./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.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_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/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_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/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_c9e4e30b-ba59-41dd-a2b6-f159788cb515/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 4d853145e48ada6aa212af657ef21b1dd6bc82cb156511f71c23f87b45f2510e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:30:08,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:30:08,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-12-02 20:30:08,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:30:08,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:30:08,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:30:08,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:30:08,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:30:08,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:30:08,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:30:08,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:30:08,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:30:08,850 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:30:08,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:30:08,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:30:08,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:30:08,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:30:08,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:30:08,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:30:08,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:30:08,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:30:08,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:30:08,857 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 20:30:08,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:30:08,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:30:08,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:30:08,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:30:08,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:30:08,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:30:08,861 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-02 20:30:08,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:30:08,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:30:08,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:30:08,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:30:08,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:30:08,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:30:08,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:30:08,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:30:08,863 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:30:08,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:30:08,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:30:08,864 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:30:08,864 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:30:08,864 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_c9e4e30b-ba59-41dd-a2b6-f159788cb515/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d853145e48ada6aa212af657ef21b1dd6bc82cb156511f71c23f87b45f2510e [2023-12-02 20:30:09,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:30:09,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:30:09,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:30:09,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:30:09,112 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:30:09,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.i [2023-12-02 20:30:11,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:30:12,224 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:30:12,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.i [2023-12-02 20:30:12,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/data/0d8ab026f/829aae433ccb447b8cc09d0111944f18/FLAG5992e5dad [2023-12-02 20:30:12,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/data/0d8ab026f/829aae433ccb447b8cc09d0111944f18 [2023-12-02 20:30:12,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:30:12,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:30:12,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:30:12,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:30:12,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:30:12,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455afed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12, skipping insertion in model container [2023-12-02 20:30:12,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:30:12,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:30:12,798 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:30:12,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:30:12,903 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:30:12,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12 WrapperNode [2023-12-02 20:30:12,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:30:12,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:30:12,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:30:12,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:30:12,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,962 INFO L138 Inliner]: procedures = 263, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2023-12-02 20:30:12,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:30:12,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:30:12,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:30:12,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:30:12,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:12,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:13,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:13,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:13,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:13,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:30:13,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:30:13,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:30:13,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:30:13,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (1/1) ... [2023-12-02 20:30:13,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:30:13,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:13,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:30:13,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:30:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 20:30:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 20:30:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:30:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:30:13,076 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 20:30:13,219 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:30:13,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:30:13,452 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:30:13,481 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:30:13,481 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 20:30:13,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:13 BoogieIcfgContainer [2023-12-02 20:30:13,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:30:13,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:30:13,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:30:13,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:30:13,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:30:12" (1/3) ... [2023-12-02 20:30:13,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274a8143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:30:13, skipping insertion in model container [2023-12-02 20:30:13,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:12" (2/3) ... [2023-12-02 20:30:13,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274a8143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:30:13, skipping insertion in model container [2023-12-02 20:30:13,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:13" (3/3) ... [2023-12-02 20:30:13,490 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_04-funloop_hard1.i [2023-12-02 20:30:13,498 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:30:13,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:30:13,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 20:30:13,507 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:30:13,568 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:30:13,606 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:30:13,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:30:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:13,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:30:13,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:30:13,660 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:30:13,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-12-02 20:30:13,683 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;@700a6dc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:30:13,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 20:30:13,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:13,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:13,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1223993046, now seen corresponding path program 1 times [2023-12-02 20:30:13,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:13,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910076896] [2023-12-02 20:30:13,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:13,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:14,163 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 20:30:14,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:14,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910076896] [2023-12-02 20:30:14,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910076896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:30:14,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:30:14,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:30:14,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851900955] [2023-12-02 20:30:14,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:30:14,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:30:14,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:30:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:30:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:14,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:14,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 