./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:43:02,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:43:02,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:43:02,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:43:02,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:43:02,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:43:02,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:43:02,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:43:02,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:43:02,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:43:02,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:43:02,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:43:02,699 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:43:02,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:43:02,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:43:02,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:43:02,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:43:02,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:43:02,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:43:02,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:43:02,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:43:02,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:43:02,705 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:43:02,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:43:02,706 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:43:02,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:43:02,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:43:02,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:43:02,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:43:02,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:43:02,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:43:02,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:43:02,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:43:02,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:43:02,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:43:02,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:43:02,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:43:02,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:43:02,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:43:02,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:43:02,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:43:02,711 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c [2023-11-29 02:43:02,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:43:02,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:43:02,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:43:02,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:43:02,938 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:43:02,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2023-11-29 02:43:05,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:43:05,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:43:05,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2023-11-29 02:43:05,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/data/639dd16f5/e1e1168bcdb544759ad396a93c5f4bd3/FLAG1e9954865 [2023-11-29 02:43:05,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/data/639dd16f5/e1e1168bcdb544759ad396a93c5f4bd3 [2023-11-29 02:43:05,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:43:05,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:43:05,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:43:05,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:43:05,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:43:05,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:43:05" (1/1) ... [2023-11-29 02:43:05,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1117cb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:05, skipping insertion in model container [2023-11-29 02:43:05,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:43:05" (1/1) ... [2023-11-29 02:43:05,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:43:06,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:43:06,260 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:43:06,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:43:06,335 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:43:06,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06 WrapperNode [2023-11-29 02:43:06,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:43:06,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:43:06,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:43:06,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:43:06,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,382 INFO L138 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2023-11-29 02:43:06,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:43:06,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:43:06,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:43:06,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:43:06,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:43:06,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:43:06,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:43:06,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:43:06,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (1/1) ... [2023-11-29 02:43:06,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:43:06,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:43:06,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:43:06,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:43:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:43:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:43:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:43:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:43:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 02:43:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 02:43:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:43:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:43:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:43:06,482 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:43:06,611 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:43:06,613 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:43:06,787 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:43:06,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:43:06,798 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:43:06,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:06 BoogieIcfgContainer [2023-11-29 02:43:06,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:43:06,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:43:06,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:43:06,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:43:06,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:43:05" (1/3) ... [2023-11-29 02:43:06,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c58e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:43:06, skipping insertion in model container [2023-11-29 02:43:06,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:43:06" (2/3) ... [2023-11-29 02:43:06,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c58e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:43:06, skipping insertion in model container [2023-11-29 02:43:06,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:06" (3/3) ... [2023-11-29 02:43:06,808 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2023-11-29 02:43:06,815 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:43:06,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:43:06,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 02:43:06,824 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:43:06,879 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 02:43:06,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 74 transitions, 152 flow [2023-11-29 02:43:06,955 INFO L124 PetriNetUnfolderBase]: 1/73 cut-off events. [2023-11-29 02:43:06,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:43:06,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 