./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW --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 b606ed8b0061f7540a480987fb5d0368be6ab145ef928bee0cc134c3bece9590 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:48:18,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:48:18,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-17 22:48:18,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:48:18,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:48:18,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:48:18,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:48:18,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:48:18,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:48:18,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:48:18,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:48:18,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:48:18,150 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:48:18,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:48:18,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:48:18,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:48:18,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:48:18,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:48:18,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:48:18,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:48:18,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:48:18,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:48:18,156 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-17 22:48:18,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:48:18,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:48:18,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:48:18,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:48:18,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:48:18,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:48:18,159 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 22:48:18,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:48:18,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:18,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:48:18,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:48:18,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:48:18,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:48:18,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:48:18,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:48:18,162 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:48:18,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:48:18,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:48:18,163 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:48:18,186 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:48:18,186 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_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b606ed8b0061f7540a480987fb5d0368be6ab145ef928bee0cc134c3bece9590 [2023-11-17 22:48:18,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:48:18,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:48:18,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:48:18,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:48:18,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:48:18,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race-2.i [2023-11-17 22:48:21,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:48:21,833 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:48:21,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race-2.i [2023-11-17 22:48:21,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/data/2cd4d9b13/b25ef872493f4f61a6c085ad1be94072/FLAG95f1c42cb [2023-11-17 22:48:21,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/data/2cd4d9b13/b25ef872493f4f61a6c085ad1be94072 [2023-11-17 22:48:21,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:48:21,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:48:21,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:21,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:48:21,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:48:21,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:21" (1/1) ... [2023-11-17 22:48:21,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415f1402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:21, skipping insertion in model container [2023-11-17 22:48:21,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:21" (1/1) ... [2023-11-17 22:48:21,966 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:48:22,161 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:48:22,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:48:22,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:48:22,531 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:48:22,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:48:22,664 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:48:22,673 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:48:22,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22 WrapperNode [2023-11-17 22:48:22,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:22,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:48:22,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:48:22,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:48:22,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,768 INFO L138 Inliner]: procedures = 266, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2023-11-17 22:48:22,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:48:22,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:48:22,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:48:22,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:48:22,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:48:22,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:48:22,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:48:22,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:48:22,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (1/1) ... [2023-11-17 22:48:22,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:22,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:48:22,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 22:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:48:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 22:48:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:48:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:48:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 22:48:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-17 22:48:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-17 22:48:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:48:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:48:22,962 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:48:23,153 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:48:23,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:48:23,445 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:48:23,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:48:23,458 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 22:48:23,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:23 BoogieIcfgContainer [2023-11-17 22:48:23,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:48:23,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:48:23,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:48:23,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:48:23,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:48:21" (1/3) ... [2023-11-17 22:48:23,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b7c87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:48:23, skipping insertion in model container [2023-11-17 22:48:23,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:22" (2/3) ... [2023-11-17 22:48:23,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b7c87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:48:23, skipping insertion in model container [2023-11-17 22:48:23,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:23" (3/3) ... [2023-11-17 22:48:23,477 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-index-race-2.i [2023-11-17 22:48:23,487 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:48:23,498 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:48:23,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-17 22:48:23,499 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 