51,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1130, Unknown=41, NotChecked=370, Total=1722 [2024-11-08 12:26:51,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:51,987 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:26:51,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.5609756097560976) internal successors, (146), 42 states have internal predecessors, (146), 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) [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:26:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:05,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-08 12:27:05,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:05,762 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:27:05,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:05,762 INFO L85 PathProgramCache]: Analyzing trace with hash 772196463, now seen corresponding path program 8 times [2024-11-08 12:27:05,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:05,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723053757] [2024-11-08 12:27:05,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:05,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:27:06,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:27:06,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723053757] [2024-11-08 12:27:06,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723053757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:06,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051101051] [2024-11-08 12:27:06,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:27:06,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:06,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:27:06,481 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:27:06,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 12:27:06,766 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:27:06,766 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:27:06,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 12:27:06,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:06,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:27:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:07,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2024-11-08 12:27:07,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:27:07,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:07,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:27:07,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:07,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:27:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:27:07,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:27:07,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051101051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:27:07,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:27:07,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 18 [2024-11-08 12:27:07,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998219671] [2024-11-08 12:27:07,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:27:07,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:27:07,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:27:07,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:27:07,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-08 12:27:07,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:07,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:27:07,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-08 12:27:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:10,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:10,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:10,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:10,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:27:10,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-08 12:27:10,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-08 12:27:10,471 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:27:10,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:10,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1937810766, now seen corresponding path program 9 times [2024-11-08 12:27:10,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:10,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608335413] [2024-11-08 12:27:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:27:12,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:27:12,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608335413] [2024-11-08 12:27:12,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608335413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:12,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644226008] [2024-11-08 12:27:12,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:27:12,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:12,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:27:12,803 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:27:12,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-08 12:27:13,079 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 12:27:13,079 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:27:13,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 12:27:13,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:13,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:27:13,173 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:27:13,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:27:13,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:27:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:13,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2024-11-08 12:27:13,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:27:13,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:27:13,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:27:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:27:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:27:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:14,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:27:14,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-08 12:27:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:27:14,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:27:14,352 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2453 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2453 (Array Int Int))) (= 0 (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)))) (forall ((v_ArrVal_2453 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2453 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0))) is different from false [2024-11-08 12:27:14,451 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)))) is different from false [2024-11-08 12:27:14,685 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse4)) (.cse2 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4)) (.cse3 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4))) (and (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_2447) .cse2 v_ArrVal_2449) .cse3 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_2447) .cse2 v_ArrVal_2449) .cse3 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_2447) .cse2 v_ArrVal_2449) .cse3 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_2447) .cse2 v_ArrVal_2449) .cse3 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0))))) is different from false [2024-11-08 12:27:14,734 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse6 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse6)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse6))) (and (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) .cse5) 0)))))) is different from false [2024-11-08 12:27:15,298 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_threadThread1of2ForFork0_~p~0.offset 1)) (.cse6 (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) (.cse5 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse8 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (store (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse7 0) .cse6 0) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse8)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse8)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse8))) (and (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) .cse6) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) .cse7) 0)) (forall ((v_ArrVal_2452 Int) (v_ArrVal_2453 (Array Int Int)) (v_ArrVal_2447 Int) (v_ArrVal_2449 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2447) .cse3 v_ArrVal_2449) .cse4 v_ArrVal_2452)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2453) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)))))) is different from false [2024-11-08 12:27:31,543 INFO L349 Elim1Store]: treesize reduction 19, result has 69.4 percent of original size [2024-11-08 12:27:31,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 404 treesize of output 388 [2024-11-08 12:27:31,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-11-08 12:27:31,560 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 12:27:31,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 75 [2024-11-08 12:27:31,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-08 12:27:31,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 754 treesize of output 744 [2024-11-08 12:27:31,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:27:31,744 INFO L349 Elim1Store]: treesize reduction 33, result has 46.8 percent of original size [2024-11-08 12:27:31,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 149 [2024-11-08 12:27:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:31,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 53 [2024-11-08 12:27:31,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-08 12:27:31,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:27:31,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 78 [2024-11-08 12:27:31,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:27:31,895 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2024-11-08 12:27:31,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 1 [2024-11-08 12:27:31,904 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:27:31,923 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2024-11-08 12:27:31,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 1 [2024-11-08 12:27:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2024-11-08 12:27:32,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644226008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:27:32,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:27:32,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 19] total 41 [2024-11-08 12:27:32,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404157046] [2024-11-08 