./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-in-array.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-in-array.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx --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 0026ab1092a8a0465a20b39c2dea92fa9c4dc52098c477016ebc8544f5aaf0f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:21:29,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:21:29,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-12-02 20:21:29,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:21:29,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:21:29,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:21:29,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:21:29,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:21:29,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:21:29,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:21:29,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:21:29,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:21:29,128 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:21:29,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:21:29,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:21:29,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:21:29,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:21:29,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:21:29,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:21:29,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:21:29,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:21:29,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:21:29,134 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 20:21:29,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:21:29,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:21:29,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:21:29,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:21:29,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:21:29,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:21:29,137 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-02 20:21:29,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:21:29,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:21:29,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:21:29,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:21:29,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:21:29,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:21:29,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:21:29,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:21:29,139 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:21:29,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:21:29,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:21:29,140 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:21:29,140 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:21:29,140 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_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0026ab1092a8a0465a20b39c2dea92fa9c4dc52098c477016ebc8544f5aaf0f0 [2023-12-02 20:21:29,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:21:29,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:21:29,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:21:29,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:21:29,395 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:21:29,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-in-array.i [2023-12-02 20:21:32,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:21:32,380 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:21:32,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/sv-benchmarks/c/pthread-race-challenges/per-thread-struct-in-array.i [2023-12-02 20:21:32,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/data/e000e1e54/0ea862c2a1d04f2aa20140ab0cb41b98/FLAG6c6486c4a [2023-12-02 20:21:32,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/data/e000e1e54/0ea862c2a1d04f2aa20140ab0cb41b98 [2023-12-02 20:21:32,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:21:32,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:21:32,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:21:32,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:21:32,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:21:32,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:32,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d39820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32, skipping insertion in model container [2023-12-02 20:21:32,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:32,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:21:32,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:21:32,862 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:21:32,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:21:32,953 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:21:32,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32 WrapperNode [2023-12-02 20:21:32,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:21:32,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:21:32,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:21:32,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:21:32,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:32,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,005 INFO L138 Inliner]: procedures = 265, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2023-12-02 20:21:33,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:21:33,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:21:33,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:21:33,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:21:33,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:21:33,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:21:33,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:21:33,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:21:33,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (1/1) ... [2023-12-02 20:21:33,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:21:33,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:33,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:21:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:21:33,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:21:33,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:21:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:21:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 20:21:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:21:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:21:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:21:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-12-02 20:21:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-12-02 20:21:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:21:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:21:33,102 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:21:33,232 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:21:33,234 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:21:33,487 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:21:33,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:21:33,499 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 20:21:33,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:33 BoogieIcfgContainer [2023-12-02 20:21:33,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:21:33,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:21:33,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:21:33,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:21:33,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:21:32" (1/3) ... [2023-12-02 20:21:33,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e977714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:21:33, skipping insertion in model container [2023-12-02 20:21:33,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:32" (2/3) ... [2023-12-02 20:21:33,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e977714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:21:33, skipping insertion in model container [2023-12-02 20:21:33,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:33" (3/3) ... [2023-12-02 20:21:33,509 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-struct-in-array.i [2023-12-02 20:21:33,516 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:21:33,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:21:33,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-12-02 20:21:33,525 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:21:33,585 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 20:21:33,624 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:21:33,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:21:33,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:33,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:21:33,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:21:33,664 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:21:33,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-12-02 20:21:33,680 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;@5fe25b2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:21:33,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:21:33,936 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:21:33,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash -983011726, now seen corresponding path program 1 times [2023-12-02 20:21:33,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783516525] [2023-12-02 20:21:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:33,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:34,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783516525] [2023-12-02 20:21:34,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783516525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:21:34,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:21:34,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:21:34,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735880840] [2023-12-02 20:21:34,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:21:34,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:21:34,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:34,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:21:34,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:21:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:34,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:34,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2023-12-02 20:21:34,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:34,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:21:34,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:21:34,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash -396544275, now seen corresponding path program 1 times [2023-12-02 20:21:34,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:34,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859613109] [2023-12-02 20:21:34,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:34,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:34,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:34,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859613109] [2023-12-02 