22:48:23,615 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-17 22:48:23,678 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:48:23,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:48:23,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:23,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:48:23,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 22:48:23,753 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:48:23,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-11-17 22:48:23,778 INFO L357 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, mHoare=true, 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;@78386a12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:48:23,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 22:48:24,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:24,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:24,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1597542448, now seen corresponding path program 1 times [2023-11-17 22:48:24,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:24,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045700180] [2023-11-17 22:48:24,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:24,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:24,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045700180] [2023-11-17 22:48:24,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045700180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:48:24,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:48:24,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:48:24,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340824626] [2023-11-17 22:48:24,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:48:24,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 22:48:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:24,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 22:48:24,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 22:48:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:24,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2023-11-17 22:48:24,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 22:48:24,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:24,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:24,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1167023293, now seen corresponding path program 1 times [2023-11-17 22:48:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:24,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078339152] [2023-11-17 22:48:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:24,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:24,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078339152] [2023-11-17 22:48:24,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078339152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:48:24,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:48:24,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:48:24,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450685545] [2023-11-17 22:48:24,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:48:24,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:48:24,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:24,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:48:24,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:48:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:24,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-17 22:48:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:24,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 22:48:24,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:24,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:24,758 INFO L85 PathProgramCache]: Analyzing trace with hash 395297287, now seen corresponding path program 1 times [2023-11-17 22:48:24,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:24,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47855660] [2023-11-17 22:48:24,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:25,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:25,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47855660] [2023-11-17 22:48:25,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47855660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:48:25,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:48:25,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 22:48:25,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948430216] [2023-11-17 22:48:25,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:48:25,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 22:48:25,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 22:48:25,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-17 22:48:25,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:25,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:25,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2023-11-17 22:48:25,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:25,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 22:48:25,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:25,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash 552674047, now seen corresponding path program 1 times [2023-11-17 22:48:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:25,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278894866] [2023-11-17 22:48:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:26,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:26,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278894866] [2023-11-17 22:48:26,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278894866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:48:26,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:48:26,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-17 22:48:26,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607021383] [2023-11-17 22:48:26,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:48:26,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-17 22:48:26,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:26,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-17 22:48:26,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-17 22:48:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:26,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:26,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 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) [2023-11-17 22:48:26,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:26,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:26,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:26,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:48:26,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 22:48:26,969 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:26,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:26,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1561137989, now seen corresponding path program 1 times [2023-11-17 22:48:26,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:26,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245117922] [2023-11-17 22:48:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:26,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:28,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:28,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245117922] [2023-11-17 22:48:28,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245117922] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:48:28,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239183467] [2023-11-17 22:48:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:28,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:28,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:28,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:48:28,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 22:48:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:28,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-17 22:48:28,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:48:28,713 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 [2023-11-17 22:48:28,888 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-17 22:48:28,889 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 15 [2023-11-17 22:48:29,535 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-17 