20:30:14,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:14,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:14,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:30:14,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:14,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:14,245 INFO L85 PathProgramCache]: Analyzing trace with hash -2050118445, now seen corresponding path program 1 times [2023-12-02 20:30:14,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:14,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946149432] [2023-12-02 20:30:14,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:14,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:14,401 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 20:30:14,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:14,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946149432] [2023-12-02 20:30:14,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946149432] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:14,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676235675] [2023-12-02 20:30:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:14,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:14,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:14,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:14,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:30:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:14,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:30:14,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:14,557 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 20:30:14,557 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:30:14,595 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 20:30:14,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676235675] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:30:14,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:30:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-12-02 20:30:14,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236480109] [2023-12-02 20:30:14,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:30:14,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:30:14,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:14,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:30:14,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:30:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:14,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:14,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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 20:30:14,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:14,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:14,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:30:14,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:14,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:14,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:14,910 INFO L85 PathProgramCache]: Analyzing trace with hash -5944653, now seen corresponding path program 2 times [2023-12-02 20:30:14,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:14,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937561674] [2023-12-02 20:30:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:14,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:30:15,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:15,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937561674] [2023-12-02 20:30:15,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937561674] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:15,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411159401] [2023-12-02 20:30:15,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:30:15,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:15,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:15,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:15,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:30:15,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:30:15,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:30:15,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 20:30:15,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:15,253 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 20:30:15,273 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 20:30:15,304 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:30:15,305 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 20:30:15,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:30:15,345 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 20:30:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 20:30:15,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:30:15,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411159401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:30:15,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:30:15,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-12-02 20:30:15,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550871561] [2023-12-02 20:30:15,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:30:15,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:30:15,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:15,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:30:15,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:30:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:15,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:15,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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 20:30:15,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:15,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:15,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:15,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:15,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:30:15,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:15,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:15,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1950653640, now seen corresponding path program 1 times [2023-12-02 20:30:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:15,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235943132] [2023-12-02 20:30:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:30:15,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235943132] [2023-12-02 20:30:15,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235943132] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997304153] [2023-12-02 20:30:15,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:15,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:15,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:15,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:30:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:16,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:30:16,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:30:16,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:30:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:30:16,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997304153] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:30:16,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:30:16,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-12-02 20:30:16,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834881308] [2023-12-02 20:30:16,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:30:16,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:30:16,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:16,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:30:16,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:30:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:16,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:16,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.222222222222222) 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 20:30:16,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:16,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:16,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:16,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:16,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:30:16,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:16,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:16,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:16,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1463637752, now seen corresponding path program 2 times [2023-12-02 20:30:16,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:16,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438253780] [2023-12-02 20:30:16,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:16,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:30:16,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:16,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438253780] [2023-12-02 20:30:16,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438253780] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:16,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106658984] [2023-12-02 20:30:16,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:30:16,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:16,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:16,968 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:16,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:30:17,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:30:17,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:30:17,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 20:30:17,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:17,247 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 20:30:17,276 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 20:30:17,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:30:17,318 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 20:30:17,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:30:17,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-12-02 20:30:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 20:30:17,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:30:17,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106658984] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:30:17,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:30:17,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2023-12-02 20:30:17,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295357307] [2023-12-02 