12:27:32,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:27:32,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-08 12:27:32,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:27:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-08 12:27:32,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1122, Unknown=44, NotChecked=370, Total=1722 [2024-11-08 12:27:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:32,607 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:27:32,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.5609756097560976) internal successors, (146), 42 states have internal predecessors, (146), 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) [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:32,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:32,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:27:32,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:27:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:27:53,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-08 12:27:54,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-08 12:27:54,119 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:27:54,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:54,119 INFO L85 PathProgramCache]: Analyzing trace with hash 431292663, now seen corresponding path program 10 times [2024-11-08 12:27:54,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:54,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602517655] [2024-11-08 12:27:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:54,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:27:55,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:27:55,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602517655] [2024-11-08 12:27:55,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602517655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915505112] [2024-11-08 12:27:55,119 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:27:55,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:55,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:27:55,120 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:27:55,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-08 12:27:55,365 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:27:55,365 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:27:55,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 12:27:55,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:55,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:27:55,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:27:55,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:55,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:27:55,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:55,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:27:55,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:55,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:55,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:55,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:27:55,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:55,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 47 [2024-11-08 12:27:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:27:55,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:27:55,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915505112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:27:55,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:27:55,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-08 12:27:55,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824828953] [2024-11-08 12:27:55,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:27:55,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:27:55,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:27:55,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:27:55,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:27:55,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:55,805 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:27:55,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 12 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) [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:55,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:27:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:27:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:27:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:27:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:27:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:27:58,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:27:58,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:27:58,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-08 12:27:58,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:58,664 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:27:58,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:58,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1188942698, now seen corresponding path program 11 times [2024-11-08 12:27:58,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:58,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235364750] [2024-11-08 12:27:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:58,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:00,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:00,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235364750] [2024-11-08 12:28:00,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235364750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:28:00,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117832469] [2024-11-08 12:28:00,410 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:28:00,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:28:00,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:28:00,412 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:28:00,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-08 12:28:00,707 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:28:00,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:28:00,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 12:28:00,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:28:00,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:28:00,786 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:28:00,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:28:01,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:28:01,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 12:28:01,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 12:28:01,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 12:28:02,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:28:02,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:28:02,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:28:02,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:28:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:28:02,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-08 12:28:02,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-11-08 12:28:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:02,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:28:02,526 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2641 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2641 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2641 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2641 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0))) is different from false [2024-11-08 12:28:02,667 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store .cse0 .cse1 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0)))) is different from false [2024-11-08 12:28:02,704 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3)) (.cse2 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3))) (and (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2638 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_2638) .cse2 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2638 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_2638) .cse2 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2638 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_2638) .cse2 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2638 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_2638) .cse2 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ 3 c_threadThread1of2ForFork0_~p~0.offset)) 0))))) is different from false [2024-11-08 12:28:03,506 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 2 c_threadThread1of2ForFork0_~p~0.offset)) (.cse5 (+ 3 c_threadThread1of2ForFork0_~p~0.offset))) (let ((.cse7 (* |c_ULTIMATE.start_main_~i~1#1| 4)) (.cse0 (store |c_#race| c_threadThread1of2ForFork0_~p~0.base (store (store (select |c_#race| c_threadThread1of2ForFork0_~p~0.base) .cse6 0) .cse5 0)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse7)) (.cse3 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse7)) (.cse4 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse7))) (and (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2635 Int) (v_ArrVal_2638 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2635) .cse3 v_ArrVal_2638) .cse4 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) .cse5) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2635 Int) (v_ArrVal_2638 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2635) .cse3 v_ArrVal_2638) .cse4 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) c_threadThread1of2ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2635 Int) (v_ArrVal_2638 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2635) .cse3 v_ArrVal_2638) .cse4 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) (+ c_threadThread1of2ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_2640 Int) (v_ArrVal_2641 (Array Int Int)) (v_ArrVal_2635 Int) (v_ArrVal_2638 Int)) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse1 .cse2 v_ArrVal_2635) .cse3 v_ArrVal_2638) .cse4 v_ArrVal_2640)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_2641) c_threadThread1of2ForFork0_~p~0.base) .cse6) 0)))))) is different from false [2024-11-08 12:28:04,421 INFO L349 Elim1Store]: treesize reduction 424, result has 37.1 percent of original size [2024-11-08 12:28:04,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 87 treesize of output 262 [2024-11-08 12:28:04,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:28:04,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 236 treesize of output 208 [2024-11-08 12:28:04,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:28:04,826 INFO L349 Elim1Store]: treesize reduction 532, result has 21.1 percent of original size [2024-11-08 12:28:04,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 87 treesize of