22:48:29,535 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-17 22:48:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:29,854 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 26 treesize of output 19 [2023-11-17 22:48:29,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-17 22:48:30,002 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 19 treesize of output 18 [2023-11-17 22:48:30,119 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 26 treesize of output 28 [2023-11-17 22:48:30,234 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 33 treesize of output 38 [2023-11-17 22:48:30,717 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 25 treesize of output 13 [2023-11-17 22:48:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:30,816 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 37 treesize of output 26 [2023-11-17 22:48:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:30,856 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 37 treesize of output 26 [2023-11-17 22:48:30,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:30,900 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 37 treesize of output 26 [2023-11-17 22:48:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:30,953 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 37 treesize of output 26 [2023-11-17 22:48:31,096 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 [2023-11-17 22:48:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:31,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:48:31,190 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* 4 c_threadThread1of1ForFork0_~i~0))) (and (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse0)))) (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)))))) is different from false [2023-11-17 22:48:31,252 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* 4 c_threadThread1of1ForFork0_~i~0))) (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-17 22:48:31,353 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse1 (* 4 c_threadThread1of1ForFork0_~i~0))) (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse0 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse0 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse1 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse0 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse1)))) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse0 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-17 22:48:31,571 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse3 (+ c_~datas~0.offset 3 .cse2))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse1 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse1 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset .cse2)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse1 v_ArrVal_212) c_~datas~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_211) .cse1 v_ArrVal_212) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse2)))))))) is different from false [2023-11-17 22:48:31,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:31,977 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 4 case distinctions, treesize of input 58 treesize of output 74 [2023-11-17 22:48:31,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:31,986 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 189 treesize of output 91 [2023-11-17 22:48:31,995 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 42 treesize of output 35 [2023-11-17 22:48:32,002 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 60 treesize of output 46 [2023-11-17 22:48:32,034 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-17 22:48:32,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 1 [2023-11-17 22:48:32,044 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-17 22:48:32,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 1 [2023-11-17 22:48:32,055 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-17 22:48:32,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 1 [2023-11-17 22:48:32,638 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 92 treesize of output 64 [2023-11-17 22:48:32,653 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 34 treesize of output 30 [2023-11-17 22:48:32,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:32,798 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 35 treesize of output 40 [2023-11-17 22:48:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-17 22:48:32,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239183467] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:48:32,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:48:32,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22, 17] total 50 [2023-11-17 22:48:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322672199] [2023-11-17 22:48:32,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:48:32,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-17 22:48:32,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:32,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-17 22:48:32,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1853, Unknown=70, NotChecked=372, Total=2550 [2023-11-17 22:48:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:32,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:32,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 3.46) internal successors, (173), 51 states have internal predecessors, (173), 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) [2023-11-17 22:48:32,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:32,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:48:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:36,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:48:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 22:48:36,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 22:48:37,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:37,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:37,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:37,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1894740813, now seen corresponding path program 2 times [2023-11-17 22:48:37,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:37,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378295164] [2023-11-17 22:48:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:37,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:38,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:38,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378295164] [2023-11-17 22:48:38,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378295164] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:48:38,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61947790] [2023-11-17 22:48:38,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 22:48:38,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:38,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:38,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:48:38,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 22:48:38,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 22:48:38,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 22:48:38,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-17 22:48:38,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:48:38,572 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 [2023-11-17 22:48:38,698 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-17 22:48:38,699 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 15 [2023-11-17 22:48:39,181 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-17 22:48:39,181 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 33 treesize of output 24 [2023-11-17 22:48:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:39,193 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 16 treesize of output 11 [2023-11-17 22:48:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:39,545 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 16 treesize of output 11 [2023-11-17 22:48:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:39,553 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 26 treesize of output 19 [2023-11-17 22:48:39,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-17 22:48:39,690 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 28 treesize of output 27 [2023-11-17 22:48:39,809 