20:30:17,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:30:17,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:30:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:17,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:30:17,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2023-12-02 20:30:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:17,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:17,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 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 20:30:17,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:17,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:30:17,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:17,971 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:17,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:17,971 INFO L85 PathProgramCache]: Analyzing trace with hash -170867860, now seen corresponding path program 1 times [2023-12-02 20:30:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:17,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713289445] [2023-12-02 20:30:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 20:30:18,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:18,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713289445] [2023-12-02 20:30:18,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713289445] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:18,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602231110] [2023-12-02 20:30:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:18,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:18,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:18,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:18,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:30:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:18,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:30:18,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 20:30:18,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:30:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 20:30:18,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602231110] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:30:18,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:30:18,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-12-02 20:30:18,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403654921] [2023-12-02 20:30:18,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:30:18,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:30:18,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:30:18,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:30:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:18,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:18,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.434782608695652) internal successors, (102), 23 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:30:18,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:18,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:18,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:18,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:18,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:18,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:19,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:19,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:19,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:30:19,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 20:30:19,267 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:19,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash 122064943, now seen corresponding path program 2 times [2023-12-02 20:30:19,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:19,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371561579] [2023-12-02 20:30:19,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:19,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:19,863 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-12-02 20:30:19,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:19,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371561579] [2023-12-02 20:30:19,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371561579] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:30:19,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:30:19,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:30:19,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056246885] [2023-12-02 20:30:19,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:30:19,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:30:19,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:19,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:30:19,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:30:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:19,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:19,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:30:19,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:19,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:19,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:19,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:19,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:19,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:19,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:20,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:30:20,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:20,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:20,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1630238971, now seen corresponding path program 1 times [2023-12-02 20:30:20,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:20,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553789043] [2023-12-02 20:30:20,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:21,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:21,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553789043] [2023-12-02 20:30:21,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553789043] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:21,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029707464] [2023-12-02 20:30:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:21,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:21,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:21,433 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:21,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:30:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:21,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 20:30:21,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:21,998 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 20:30:22,048 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 20:30:22,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:30:22,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:30:22,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:22,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:22,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:22,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:22,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2023-12-02 20:30:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:22,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:30:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:40,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029707464] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:30:40,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:30:40,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 39 [2023-12-02 20:30:40,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907687703] [2023-12-02 20:30:40,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:30:40,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-12-02 20:30:40,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:40,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-12-02 20:30:40,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1346, Unknown=3, NotChecked=0, Total=1560 [2023-12-02 20:30:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:40,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:40,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 5.794871794871795) internal successors, (226), 40 states have internal predecessors, (226), 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 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:30:42,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:30:42,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:42,629 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:42,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash -39453219, now seen corresponding path program 1 times [2023-12-02 20:30:42,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:42,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251191476] [2023-12-02 20:30:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:42,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:43,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:43,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251191476] [2023-12-02 20:30:43,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251191476] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:43,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817604717] [2023-12-02 20:30:43,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:43,828 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:43,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:30:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:44,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 20:30:44,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:44,732 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 20:30:44,788 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 20:30:44,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:30:44,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:30:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:45,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2023-12-02 20:30:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:45,089 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:30:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 19 proven. 51 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:46,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817604717] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:30:46,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:30:46,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 46 [2023-12-02 20:30:46,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108176456] [2023-12-02 20:30:46,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:30:46,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-12-02 20:30:46,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:46,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-12-02 20:30:46,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1920, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 20:30:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:46,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:46,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 6.978260869565218) internal successors, (321), 47 states have internal predecessors, (321), 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 20:30:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:46,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:46,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:30:46,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:30:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:30:50,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:30:50,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:50,232 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:30:50,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:30:50,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1734679704, now seen corresponding path program 1 times [2023-12-02 20:30:50,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:30:50,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276744373] [2023-12-02 20:30:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:50,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:30:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 864 proven. 404 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:53,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:30:53,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276744373] [2023-12-02 20:30:53,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276744373] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:30:53,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082354069] [2023-12-02 20:30:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:30:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:30:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:30:53,793 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:30:53,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:30:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:30:54,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 20:30:54,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:30:56,222 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 20:30:56,285 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 20:30:56,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:30:56,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:30:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:30:57,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2023-12-02 20:30:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 1098 proven. 170 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:30:57,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:31:07,522 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_~#cache~0.base|)) (.cse1 (+ 28 |c_~#cache~0.offset| (* 28 |c_ULTIMATE.start_main_#t~post39#1|)))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store |c_#race| |c_~#cache~0.base| (store .cse0 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))))) is different from false [2023-12-02 20:33:01,312 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse1 (select .cse0 |c_~#cache~0.base|)) (.cse3 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse2)) (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))))))) is different from false [2023-12-02 20:33:03,382 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) (.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse2 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|)) (.cse1 (select .cse0 |c_~#cache~0.base|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse5) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))))))) is different from false [2023-12-02 20:33:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 740 proven. 510 refuted. 0 times theorem prover too weak. 235 trivial. 18 not checked. [2023-12-02 20:33:05,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082354069] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:05,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:05,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 32] total 95 [2023-12-02 20:33:05,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916137853] [2023-12-02 20:33:05,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:05,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-12-02 20:33:05,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:05,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-12-02 20:33:05,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=892, Invalid=7619, Unknown=57, NotChecked=552, Total=9120 [2023-12-02 20:33:05,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:05,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:05,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 10.926315789473684) internal successors, (1038), 96 states have internal predecessors, (1038), 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 20:33:05,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:33:05,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,234 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) (.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse1 (select .cse0 |c_~#cache~0.base|)) (.cse2 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (= |c_~#cache~0.base| 1) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (< (+ |c_ULTIMATE.start_main_~i~2#1| 1) |c_t_funThread1of1ForFork0_~i~0#1|) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse5) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (or (< .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) (not (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (or (not (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|)) (< .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))))) is different from false [2023-12-02 20:33:51,254 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse1 (select .cse0 |c_~#cache~0.base|)) (.cse3 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|))) (and (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse2)) (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (= |c_~#cache~0.base| 1) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (< |c_ULTIMATE.start_main_~i~2#1| |c_t_funThread1of1ForFork0_~i~0#1|) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))))))) is different from false [2023-12-02 20:33:53,272 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (let ((.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#race| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (let ((.cse2 (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) 28 |c_~#cache~0.offset|)) (.cse1 (select .cse0 |c_~#cache~0.base|))) (and (= |c_~#cache~0.base| 1) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (< |c_ULTIMATE.start_main_~i~2#1| |c_t_funThread1of1ForFork0_~i~0#1|) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse3) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| Int)) (or (< .cse2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32|) (= (select (select (store .cse0 |c_~#cache~0.base| (store .cse1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_32| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))))))) is different from false [2023-12-02 20:34:07,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:09,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:11,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:13,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:15,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:17,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:19,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:21,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:23,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:25,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:27,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:29,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:31,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:33,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:35,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:37,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:39,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:41,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:43,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:45,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:47,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:49,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:51,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:53,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:55,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:57,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:34:59,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:01,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:03,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:05,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:07,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:09,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:11,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:13,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:15,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:17,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:19,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:21,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:23,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:25,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:27,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:29,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:31,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:33,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:35,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:37,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:39,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:41,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:43,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:45,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:47,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:49,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:51,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:53,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:55,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:57,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:35:59,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:01,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:03,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:05,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:07,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:36:09,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:11,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:13,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:15,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:17,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:19,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:21,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:23,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:25,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:27,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:29,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:31,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:33,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:35,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:36:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:36:40,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:36:40,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-12-02 20:36:40,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:36:40,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 20:36:40,463 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:36:40,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:36:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1300467532, now seen corresponding path program 2 times [2023-12-02 20:36:40,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:36:40,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077411648] [2023-12-02 20:36:40,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:36:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:36:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:36:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4664 backedges. 3964 proven. 465 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:36:43,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:36:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077411648] [2023-12-02 20:36:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077411648] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:36:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865958711] [2023-12-02 20:36:43,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:36:43,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:36:43,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:36:43,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:36:43,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:36:43,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:36:43,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:36:43,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 20:36:43,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:36:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4664 backedges. 3666 proven. 0 refuted. 0 times theorem prover too weak. 998 trivial. 0 not checked. [2023-12-02 20:36:44,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:36:44,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865958711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:36:44,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:36:44,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [37] total 39 [2023-12-02 20:36:44,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708593842] [2023-12-02 20:36:44,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:36:44,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:36:44,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:36:44,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:36:44,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=1116, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 20:36:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:36:44,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:36:44,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 17.304347826086957) internal successors, (398), 23 states have internal predecessors, (398), 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 20:36:44,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:44,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-12-02 20:36:44,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:36:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:36:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-12-02 20:36:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:36:45,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:36:45,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:36:45,423 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:36:45,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:36:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash 157730424, now seen corresponding path program 3 times [2023-12-02 20:36:45,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:36:45,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383850938] [2023-12-02 20:36:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:36:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:36:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:36:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 864 proven. 404 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:36:52,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:36:52,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383850938] [2023-12-02 20:36:52,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383850938] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:36:52,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104600332] [2023-12-02 20:36:52,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:36:52,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:36:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:36:52,318 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:36:52,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:36:52,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:36:52,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:36:52,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 85 conjunts are in the unsatisfiable core [2023-12-02 20:36:52,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:36:53,685 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 13 treesize of output 9 [2023-12-02 20:36:53,879 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 20:36:53,961 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 20:36:54,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:36:54,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:36:54,907 INFO L349 Elim1Store]: treesize reduction 22, result has 38.9 percent of original size [2023-12-02 20:36:54,907 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 2 case distinctions, treesize of input 28 treesize of output 27 [2023-12-02 20:36:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2023-12-02 20:36:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2023-12-02 20:36:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2023-12-02 20:36:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:55,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2023-12-02 20:36:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 77 [2023-12-02 20:36:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 84 [2023-12-02 20:36:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 87 [2023-12-02 20:36:56,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:56,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 80 [2023-12-02 20:36:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:57,487 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 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-02 20:36:58,510 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:36:58,511 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 17 treesize of output 11 [2023-12-02 20:36:58,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:58,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 81 [2023-12-02 20:36:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 153 proven. 17 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2023-12-02 20:36:58,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:37:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:18,437 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 29 treesize of output 17 [2023-12-02 20:37:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 162 proven. 8 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2023-12-02 20:37:19,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104600332] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:37:19,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:37:19,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 28, 24] total 83 [2023-12-02 20:37:19,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022877589] [2023-12-02 20:37:19,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:37:19,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2023-12-02 20:37:19,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:37:19,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2023-12-02 20:37:19,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=6135, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 20:37:19,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:19,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:37:19,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 83 states have (on average 6.698795180722891) internal successors, (556), 84 states have internal predecessors, (556), 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 20:37:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:37:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:37:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:37:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:37:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:37:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:37:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:37:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-12-02 20:37:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:37:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:00,280 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse39 (select |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|)) (.cse40 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 4)) (.cse12 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse11 (* |c_ULTIMATE.start_main_~i~2#1| 28)) (.cse24 (select |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|)) (.cse25 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse15 (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|)) (.cse16 (not (= (select .cse24 .cse25) 0))) (.cse1 (not (= (select .cse12 (+ .cse11 |c_~#cache~0.offset| 4)) 0))) (.cse3 (+ .cse11 |c_~#cache~0.offset|)) (.cse2 (select |c_#race| |c_~#cache~0.base|)) (.cse7 (+ .cse11 28 |c_~#cache~0.offset|)) (.cse13 (+ .cse11 32 |c_~#cache~0.offset|)) (.cse10 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) (.cse8 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3)) (.cse9 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2)) (.cse32 (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|)) (.cse41 (not (= (select .cse39 .cse40) 0))) (.cse0 (+ 252 |c_~#cache~0.offset|))) (and (<= .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|) (or .cse1 (let ((.cse4 (+ .cse11 |c_~#cache~0.offset| 1)) (.cse5 (+ .cse11 2 |c_~#cache~0.offset|)) (.cse6 (+ .cse11 3 |c_~#cache~0.offset|))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse6 v_ArrVal_2772) .cse7 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse6 v_ArrVal_2772) .cse7 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse8) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse6 v_ArrVal_2772) .cse7 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 .cse3 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse4 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse5 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse6 v_ArrVal_2772) .cse7 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (not (= (select .cse12 .cse13) 0))) (or (let ((.cse14 (select (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store .cse15 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (and (= (select .cse14 .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse14 .cse8) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse14 .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse14 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) .cse16) (= (mod |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28) 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 9 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (= |c_~#cache~0.base| 1) (= (mod |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 28) 0) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_~#cache~0.offset| 0) (or (let ((.cse18 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1)) (.cse19 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2)) (.cse20 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse17 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse15 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse20 v_ArrVal_2772)))) (store .cse17 |c_~#cache~0.base| (store (select .cse17 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse21 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse15 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse20 v_ArrVal_2772)))) (store .cse21 |c_~#cache~0.base| (store (select .cse21 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse8) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse22 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse15 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse20 v_ArrVal_2772)))) (store .cse22 |c_~#cache~0.base| (store (select .cse22 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse23 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (store .cse15 |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse18 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse19 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse20 v_ArrVal_2772)))) (store .cse23 |c_~#cache~0.base| (store (select .cse23 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) .cse16 (forall ((v_ArrVal_2773 Int)) (not (= (select (select (store |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store .cse24 .cse25 v_ArrVal_2773)) |c_~#cache~0.base|) .cse13) 0)))) (or .cse1 (let ((.cse26 (select (store |c_#race| |c_~#cache~0.base| (store .cse2 .cse3 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (and (= (select .cse26 .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse26 .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse26 .cse8) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse26 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| 1) (or (let ((.cse27 (+ |c_~#cache~0.offset| 1)) (.cse28 (+ 2 |c_~#cache~0.offset|)) (.cse29 (+ 3 |c_~#cache~0.offset|)) (.cse30 (+ 28 |c_~#cache~0.offset|))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 |c_~#cache~0.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse29 v_ArrVal_2772) .cse30 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 |c_~#cache~0.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse29 v_ArrVal_2772) .cse30 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 |c_~#cache~0.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse29 v_ArrVal_2772) .cse30 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse8) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (store |c_#race| |c_~#cache~0.base| (store (store (store (store (store .cse2 |c_~#cache~0.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse27 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse28 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse29 v_ArrVal_2772) .cse30 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (not (= (select .cse12 (+ |c_~#cache~0.offset| 4)) 0)) (not (= (select .cse12 (+ 32 |c_~#cache~0.offset|)) 0))) (or (let ((.cse33 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 1)) (.cse34 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 2)) (.cse35 (+ |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 3))) (and (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse31 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse32 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse33 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse34 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse35 v_ArrVal_2772)))) (store .cse31 |c_~#cache~0.base| (store (select .cse31 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse8) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse36 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse32 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse33 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse34 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse35 v_ArrVal_2772)))) (store .cse36 |c_~#cache~0.base| (store (select .cse36 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse37 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse32 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse33 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse34 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse35 v_ArrVal_2772)))) (store .cse37 |c_~#cache~0.base| (store (select .cse37 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)) (forall ((|ULTIMATE.start_cache_entry_addref_#t~nondet33#1| Int) (v_ArrVal_2772 Int)) (= (select (select (let ((.cse38 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store (store (store (store .cse32 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse33 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse34 |ULTIMATE.start_cache_entry_addref_#t~nondet33#1|) .cse35 v_ArrVal_2772)))) (store .cse38 |c_~#cache~0.base| (store (select .cse38 |c_~#cache~0.base|) .cse7 0))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|)))) (forall ((v_ArrVal_2773 Int)) (not (= (select (select (store |c_#pthreadsMutex| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store .cse39 .cse40 v_ArrVal_2773)) |c_~#cache~0.base|) .cse13) 0))) .cse41) (= (select (select |c_#pthreadsMutex| 1) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (or (let ((.cse42 (select (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base| (store .cse32 |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (and (= (select .cse42 .cse10) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= (select .cse42 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| (select .cse42 .cse8)) (= (select .cse42 .cse9) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1|))) .cse41) (<= .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) is different from true [2023-12-02 20:38:27,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-12-02 20:38:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:38:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-12-02 20:38:32,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 20:38:32,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:32,532 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:38:32,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:32,532 INFO L85 PathProgramCache]: Analyzing trace with hash 496421879, now seen corresponding path program 4 times [2023-12-02 20:38:32,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:32,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441974181] [2023-12-02 20:38:32,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:32,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 864 proven. 444 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:38:45,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:45,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441974181] [2023-12-02 20:38:45,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441974181] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:45,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273929892] [2023-12-02 20:38:45,517 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:38:45,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:45,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:45,518 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:45,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e4e30b-ba59-41dd-a2b6-f159788cb515/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process