20:21:34,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859613109] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:21:34,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:21:34,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:21:34,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107526834] [2023-12-02 20:21:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:21:34,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:21:34,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:34,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:21:34,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:21:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:34,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:34,957 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) [2023-12-02 20:21:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:35,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:21:35,115 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:21:35,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:35,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1434386381, now seen corresponding path program 1 times [2023-12-02 20:21:35,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:35,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250855034] [2023-12-02 20:21:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:35,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:35,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:35,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250855034] [2023-12-02 20:21:35,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250855034] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:21:35,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464046864] [2023-12-02 20:21:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:35,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:35,912 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:21:35,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:21:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:36,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 20:21:36,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:21:36,078 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 [2023-12-02 20:21:36,097 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:21:36,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:21:36,113 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 16 treesize of output 8 [2023-12-02 20:21:36,156 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 [2023-12-02 20:21:36,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:21:36,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:36,189 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:21:36,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:36,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:21:36,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:36,414 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:21:36,451 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_188 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-12-02 20:21:36,622 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_188 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)))) (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:21:36,646 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_188 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) .cse2))) (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_188 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_188) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:21:36,751 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 17 treesize of output 9 [2023-12-02 20:21:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-12-02 20:21:36,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464046864] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:21:36,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:21:36,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2023-12-02 20:21:36,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123533597] [2023-12-02 20:21:36,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:21:36,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:21:36,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:21:36,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=174, Unknown=3, NotChecked=84, Total=306 [2023-12-02 20:21:36,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:36,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:36,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.470588235294118) internal successors, (76), 18 states have internal predecessors, (76), 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) [2023-12-02 20:21:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:21:37,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:21:37,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:37,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:21:37,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:37,796 INFO L85 PathProgramCache]: Analyzing trace with hash -624750547, now seen corresponding path program 2 times [2023-12-02 20:21:37,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:37,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431690076] [2023-12-02 20:21:37,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:37,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:38,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:38,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431690076] [2023-12-02 20:21:38,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431690076] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:21:38,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703052252] [2023-12-02 20:21:38,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:21:38,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:38,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:21:38,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:21:38,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:21:38,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:21:38,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 20:21:38,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:21:38,909 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 26 treesize of output 14 [2023-12-02 20:21:39,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:21:39,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:21:39,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:39,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:21:39,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:39,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:21:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:39,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:39,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:39,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:39,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:39,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:39,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:21:39,747 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_307 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_307 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_307 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_307 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-12-02 20:21:40,101 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:21:40,125 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) .cse1))) (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_306 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#ts~0#1.base| v_ArrVal_306) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_307) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:21:40,433 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 27 treesize of output 15 [2023-12-02 20:21:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-12-02 20:21:40,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703052252] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:21:40,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:21:40,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 38 [2023-12-02 20:21:40,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118718437] [2023-12-02 20:21:40,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:21:40,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-02 20:21:40,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:40,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-02 20:21:40,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1111, Unknown=17, NotChecked=210, Total=1482 [2023-12-02 20:21:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:40,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:40,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.421052631578948) internal successors, (168), 39 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:21:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:21:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:21:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:21:41,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:21:42,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:42,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:21:42,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash -862869011, now seen corresponding path program 1 times [2023-12-02 20:21:42,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:42,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44257036] [2023-12-02 20:21:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:42,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:43,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:43,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44257036] [2023-12-02 20:21:43,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44257036] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:21:43,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927826710] [2023-12-02 20:21:43,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:43,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:43,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:43,407 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:21:43,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:21:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:43,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 20:21:43,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:21:43,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:21:43,612 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-12-02 20:21:43,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-12-02 20:21:43,716 INFO L349 Elim1Store]: treesize reduction 32, result has 45.8 percent of original size [2023-12-02 20:21:43,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2023-12-02 20:21:43,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:43,809 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:21:43,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2023-12-02 20:21:44,240 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2023-12-02 20:21:44,240 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 3 case distinctions, treesize of input 62 treesize of output 62 [2023-12-02 20:21:44,258 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 24 treesize of output 18 [2023-12-02 20:21:44,652 INFO L349 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2023-12-02 20:21:44,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 63 [2023-12-02 20:21:44,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:21:44,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:21:44,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:44,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:21:45,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:45,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:21:45,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:45,679 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 70 treesize of output 50 [2023-12-02 20:21:45,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:45,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:45,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:45,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:45,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:45,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-12-02 20:21:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:45,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:21:45,894 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_431 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_431 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_431 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_431 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-12-02 20:21:46,118 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|))) (and (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse0 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse0 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse0 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse0 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-12-02 20:21:46,262 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:21:46,282 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse2 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_430) .cse1 v_ArrVal_431) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:21:47,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:47,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 114 treesize of output 103 [2023-12-02 20:21:47,071 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 65 treesize of output 63 [2023-12-02 20:21:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-12-02 20:21:47,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927826710] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:21:47,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:21:47,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 50 [2023-12-02 20:21:47,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016683796] [2023-12-02 20:21:47,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:21:47,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-12-02 20:21:47,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:47,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-12-02 20:21:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1955, Unknown=27, NotChecked=372, Total=2550 [2023-12-02 20:21:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:47,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:47,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 3.4) internal successors, (170), 51 states have internal predecessors, (170), 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) [2023-12-02 20:21:47,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:47,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:47,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:21:47,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:21:47,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:21:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 20:21:52,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:21:52,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:52,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:21:52,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:52,896 INFO L85 PathProgramCache]: Analyzing trace with hash -609284871, now seen corresponding path program 2 times [2023-12-02 20:21:52,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:52,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368674996] [2023-12-02 20:21:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:52,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:53,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:53,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368674996] [2023-12-02 20:21:53,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368674996] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:21:53,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401301623] [2023-12-02 20:21:53,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:21:53,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:53,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:53,977 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:21:53,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:21:54,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:21:54,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:21:54,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 20:21:54,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:21:54,254 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 [2023-12-02 20:21:54,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:54,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-12-02 20:21:54,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:54,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:54,462 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 20:21:54,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2023-12-02 20:21:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:54,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:54,570 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:21:54,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2023-12-02 20:21:54,937 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 [2023-12-02 20:21:55,565 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-12-02 20:21:55,565 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 3 case distinctions, treesize of input 72 treesize of output 66 [2023-12-02 20:21:55,971 INFO L349 Elim1Store]: treesize reduction 40, result has 21.6 percent of original size [2023-12-02 20:21:55,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 52 [2023-12-02 20:21:56,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:21:56,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 20:21:56,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:56,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-12-02 20:21:57,032 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:21:57,033 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 63 treesize of output 35 [2023-12-02 20:21:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:57,123 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 30 treesize of output 21 [2023-12-02 20:21:57,147 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 [2023-12-02 20:21:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:57,257 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 [2023-12-02 20:21:57,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:57,290 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 [2023-12-02 20:21:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:57,309 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 [2023-12-02 20:21:57,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2023-12-02 20:21:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:57,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:21:57,489 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_555 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_555 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_555 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)))) (forall ((v_ArrVal_555 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-12-02 20:21:57,951 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) .cse0) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) |c_ULTIMATE.start_main_#t~mem14#1.base| v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-12-02 20:21:57,971 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 3 c_threadThread1of1ForFork0_~t~0.offset)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) .cse1 v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) .cse1 v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) .cse0))) (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) .cse1 v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_550 (Array Int Int)) (v_ArrVal_555 (Array Int Int)) (v_ArrVal_554 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_550) c_threadThread1of1ForFork0_~t~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_554) .cse1 v_ArrVal_555) c_threadThread1of1ForFork0_~t~0.base) (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-12-02 20:21:58,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:58,716 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 3 case distinctions, treesize of input 196 treesize of output 188 [2023-12-02 20:21:58,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:58,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 133 treesize of output 87 [2023-12-02 20:21:58,731 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 21 treesize of output 17 [2023-12-02 20:21:58,735 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 32 treesize of output 24 [2023-12-02 20:21:58,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:21:58,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:21:58,750 INFO L349 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2023-12-02 20:21:58,751 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 3 case distinctions, treesize of input 30 treesize of output 1 [2023-12-02 20:21:58,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:21:58,753 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:21:58,755 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:21:58,755 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:21:58,760 INFO L349 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2023-12-02 20:21:58,760 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 3 case distinctions, treesize of input 28 treesize of output 1 [2023-12-02 20:21:59,373 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 [2023-12-02 20:21:59,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:59,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 114 treesize of output 100 [2023-12-02 20:21:59,736 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 65 treesize of output 63 [2023-12-02 20:22:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:22:00,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401301623] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:22:00,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:22:00,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25, 23] total 65 [2023-12-02 20:22:00,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844123332] [2023-12-02 20:22:00,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:22:00,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-12-02 