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 42 [2023-11-17 22:48:40,413 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 15 treesize of output 7 [2023-11-17 22:48:40,429 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 25 treesize of output 13 [2023-11-17 22:48:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:40,536 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 44 treesize of output 35 [2023-11-17 22:48:40,587 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 52 treesize of output 57 [2023-11-17 22:48:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:40,712 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 56 treesize of output 45 [2023-11-17 22:48:40,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:40,768 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 56 treesize of output 45 [2023-11-17 22:48:40,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:40,822 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 56 treesize of output 45 [2023-11-17 22:48:40,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 71 treesize of output 60 [2023-11-17 22:48:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:41,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:48:41,586 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse6 (+ c_~datas~0.offset 3 .cse3))) (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem14#1.offset| (* |c_ULTIMATE.start_main_~i~2#1| 4))) (.cse2 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse3)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse4 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse3 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse5 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) .cse6) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse7 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse7 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse7 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse3)) |c_threadThread1of1ForFork0_#t~nondet4|)))))) is different from false [2023-11-17 22:48:41,624 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem14#1.offset| (* |c_ULTIMATE.start_main_~i~2#1| 4))) (.cse2 (+ c_~datas~0.offset 3 .cse3))) (and (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse0 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse3)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse4 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse3 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse5 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse3)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse6 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse6 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse6 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_317))) c_~datas~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:41,689 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse3 (* |c_ULTIMATE.start_main_~i~2#1| 4)) (.cse4 (+ c_~datas~0.offset 3 .cse5)) (.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse1 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse5)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse6 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse6 .cse2 (store (select .cse6 .cse2) (+ .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse5 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse7 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse7 .cse2 (store (select .cse7 .cse2) (+ .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) v_ArrVal_317))) c_~datas~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse8 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse8 .cse2 (store (select .cse8 .cse2) (+ .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse5)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|)))))) is different from false [2023-11-17 22:48:41,868 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (+ c_~datas~0.offset 3 .cse5)) (.cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse0 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) .cse2))) (< .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse4 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse4 .cse1 (store (select .cse4 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse5 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse6 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse6 .cse1 (store (select .cse6 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse5)))))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse7 (store (store |c_#race| c_~datas~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse7 .cse1 (store (select .cse7 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse5)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|)))))) is different from false [2023-11-17 22:48:42,558 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse9 (+ c_~datas~0.offset 2 .cse5))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse3 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse4 (+ c_~datas~0.offset 3 .cse5))) (and (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~2#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse1 (store (store |c_#race| c_~datas~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse5 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse6 (store (store |c_#race| c_~datas~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse6 .cse2 (store (select .cse6 .cse2) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse7 (store (store |c_#race| c_~datas~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse7 .cse2 (store (select .cse7 .cse2) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse5)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~2#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse8 (store (store |c_#race| c_~datas~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse8 .cse2 (store (select .cse8 .cse2) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) .cse9) |c_threadThread1of1ForFork0_#t~nondet4|)))))))))) is different from false [2023-11-17 22:48:42,665 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse7 (+ c_~datas~0.offset .cse4 1)) (.cse9 (+ c_~datas~0.offset 2 .cse4))) (let ((.cse5 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (store |c_#race| c_~datas~0.base (store (store (select |c_#race| c_~datas~0.base) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse3 (+ c_~datas~0.offset 3 .cse4))) (and (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse0 (store (store |c_#race| c_~datas~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) (+ c_~datas~0.offset .cse4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse5 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse6 (store (store |c_#race| c_~datas~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse6 .cse1 (store (select .cse6 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) .cse7))) (< .cse5 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))) (< 0 |v_ULTIMATE.start_main_~i~2#1_17|))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~2#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse8 (store (store |c_#race| c_~datas~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse8 .cse1 (store (select .cse8 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) .cse9) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse5 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|))))) (forall ((|v_ULTIMATE.start_main_~i~2#1_17| Int)) (or (< 0 |v_ULTIMATE.start_main_~i~2#1_17|) (forall ((|v_ULTIMATE.start_main_#t~mem14#1.offset_13| Int)) (or (< .cse5 |v_ULTIMATE.start_main_#t~mem14#1.offset_13|) (forall ((v_ArrVal_316 (Array Int Int)) (v_ArrVal_311 (Array Int Int)) (v_ArrVal_317 Int)) (= (select (select (let ((.cse10 (store (store |c_#race| c_~datas~0.base (store (select (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_311) c_~datas~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_316))) (store .cse10 .cse1 (store (select .cse10 .cse1) (+ |v_ULTIMATE.start_main_#t~mem14#1.offset_13| (* |v_ULTIMATE.start_main_~i~2#1_17| 4)) v_ArrVal_317))) c_~datas~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)))))))))) is different from false [2023-11-17 22:48:42,745 INFO L349 Elim1Store]: treesize reduction 41, result has 59.8 percent of original size [2023-11-17 22:48:42,745 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 664 treesize of output 544 [2023-11-17 22:48:42,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:42,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 543 treesize of output 501 [2023-11-17 22:48:42,794 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 182 treesize of output 176 [2023-11-17 22:48:42,808 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 346 treesize of output 322 [2023-11-17 22:48:43,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:43,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:43,221 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:43,232 INFO L349 Elim1Store]: treesize reduction 101, result has 1.0 percent of original size [2023-11-17 22:48:43,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 413 treesize of output 1 [2023-11-17 22:48:43,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:43,249 INFO L349 Elim1Store]: treesize reduction 101, result has 1.0 percent of original size [2023-11-17 22:48:43,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 413 treesize of output 1 [2023-11-17 22:48:43,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:43,264 INFO L349 Elim1Store]: treesize reduction 101, result has 1.0 percent of original size [2023-11-17 22:48:43,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 237 treesize of output 1 [2023-11-17 22:48:43,692 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (forall ((v_ArrVal_302 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_302) |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|) c_~datas~0.base)))) (.cse0 (* (div |c_ULTIMATE.start_main_~i~1#1| 2) 4))) (and (or (forall ((v_ArrVal_303 (Array Int Int))) (< (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_303) |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|) (+ c_~datas~0.offset .cse0))) .cse1 (and (<= (+ |c_ULTIMATE.start_main_~i~1#1| 1) 0) (not (= (mod |c_ULTIMATE.start_main_~i~1#1| 2) 0)))) (not (= |c_ULTIMATE.start_main_~#tids~0#1.base| c_~datas~0.base)) (or .cse1 (forall ((v_ArrVal_303 (Array Int Int))) (< (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_303) |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|) (+ c_~datas~0.offset .cse0 4)))))) is different from false [2023-11-17 22:48:45,867 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 164 treesize of output 136 [2023-11-17 22:48:45,885 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 123 treesize of output 119 [2023-11-17 22:48:45,896 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 119 treesize of output 115 [2023-11-17 22:48:45,902 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 145 treesize of output 133 [2023-11-17 22:48:45,912 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 133 treesize of output 131 [2023-11-17 22:48:45,919 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 131 treesize of output 129 [2023-11-17 22:48:46,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:46,178 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 52 treesize of output 71 [2023-11-17 22:48:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-17 22:48:46,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61947790] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:48:46,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:48:46,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 21] total 52 [2023-11-17 22:48:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550000695] [2023-11-17 22:48:46,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:48:46,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-11-17 22:48:46,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:46,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-11-17 22:48:46,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1782, Unknown=33, NotChecked=658, Total=2756 [2023-11-17 22:48:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:46,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:46,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 53 states have internal predecessors, (176), 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) [2023-11-17 22:48:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:48:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 22:48:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:48:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 22:48:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-17 22:48:53,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 22:48:53,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-17 22:48:53,332 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:48:53,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:53,333 INFO L85 PathProgramCache]: Analyzing trace with hash -623360645, now seen corresponding path program 3 times [2023-11-17 22:48:53,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:53,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708928233] [2023-11-17 22:48:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:48:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:54,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:48:54,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708928233] [2023-11-17 22:48:54,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708928233] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:48:54,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245585844] [2023-11-17 22:48:54,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 22:48:54,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:48:54,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:54,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:48:54,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 22:48:54,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-17 22:48:54,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 22:48:54,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-17 22:48:54,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:48:54,704 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 [2023-11-17 22:48:54,826 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-17 22:48:54,827 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 15 [2023-11-17 22:48:55,325 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-17 22:48:55,325 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-17 22:48:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:55,333 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 24 treesize of output 11 [2023-11-17 22:48:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:55,644 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 16 treesize of output 11 [2023-11-17 22:48:55,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:55,654 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 26 treesize of output 19 [2023-11-17 22:48:55,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-17 22:48:55,766 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 19 treesize of output 18 [2023-11-17 22:48:56,150 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 7 treesize of output 3 [2023-11-17 22:48:56,158 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 25 treesize of output 13 [2023-11-17 22:48:56,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:56,226 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 23 treesize of output 16 [2023-11-17 22:48:56,258 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 26 treesize of output 28 [2023-11-17 22:48:56,334 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 33 treesize of output 38 [2023-11-17 22:48:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:56,450 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 37 treesize of output 26 [2023-11-17 22:48:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:56,478 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 37 treesize of output 26 [2023-11-17 22:48:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:48:56,523 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 37 treesize of output 26 [2023-11-17 22:48:56,635 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 [2023-11-17 22:48:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:48:56,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:48:56,726 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* 4 c_threadThread1of1ForFork0_~i~0))) (and (forall ((v_ArrVal_423 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse0)))) (forall ((v_ArrVal_423 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-17 