1/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2023-11-29 02:43:06,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 74 transitions, 152 flow [2023-11-29 02:43:06,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 73 transitions, 149 flow [2023-11-29 02:43:06,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:43:06,981 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=PETRI_NET, 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;@547dd065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:43:06,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-29 02:43:06,994 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:43:06,995 INFO L124 PetriNetUnfolderBase]: 1/36 cut-off events. [2023-11-29 02:43:06,995 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:43:06,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:43:06,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:06,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 02:43:07,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:07,002 INFO L85 PathProgramCache]: Analyzing trace with hash 505712863, now seen corresponding path program 1 times [2023-11-29 02:43:07,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:07,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846439092] [2023-11-29 02:43:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:07,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:07,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846439092] [2023-11-29 02:43:07,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846439092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:07,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:07,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:43:07,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129954422] [2023-11-29 02:43:07,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:07,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:43:07,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:07,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:43:07,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:43:08,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 74 [2023-11-29 02:43:08,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 57.166666666666664) internal successors, (343), 6 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:08,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:43:08,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 74 [2023-11-29 02:43:08,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:43:08,271 INFO L124 PetriNetUnfolderBase]: 72/466 cut-off events. [2023-11-29 02:43:08,271 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 02:43:08,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 466 events. 72/466 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2866 event pairs, 26 based on Foata normal form. 1/433 useless extension candidates. Maximal degree in co-relation 619. Up to 101 conditions per place. [2023-11-29 02:43:08,279 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 28 selfloop transitions, 22 changer transitions 1/105 dead transitions. [2023-11-29 02:43:08,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 313 flow [2023-11-29 02:43:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:43:08,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:43:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 388 transitions. [2023-11-29 02:43:08,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8738738738738738 [2023-11-29 02:43:08,312 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 388 transitions. [2023-11-29 02:43:08,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 388 transitions. [2023-11-29 02:43:08,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:43:08,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 388 transitions. [2023-11-29 02:43:08,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 64.66666666666667) internal successors, (388), 6 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:08,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:08,333 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:08,335 INFO L175 Difference]: Start difference. First operand has 76 places, 73 transitions, 149 flow. Second operand 6 states and 388 transitions. [2023-11-29 02:43:08,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 313 flow [2023-11-29 02:43:08,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 105 transitions, 312 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:43:08,344 INFO L231 Difference]: Finished difference. Result has 84 places, 93 transitions, 290 flow [2023-11-29 02:43:08,346 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=290, PETRI_PLACES=84, PETRI_TRANSITIONS=93} [2023-11-29 02:43:08,350 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, 8 predicate places. [2023-11-29 02:43:08,350 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 93 transitions, 290 flow [2023-11-29 02:43:08,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.166666666666664) internal successors, (343), 6 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:08,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:43:08,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:08,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:43:08,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 02:43:08,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:08,352 INFO L85 PathProgramCache]: Analyzing trace with hash -307619560, now seen corresponding path program 1 times [2023-11-29 02:43:08,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:08,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586107603] [2023-11-29 02:43:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:08,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:08,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:08,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586107603] [2023-11-29 02:43:08,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586107603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:08,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:08,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:43:08,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646234702] [2023-11-29 02:43:08,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:08,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:43:08,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:08,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:43:08,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:43:08,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 74 [2023-11-29 02:43:08,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 93 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 54.5) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:08,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:43:08,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 74 [2023-11-29 02:43:08,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:43:09,076 INFO L124 PetriNetUnfolderBase]: 118/657 cut-off events. [2023-11-29 02:43:09,077 INFO L125 PetriNetUnfolderBase]: For 99/109 co-relation queries the response was YES. [2023-11-29 02:43:09,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1172 conditions, 657 events. 