output 154 [2024-11-08 12:28:04,836 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:28:04,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 60 [2024-11-08 12:28:04,943 INFO L349 Elim1Store]: treesize reduction 673, result has 0.1 percent of original size [2024-11-08 12:28:04,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 87 treesize of output 1 [2024-11-08 12:28:05,118 INFO L349 Elim1Store]: treesize reduction 596, result has 11.6 percent of original size [2024-11-08 12:28:05,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 85 treesize of output 88 [2024-11-08 12:28:05,123 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:28:05,128 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:28:05,128 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:28:05,129 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:28:05,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-11-08 12:28:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2024-11-08 12:28:06,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117832469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:28:06,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:28:06,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 18] total 46 [2024-11-08 12:28:06,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339216324] [2024-11-08 12:28:06,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:28:06,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-08 12:28:06,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:06,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-08 12:28:06,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1565, Unknown=34, NotChecked=340, Total=2162 [2024-11-08 12:28:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:06,525 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:06,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 3.869565217391304) internal successors, (178), 47 states have internal predecessors, (178), 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) [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:28:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:28:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:28:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:28:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:28:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:28:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 12:28:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:28:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:28:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:28:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:28:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:28:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 12:28:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:28:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:28:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:28:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-08 12:28:19,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2024-11-08 12:28:19,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-08 12:28:19,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:28:19,518 INFO L407 BasicCegarLoop]: Path program histogram: [11, 1, 1, 1, 1, 1] [2024-11-08 12:28:19,521 INFO L317 ceAbstractionStarter]: Result for error location threadThread1of2ForFork0 was SAFE (1/3) [2024-11-08 12:28:19,525 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:28:19,528 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:28:19,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:28:19,531 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=PARTIAL_ORDER_FA, 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;@4376cbad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:28:19,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:28:19,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:19,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:19,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2122004280, now seen corresponding path program 1 times [2024-11-08 12:28:19,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:19,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968556458] [2024-11-08 12:28:19,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:19,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:19,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:19,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968556458] [2024-11-08 12:28:19,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968556458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:19,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:19,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:28:19,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646835588] [2024-11-08 12:28:19,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:19,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:28:19,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:19,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:28:19,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:28:19,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,553 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:19,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-08 12:28:19,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 12:28:19,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:19,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:19,555 INFO L85 PathProgramCache]: Analyzing trace with hash 878459720, now seen corresponding path program 1 times [2024-11-08 12:28:19,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:19,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766154772] [2024-11-08 12:28:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:19,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766154772] [2024-11-08 12:28:19,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766154772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:19,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:19,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:19,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213716458] [2024-11-08 12:28:19,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:19,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:28:19,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:19,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:28:19,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:28:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,632 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:19,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-08 12:28:19,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 12:28:19,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash -443161419, now seen corresponding path program 1 times [2024-11-08 12:28:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185128206] [2024-11-08 12:28:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:19,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:19,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185128206] [2024-11-08 12:28:19,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185128206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:19,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:19,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:19,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739249577] [2024-11-08 12:28:19,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:19,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:19,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:19,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:19,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,921 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:19,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 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) [2024-11-08 12:28:19,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:19,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:19,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:20,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 12:28:20,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:20,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:20,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2107844120, now seen corresponding path program 1 times [2024-11-08 12:28:20,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:20,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941475118] [2024-11-08 12:28:20,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:20,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:20,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941475118] [2024-11-08 12:28:20,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941475118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:20,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:20,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:20,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988519579] [2024-11-08 12:28:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:20,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:20,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:20,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:20,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:20,195 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:20,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-08 12:28:20,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:20,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:20,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:20,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:21,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:21,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:21,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 12:28:21,394 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:21,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:21,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1347692465, now seen corresponding path program 1 times [2024-11-08 12:28:21,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:21,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7003299] [2024-11-08 12:28:21,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:21,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:28:21,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:21,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7003299] [2024-11-08 12:28:21,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7003299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:21,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:21,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:21,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322242043] [2024-11-08 12:28:21,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:21,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:21,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:21,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:21,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:21,717 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:21,718 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) [2024-11-08 12:28:21,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:21,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:21,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:21,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:21,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:25,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 12:28:25,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:25,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash -207382412, now seen corresponding path program 1 times [2024-11-08 12:28:25,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:25,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571650645] [2024-11-08 12:28:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:28:25,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:28:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:28:25,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:28:25,702 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:28:25,703 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-11-08 12:28:25,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-11-08 12:28:25,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-08 12:28:25,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-08 12:28:25,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 12:28:25,710 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 12:28:25,711 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-11-08 12:28:25,711 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:28:25,711 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-08 12:28:25,735 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-08 12:28:25,738 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:28:25,739 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:28:25,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:28:25,740 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=PARTIAL_ORDER_FA, 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;@4376cbad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:28:25,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:28:25,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:25,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:25,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1443982455, now seen corresponding path program 1 times [2024-11-08 12:28:25,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:25,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639994520] [2024-11-08 12:28:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:25,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:25,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:25,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639994520] [2024-11-08 12:28:25,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639994520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:25,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:25,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:28:25,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866509154] [2024-11-08 12:28:25,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:25,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:28:25,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:25,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:28:25,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:28:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,774 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:25,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-08 12:28:25,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 12:28:25,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:25,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:25,777 INFO L85 PathProgramCache]: Analyzing trace with hash 716396872, now seen corresponding path program 1 times [2024-11-08 12:28:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:25,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111073219] [2024-11-08 12:28:25,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:25,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111073219] [2024-11-08 12:28:25,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111073219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:25,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:25,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:25,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582435644] [2024-11-08 12:28:25,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:25,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:28:25,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:25,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:28:25,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:28:25,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:25,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-08 12:28:25,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:25,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 12:28:25,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:25,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:25,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1590187221, now seen corresponding path program 1 times [2024-11-08 12:28:25,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:25,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239706256] [2024-11-08 12:28:25,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:25,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:26,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:26,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239706256] [2024-11-08 12:28:26,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239706256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:26,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:26,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:26,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014607171] [2024-11-08 12:28:26,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:26,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:26,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:26,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:26,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:26,069 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:26,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 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) [2024-11-08 12:28:26,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:26,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:26,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:26,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-08 12:28:26,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:26,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:26,168 INFO L85 PathProgramCache]: Analyzing trace with hash 498158488, now seen corresponding path program 1 times [2024-11-08 12:28:26,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:26,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772932860] [2024-11-08 12:28:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:26,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:26,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:26,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772932860] [2024-11-08 12:28:26,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772932860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:26,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:26,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:26,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469078638] [2024-11-08 12:28:26,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:26,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:26,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:26,388 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:26,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-08 12:28:26,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:26,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:26,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:26,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:28,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:28,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:28,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 12:28:28,349 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:28,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:28,349 INFO L85 PathProgramCache]: Analyzing trace with hash 741809730, now seen corresponding path program 1 times [2024-11-08 12:28:28,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:28,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432513307] [2024-11-08 12:28:28,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:28,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:28:28,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:28,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432513307] [2024-11-08 12:28:28,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432513307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:28,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:28,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:28,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179787988] [2024-11-08 12:28:28,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:28,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:28,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:28,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:28,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:28,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:28,658 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:28,659 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) [2024-11-08 12:28:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:40,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:28:40,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 12:28:40,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:28:40,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:40,824 INFO L85 PathProgramCache]: Analyzing trace with hash -657147694, now seen corresponding path program 1 times [2024-11-08 