22:48:56,771 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* 4 c_threadThread1of1ForFork0_~i~0))) (and (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-17 22:48:56,822 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse1 (+ c_~datas~0.offset 3 .cse2))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse2)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)))) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse2)) |c_threadThread1of1ForFork0_#t~nondet4|)))))) is different from false [2023-11-17 22:48:56,844 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse2 (+ c_~datas~0.offset 2 .cse1)) (.cse3 (+ c_~datas~0.offset 3 .cse1))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (store (select |c_#race| c_~datas~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse1 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_423) c_~datas~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)))))) is different from false [2023-11-17 22:48:57,062 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (* 4 c_threadThread1of1ForFork0_~i~0))) (let ((.cse1 (+ c_~datas~0.offset 3 .cse3)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse0 (+ c_~datas~0.offset 2 .cse3))) (and (forall ((v_ArrVal_416 (Array Int Int)) (v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_416) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) .cse2 v_ArrVal_423) c_~datas~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_416 (Array Int Int)) (v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_416) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) .cse2 v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse3)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_416 (Array Int Int)) (v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_416) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) .cse2 v_ArrVal_423) c_~datas~0.base) (+ c_~datas~0.offset .cse3 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_416 (Array Int Int)) (v_ArrVal_423 (Array Int Int)) (v_ArrVal_422 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_416) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_422) .cse2 v_ArrVal_423) c_~datas~0.base) .cse0) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-17 22:48:57,427 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 67 treesize of output 53 [2023-11-17 22:48:57,431 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 35 treesize of output 28 [2023-11-17 22:48:57,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:57,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:57,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:57,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:57,457 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-17 22:48:57,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1 [2023-11-17 22:48:57,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:57,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 22:48:57,467 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-17 22:48:57,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 1 [2023-11-17 22:48:57,830 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 [2023-11-17 22:48:57,833 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 92 treesize of output 64 [2023-11-17 22:48:57,850 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 34 treesize of output 30 [2023-11-17 22:48:57,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:48:57,957 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 35 treesize of output 40 [2023-11-17 22:48:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-17 22:48:58,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245585844] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:48:58,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:48:58,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 16] total 45 [2023-11-17 22:48:58,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563706109] [2023-11-17 22:48:58,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:48:58,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-17 22:48:58,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:48:58,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-17 22:48:58,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1431, Unknown=42, NotChecked=410, Total=2070 [2023-11-17 22:48:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:58,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:48:58,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.7111111111111112) internal successors, (167), 46 states have internal predecessors, (167), 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) [2023-11-17 22:48:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:48:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:48:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:48:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:48:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 22:48:58,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-11-17 22:48:58,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:49:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 22:49:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 22:49:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-17 22:49:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 22:49:02,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 22:49:03,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:03,106 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-17 22:49:03,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1078329997, now seen corresponding path program 4 times [2023-11-17 22:49:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:03,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308540782] [2023-11-17 22:49:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:49:04,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:04,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308540782] [2023-11-17 22:49:04,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308540782] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:49:04,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122767991] [2023-11-17 22:49:04,165 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 22:49:04,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:04,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:04,166 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:49:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f36fe4d-013d-4960-a94d-9232e5dd14b3/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 22:49:04,412 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 22:49:04,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 22:49:04,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-17 22:49:04,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:49:04,459 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 [2023-11-17 22:49:04,571 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-17 22:49:04,571 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 15 [2023-11-17 22:49:04,894 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 7 treesize of output 3 [2023-11-17 22:49:05,057 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-17 22:49:05,058 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-17 22:49:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:05,350 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 26 treesize of output 19 [2023-11-17 22:49:05,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-17 22:49:05,631 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 25 treesize of output 13 [2023-11-17 22:49:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:05,681 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 16 treesize of output 11 [2023-11-17 22:49:05,715 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 19 treesize of output 18 [2023-11-17 22:49:05,779 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 26 treesize of output 28 [2023-11-17 22:49:05,860 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 33 treesize of output 38 [2023-11-17 22:49:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:05,943 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 37 treesize of output 26 [2023-11-17 22:49:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:05,973 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 37 treesize of output 26