118/657 cut-off events. For 99/109 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4628 event pairs, 29 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 1137. Up to 204 conditions per place. [2023-11-29 02:43:09,083 INFO L140 encePairwiseOnDemand]: 63/74 looper letters, 42 selfloop transitions, 26 changer transitions 0/126 dead transitions. [2023-11-29 02:43:09,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 126 transitions, 512 flow [2023-11-29 02:43:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:43:09,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:43:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 372 transitions. [2023-11-29 02:43:09,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8378378378378378 [2023-11-29 02:43:09,086 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 372 transitions. [2023-11-29 02:43:09,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 372 transitions. [2023-11-29 02:43:09,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:43:09,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 372 transitions. [2023-11-29 02:43:09,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,090 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,090 INFO L175 Difference]: Start difference. First operand has 84 places, 93 transitions, 290 flow. Second operand 6 states and 372 transitions. [2023-11-29 02:43:09,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 126 transitions, 512 flow [2023-11-29 02:43:09,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 126 transitions, 512 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:43:09,097 INFO L231 Difference]: Finished difference. Result has 92 places, 115 transitions, 468 flow [2023-11-29 02:43:09,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=92, PETRI_TRANSITIONS=115} [2023-11-29 02:43:09,098 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, 16 predicate places. [2023-11-29 02:43:09,098 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 115 transitions, 468 flow [2023-11-29 02:43:09,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.5) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,099 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:43:09,099 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:09,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:43:09,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 02:43:09,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1135876324, now seen corresponding path program 1 times [2023-11-29 02:43:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:09,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766660271] [2023-11-29 02:43:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:09,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:09,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:09,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766660271] [2023-11-29 02:43:09,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766660271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:09,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:09,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:43:09,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313652721] [2023-11-29 02:43:09,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:09,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:43:09,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:43:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:43:09,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 74 [2023-11-29 02:43:09,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 115 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:43:09,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 74 [2023-11-29 02:43:09,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:43:09,732 INFO L124 PetriNetUnfolderBase]: 294/1322 cut-off events. [2023-11-29 02:43:09,732 INFO L125 PetriNetUnfolderBase]: For 645/678 co-relation queries the response was YES. [2023-11-29 02:43:09,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2864 conditions, 1322 events. 294/1322 cut-off events. For 645/678 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 10383 event pairs, 68 based on Foata normal form. 10/1243 useless extension candidates. Maximal degree in co-relation 2826. Up to 426 conditions per place. [2023-11-29 02:43:09,742 INFO L140 encePairwiseOnDemand]: 59/74 looper letters, 78 selfloop transitions, 59 changer transitions 0/189 dead transitions. [2023-11-29 02:43:09,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 189 transitions, 1103 flow [2023-11-29 02:43:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:43:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:43:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 373 transitions. [2023-11-29 02:43:09,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8400900900900901 [2023-11-29 02:43:09,744 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 373 transitions. [2023-11-29 02:43:09,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 373 transitions. [2023-11-29 02:43:09,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:43:09,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 373 transitions. [2023-11-29 02:43:09,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 62.166666666666664) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,748 INFO L175 Difference]: Start difference. First operand has 92 places, 115 transitions, 468 flow. Second operand 6 states and 373 transitions. [2023-11-29 02:43:09,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 189 transitions, 1103 flow [2023-11-29 02:43:09,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 189 transitions, 1103 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:43:09,758 INFO L231 Difference]: Finished difference. Result has 101 places, 167 transitions, 986 flow [2023-11-29 02:43:09,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=986, PETRI_PLACES=101, PETRI_TRANSITIONS=167} [2023-11-29 02:43:09,760 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, 25 predicate places. [2023-11-29 02:43:09,760 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 167 transitions, 986 flow [2023-11-29 02:43:09,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:09,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:43:09,761 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:09,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:43:09,761 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 02:43:09,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:09,762 INFO L85 PathProgramCache]: Analyzing trace with hash 230018047, now seen corresponding path program 1 times [2023-11-29 02:43:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:09,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413547630] [2023-11-29 02:43:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:09,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:43:10,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:10,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413547630] [2023-11-29 02:43:10,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413547630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:10,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:10,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:43:10,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188386822] [2023-11-29 02:43:10,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:10,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:43:10,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:10,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:43:10,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:43:10,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 74 [2023-11-29 02:43:10,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 167 transitions, 986 flow. Second operand has 6 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:10,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:43:10,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 74 [2023-11-29 02:43:10,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:43:10,465 INFO L124 PetriNetUnfolderBase]: 482/1777 cut-off events. [2023-11-29 02:43:10,465 INFO L125 PetriNetUnfolderBase]: For 2357/2403 co-relation queries the response was YES. [2023-11-29 02:43:10,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5017 conditions, 1777 events. 