20:22:00,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:22:00,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-12-02 20:22:00,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=3569, Unknown=34, NotChecked=372, Total=4290 [2023-12-02 20:22:00,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:00,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:22:00,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 2.876923076923077) internal successors, (187), 66 states have internal predecessors, (187), 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) [2023-12-02 20:22:00,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:00,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:22:00,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:22:00,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:00,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-12-02 20:22:00,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:08,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:08,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:22:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:22:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:22:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:22:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:22:08,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:22:08,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:08,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:22:08,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:22:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1568712949, now seen corresponding path program 3 times [2023-12-02 20:22:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:22:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144106895] [2023-12-02 20:22:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:22:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:22:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:22:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:22:09,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:22:09,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144106895] [2023-12-02 20:22:09,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144106895] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:22:09,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560288043] [2023-12-02 20:22:09,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:22:09,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:09,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:22:09,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:22:09,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a7fd-b321-43dc-a184-5bc410599e4c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:22:09,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:22:09,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:22:09,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 88 conjunts are in the unsatisfiable core [2023-12-02 20:22:09,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:22:09,953 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 [2023-12-02 20:22:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:09,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-12-02 20:22:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:10,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:10,154 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 20:22:10,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2023-12-02 20:22:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:10,283 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:22:10,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2023-12-02 20:22:11,267 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-12-02 20:22:11,267 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 3 case distinctions, treesize of input 88 treesize of output 78 [2023-12-02 20:22:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:11,278 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 31 treesize of output 21 [2023-12-02 20:22:11,746 INFO L349 Elim1Store]: treesize reduction 40, result has 21.6 percent of original size [2023-12-02 20:22:11,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 52 [2023-12-02 20:22:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:11,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-12-02 20:22:11,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:22:11,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 20:22:12,865 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:22:12,865 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 63 treesize of output 35 [2023-12-02 20:22:12,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 20:22:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:12,949 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 [2023-12-02 20:22:12,974 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 [2023-12-02 20:22:13,059 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 [2023-12-02 20:22:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:13,150 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 [2023-12-02 20:22:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:13,174 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 [2023-12-02 20:22:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:13,206 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 [2023-12-02 20:22:13,315 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 44 treesize of output 41 [2023-12-02 20:22:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:22:13,373 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:22:18,563 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse3 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem14#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse2 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int))) (= (select (select (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int))) (= (select (select (let ((.cse4 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse5 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) .cse6))) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int))) (= (select (select (let ((.cse7 (store .cse2 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse7 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse7 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-12-02 20:22:18,593 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_#t~mem14#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse2 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse3 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse4 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse5 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse6 |c_ULTIMATE.start_main_#t~mem14#1.base| (store (select .cse6 |c_ULTIMATE.start_main_#t~mem14#1.base|) .cse1 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-12-02 20:22:18,634 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|) (* |c_ULTIMATE.start_main_~i~1#1| 4))) (.cse3 (+ 2 c_threadThread1of1ForFork0_~t~0.offset)) (.cse4 (+ 3 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) .cse4))) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse5 .cse1 (store (select .cse5 .cse1) .cse2 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) .cse3) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse6 .cse1 (store (select .cse6 .cse1) .cse2 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) c_threadThread1of1ForFork0_~t~0.offset) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_681 Int) (v_ArrVal_680 (Array Int Int)) (v_ArrVal_674 (Array Int Int))) (= (select (select (let ((.cse7 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_674) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_680))) (store .cse7 .cse1 (store (select .cse7 .cse1) .cse2 v_ArrVal_681))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-12-02 20:22:19,967 INFO L349 Elim1Store]: treesize reduction 26, result has 63.9 percent of original size [2023-12-02 20:22:19,968 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 700 treesize of output 695 [2023-12-02 20:22:19,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:19,990 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 387 treesize of output 351 [2023-12-02 20:22:20,010 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 240 treesize of output 224 [2023-12-02 20:22:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:20,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,192 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,220 INFO L349 Elim1Store]: treesize reduction 49, result has 31.9 percent of original size [2023-12-02 20:22:20,220 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 212 treesize of output 215 [2023-12-02 20:22:20,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 92 [2023-12-02 20:22:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:20,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,289 INFO L349 Elim1Store]: treesize reduction 53, result has 26.4 percent of original size [2023-12-02 20:22:20,289 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 316 treesize of output 263 [2023-12-02 20:22:20,302 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 117 treesize of output 113 [2023-12-02 20:22:20,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 127 [2023-12-02 20:22:20,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,363 INFO L349 Elim1Store]: treesize reduction 53, result has 26.4 percent of original size [2023-12-02 20:22:20,364 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 300 treesize of output 247 [2023-12-02 20:22:20,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:22:20,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 142 [2023-12-02 20:22:20,414 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 94 treesize of output 92 [2023-12-02 20:22:24,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:24,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 418 treesize of output 409 [2023-12-02 20:22:24,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:24,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 330 treesize of output 425 [2023-12-02 20:22:24,604 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 285 treesize of output 283 [2023-12-02 20:22:24,631 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 283 treesize of output 281 [2023-12-02 20:22:24,656 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 281 treesize of output 279 [2023-12-02 20:22:24,698 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 279 treesize of output 277 [2023-12-02 20:22:24,725 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 277 treesize of output 275 [2023-12-02 20:22:24,762 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 275 treesize of output 273 [2023-12-02 20:22:24,790 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 273 treesize of output 271 [2023-12-02 20:22:24,824 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 271 treesize of output 269 [2023-12-02 20:26:37,246 WARN L293 SmtUtils]: Spent 19.92s on a formula simplification. DAG size of input: 1167 DAG size of output: 2014 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:26:57,732 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 642 DAG size of output: 773 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)