12:28:40,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:40,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952315919] [2024-11-08 12:28:40,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:40,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:28:40,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:28:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:28:40,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:28:40,940 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:28:40,940 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-11-08 12:28:40,940 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-11-08 12:28:40,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-08 12:28:40,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-08 12:28:40,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 12:28:40,946 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 12:28:40,946 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/4) [2024-11-08 12:28:40,946 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:28:40,947 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-08 12:28:40,971 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-08 12:28:40,973 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:28:40,974 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:28:40,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread3of4ForFork0 ======== [2024-11-08 12:28:40,975 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=PARTIAL_ORDER_FA, 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;@4376cbad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:28:40,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:28:42,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:28:42,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash -946157207, now seen corresponding path program 1 times [2024-11-08 12:28:42,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:42,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567214963] [2024-11-08 12:28:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:42,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:28:42,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:42,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567214963] [2024-11-08 12:28:42,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567214963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:42,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:42,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:28:42,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899989420] [2024-11-08 12:28:42,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:42,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:28:42,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:42,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:28:42,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:28:42,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:42,247 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:42,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 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) [2024-11-08 12:28:42,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:42,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-08 12:28:42,263 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:28:42,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:42,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1688716592, now seen corresponding path program 1 times [2024-11-08 12:28:42,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:42,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791344689] [2024-11-08 12:28:42,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:42,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:28:42,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:42,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791344689] [2024-11-08 12:28:42,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791344689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:42,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:28:42,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:28:42,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723461671] [2024-11-08 12:28:42,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:42,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:42,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:42,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:42,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:28:42,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:42,748 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:42,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-08 12:28:42,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:42,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:09,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-08 12:29:09,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:29:09,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1590981940, now seen corresponding path program 2 times [2024-11-08 12:29:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539667571] [2024-11-08 12:29:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:29:11,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:11,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539667571] [2024-11-08 12:29:11,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539667571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:11,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:29:11,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:29:11,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881187806] [2024-11-08 12:29:11,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:11,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:29:11,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:11,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:29:11,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:29:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:11,167 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:29:11,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 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) [2024-11-08 12:29:11,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:11,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:11,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:27,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-08 12:29:27,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:29:27,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2075800029, now seen corresponding path program 3 times [2024-11-08 12:29:27,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:27,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018900308] [2024-11-08 12:29:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:29:28,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:28,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018900308] [2024-11-08 12:29:28,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018900308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:28,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:29:28,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:29:28,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229206725] [2024-11-08 12:29:28,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:28,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:29:28,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:28,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:29:28,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:29:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:28,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:29:28,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 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) [2024-11-08 12:29:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:34,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:34,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-08 12:29:34,793 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:29:34,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:34,793 INFO L85 PathProgramCache]: Analyzing trace with hash -74709171, now seen corresponding path program 4 times [2024-11-08 12:29:34,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:34,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946145734] [2024-11-08 12:29:34,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:34,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:29:36,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946145734] [2024-11-08 12:29:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946145734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:36,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:29:36,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:29:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748428293] [2024-11-08 12:29:36,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:36,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:29:36,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:36,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:29:36,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:29:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:36,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:29:36,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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) [2024-11-08 12:29:36,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:36,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:36,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:36,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:36,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:42,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-08 12:29:42,441 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:29:42,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:42,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1978981528, now seen corresponding path program 5 times [2024-11-08 12:29:42,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:42,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877572295] [2024-11-08 12:29:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:42,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:29:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:44,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877572295] [2024-11-08 12:29:44,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877572295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:44,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:29:44,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:29:44,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337111371] [2024-11-08 12:29:44,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:44,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:29:44,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:44,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:29:44,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:29:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:44,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:29:44,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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) [2024-11-08 12:29:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:29:51,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:29:51,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:51,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:51,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:51,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:29:51,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-08 12:29:51,240 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2024-11-08 12:29:51,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash -811594345, now seen corresponding path program 6 times [2024-11-08 12:29:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298590391] [2024-11-08 12:29:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:29:53,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:53,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298590391] [2024-11-08 12:29:53,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298590391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:29:53,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285096239] [2024-11-08 12:29:53,291 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:29:53,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:29:53,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:29:53,294 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:29:53,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbf93c5-9eac-49e1-bab1-5ead678efc1e/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-08 12:29:53,803 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-08 12:29:53,803 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:29:53,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-08 12:29:53,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:29:53,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 12:29:53,907 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:29:53,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:29:54,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:29:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:54,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 12:29:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:54,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:54,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 12:29:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:54,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-08 12:29:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2024-11-08 12:29:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:29:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2024-11-08 12:29:55,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:29:55,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2024-11-08 12:29:56,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-08 12:29:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 12:29:56,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:29:56,178 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_3624 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 2 c_threadThread3of4ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_3624 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ c_threadThread3of4ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_3624 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 3 c_threadThread3of4ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_3624 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) c_threadThread3of4ForFork0_~p~0.offset) 0))) is different from false [2024-11-08 12:29:56,514 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3)) (.cse2 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse3))) (and (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_3620) .cse2 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) c_threadThread3of4ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_3620) .cse2 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ c_threadThread3of4ForFork0_~p~0.offset 1)) 0)) (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_3620) .cse2 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 2 c_threadThread3of4ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int))) (= 0 (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store .cse0 .cse1 v_ArrVal_3620) .cse2 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 3 c_threadThread3of4ForFork0_~p~0.offset))))))) is different from false [2024-11-08 12:29:56,542 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 1 .cse4)) (.cse2 (+ 2 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4)) (.cse3 (+ 3 |c_ULTIMATE.start_main_~is~0#1.offset| .cse4))) (and (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_3618) .cse2 v_ArrVal_3620) .cse3 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) c_threadThread3of4ForFork0_~p~0.offset) 0)) (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_3618) .cse2 v_ArrVal_3620) .cse3 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 3 c_threadThread3of4ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_3618) .cse2 v_ArrVal_3620) .cse3 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 2 c_threadThread3of4ForFork0_~p~0.offset)) 0)) (forall ((v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store .cse0 .cse1 v_ArrVal_3618) .cse2 v_ArrVal_3620) .cse3 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ c_threadThread3of4ForFork0_~p~0.offset 1)) 0))))) is different from false [2024-11-08 12:29:57,733 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse0 (select |c_#race| |c_ULTIMATE.start_main_~is~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~is~0#1.offset| 4 .cse5)) (.cse2 (+ 5 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5)) (.cse3 (+ 6 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5)) (.cse4 (+ 7 |c_ULTIMATE.start_main_~is~0#1.offset| .cse5))) (and (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (store .cse0 .cse1 |ULTIMATE.start_main_#t~nondet7#1|) .cse2 v_ArrVal_3618) .cse3 v_ArrVal_3620) .cse4 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 3 c_threadThread3of4ForFork0_~p~0.offset)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (store .cse0 .cse1 |ULTIMATE.start_main_#t~nondet7#1|) .cse2 v_ArrVal_3618) .cse3 v_ArrVal_3620) .cse4 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ c_threadThread3of4ForFork0_~p~0.offset 1)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (store .cse0 .cse1 |ULTIMATE.start_main_#t~nondet7#1|) .cse2 v_ArrVal_3618) .cse3 v_ArrVal_3620) .cse4 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) c_threadThread3of4ForFork0_~p~0.offset) 0)) (forall ((|ULTIMATE.start_main_#t~nondet7#1| Int) (v_ArrVal_3622 Int) (v_ArrVal_3620 Int) (v_ArrVal_3624 (Array Int Int)) (v_ArrVal_3618 Int)) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~is~0#1.base| (store (store (store (store .cse0 .cse1 |ULTIMATE.start_main_#t~nondet7#1|) .cse2 v_ArrVal_3618) .cse3 v_ArrVal_3620) .cse4 v_ArrVal_3622)) |c_ULTIMATE.start_main_~tids~0#1.base| v_ArrVal_3624) c_threadThread3of4ForFork0_~p~0.base) (+ 2 c_threadThread3of4ForFork0_~p~0.offset)) 0))))) is different from false [2024-11-08 12:30:02,597 INFO L349 Elim1Store]: treesize reduction 680, result has 31.9 percent of original size [2024-11-08 12:30:02,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 95 treesize of output 331 [2024-11-08 12:30:02,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:30:02,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 292 treesize of output 264 [2024-11-08 12:30:02,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:30:03,030 INFO L349 Elim1Store]: treesize reduction 874, result has 12.5 percent of original size [2024-11-08 12:30:03,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 95 treesize of output 137 [2024-11-08 12:30:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:30:03,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2024-11-08 12:30:03,149 INFO L349 Elim1Store]: treesize reduction 998, result has 0.1 percent of original size [2024-11-08 12:30:03,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 95 treesize of output 1 [2024-11-08 12:30:03,410 INFO L349 Elim1Store]: treesize reduction 903, result has 9.6 percent of original size [2024-11-08 12:30:03,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 106 [2024-11-08 12:30:03,423 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:30:03,430 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:30:03,431 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:30:03,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:30:03,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-11-08 12:30:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 17 refuted. 5 times theorem prover too weak. 66 trivial. 35 not checked. [2024-11-08 12:30:04,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285096239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:30:04,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:30:04,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 19] total 44 [2024-11-08 12:30:04,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954018692] [2024-11-08 12:30:04,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:30:04,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-08 12:30:04,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:30:04,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-08 12:30:04,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1345, Unknown=84, NotChecked=324, Total=1980 [2024-11-08 12:30:04,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:30:04,452 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:30:04,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.8863636363636362) internal successors, (171), 45 states have internal predecessors, (171), 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) [2024-11-08 12:30:04,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:30:04,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:30:04,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:30:04,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:30:04,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:30:04,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:30:04,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.