482/1777 cut-off events. For 2357/2403 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14567 event pairs, 89 based on Foata normal form. 14/1719 useless extension candidates. Maximal degree in co-relation 4972. Up to 681 conditions per place. [2023-11-29 02:43:10,510 INFO L140 encePairwiseOnDemand]: 59/74 looper letters, 109 selfloop transitions, 76 changer transitions 12/253 dead transitions. [2023-11-29 02:43:10,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 253 transitions, 1908 flow [2023-11-29 02:43:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:43:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:43:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 358 transitions. [2023-11-29 02:43:10,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8063063063063063 [2023-11-29 02:43:10,513 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 358 transitions. [2023-11-29 02:43:10,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 358 transitions. [2023-11-29 02:43:10,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:43:10,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 358 transitions. [2023-11-29 02:43:10,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:10,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:10,516 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:10,516 INFO L175 Difference]: Start difference. First operand has 101 places, 167 transitions, 986 flow. Second operand 6 states and 358 transitions. [2023-11-29 02:43:10,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 253 transitions, 1908 flow [2023-11-29 02:43:10,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 253 transitions, 1840 flow, removed 34 selfloop flow, removed 0 redundant places. [2023-11-29 02:43:10,530 INFO L231 Difference]: Finished difference. Result has 110 places, 216 transitions, 1544 flow [2023-11-29 02:43:10,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1544, PETRI_PLACES=110, PETRI_TRANSITIONS=216} [2023-11-29 02:43:10,532 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, 34 predicate places. [2023-11-29 02:43:10,532 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 216 transitions, 1544 flow [2023-11-29 02:43:10,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:43:10,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:43:10,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:10,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:43:10,533 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-29 02:43:10,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:10,533 INFO L85 PathProgramCache]: Analyzing trace with hash 930829682, now seen corresponding path program 1 times [2023-11-29 02:43:10,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:10,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871011257] [2023-11-29 02:43:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:10,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:43:10,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:43:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:43:10,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:43:10,587 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:43:10,588 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-29 02:43:10,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-29 02:43:10,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-29 02:43:10,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-29 02:43:10,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-29 02:43:10,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-29 02:43:10,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-29 02:43:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:43:10,591 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 02:43:10,597 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:43:10,597 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:43:10,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 02:43:10,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated [2023-11-29 02:43:10,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:43:10,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:43:10,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:43:10 BasicIcfg [2023-11-29 02:43:10,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:43:10,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:43:10,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:43:10,634 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:43:10,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:43:06" (3/4) ... [2023-11-29 02:43:10,636 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:43:10,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:43:10,638 INFO L158 Benchmark]: Toolchain (without parser) took 4729.55ms. Allocated memory was 153.1MB in the beginning and 297.8MB in the end (delta: 144.7MB). Free memory was 120.3MB in the beginning and 235.9MB in the end (delta: -115.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-29 02:43:10,638 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 96.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:43:10,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.49ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 100.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 02:43:10,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.17ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:43:10,640 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 153.1MB. Free memory was 98.7MB in the beginning and 97.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:43:10,640 INFO L158 Benchmark]: RCFGBuilder took 386.16ms. Allocated memory is still 153.1MB. Free memory was 97.2MB in the beginning and 82.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:43:10,641 INFO L158 Benchmark]: TraceAbstraction took 3830.57ms. Allocated memory was 153.1MB in the beginning and 297.8MB in the end (delta: 144.7MB). Free memory was 81.9MB in the beginning and 235.9MB in the end (delta: -154.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:43:10,641 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 297.8MB. Free memory is still 235.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:43:10,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 96.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.49ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 100.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.17ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 153.1MB. Free memory was 98.7MB in the beginning and 97.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.16ms. Allocated memory is still 153.1MB. Free memory was 97.2MB in the beginning and 82.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3830.57ms. Allocated memory was 153.1MB in the beginning and 297.8MB in the end (delta: 144.7MB). Free memory was 81.9MB in the beginning and 235.9MB in the end (delta: -154.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 297.8MB. Free memory is still 235.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 694]: Data race detected [2023-11-29 02:43:10,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 02:43:10,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated [2023-11-29 02:43:10,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:43:10,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:43:10,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 02:43:10,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated [2023-11-29 02:43:10,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:43:10,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 02:43:10,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 02:43:10,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 02:43:10,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4, id={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}] [L694] EXPR 0 data[i] VAL [arg={0:0}, data={1:0}, i=4, id={2:0}] [L694] 0 data[i]++ VAL [arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i=4, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 98 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 725 IncrementalHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 6 mSDtfsCounter, 725 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1544occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-29 02:43:10,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc6c70c-3eeb-4812-8e0b-0ca36bf5c7db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE