./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:16:50,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:16:50,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:16:50,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:16:50,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:16:50,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:16:50,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:16:50,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:16:50,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:16:50,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:16:50,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:16:50,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:16:50,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:16:50,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:16:50,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:16:50,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:16:50,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:16:50,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:16:50,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:16:50,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:16:50,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:16:50,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:16:50,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:16:50,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:16:50,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:16:50,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:16:50,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:16:50,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:16:50,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:16:50,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:16:50,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:16:50,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:16:50,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:16:50,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:16:50,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:16:50,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:16:50,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:16:50,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:16:50,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:16:50,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:16:50,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:16:50,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 11:16:50,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:16:50,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:16:50,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:16:50,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:16:50,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:16:50,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:16:50,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:16:50,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:16:50,540 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:16:50,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:16:50,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:16:50,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:16:50,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:16:50,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:16:50,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:16:50,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:16:50,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:16:50,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:16:50,544 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:16:50,544 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:16:50,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:16:50,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:16:50,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:16:50,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:16:50,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:16:50,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:16:50,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:16:50,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:16:50,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:16:50,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:16:50,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:16:50,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:16:50,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:16:50,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:16:50,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:16:50,550 INFO L138 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_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde [2022-11-20 11:16:50,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:16:50,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:16:50,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:16:50,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:16:50,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:16:50,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2022-11-20 11:16:54,501 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:16:54,822 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:16:54,823 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2022-11-20 11:16:54,849 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/data/28131a6f6/6949eb686e8b46aa877325af4a22a556/FLAGf510f2aa8 [2022-11-20 11:16:54,868 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/data/28131a6f6/6949eb686e8b46aa877325af4a22a556 [2022-11-20 11:16:54,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:16:54,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:16:54,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:16:54,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:16:54,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:16:54,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:54" (1/1) ... [2022-11-20 11:16:54,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58551e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:54, skipping insertion in model container [2022-11-20 11:16:54,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:54" (1/1) ... [2022-11-20 11:16:54,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:16:54,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:16:55,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2022-11-20 11:16:55,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:16:55,305 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:16:55,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2022-11-20 11:16:55,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:16:55,492 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:16:55,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55 WrapperNode [2022-11-20 11:16:55,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:16:55,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:16:55,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:16:55,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:16:55,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,617 INFO L138 Inliner]: procedures = 29, calls = 44, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 683 [2022-11-20 11:16:55,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:16:55,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:16:55,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:16:55,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:16:55,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:16:55,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:16:55,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:16:55,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:16:55,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (1/1) ... [2022-11-20 11:16:55,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:16:55,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:16:55,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:16:55,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:16:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:16:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2022-11-20 11:16:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2022-11-20 11:16:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-11-20 11:16:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-11-20 11:16:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2022-11-20 11:16:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2022-11-20 11:16:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-11-20 11:16:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-11-20 11:16:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-11-20 11:16:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-11-20 11:16:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:16:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-11-20 11:16:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-11-20 11:16:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:16:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:16:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2022-11-20 11:16:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2022-11-20 11:16:56,020 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:16:56,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:16:56,245 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:16:56,252 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:16:56,270 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:16:56,275 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:16:56,283 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:16:56,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !false; [2022-11-20 11:16:56,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume false; [2022-11-20 11:16:56,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2022-11-20 11:16:56,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2022-11-20 11:16:56,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2022-11-20 11:16:56,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2022-11-20 11:16:56,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-11-20 11:16:56,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-11-20 11:16:56,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2022-11-20 11:16:56,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2022-11-20 11:16:56,891 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:16:56,928 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-11-20 11:16:56,928 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-11-20 11:16:56,948 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:16:56,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:16:56,960 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:16:56,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:56 BoogieIcfgContainer [2022-11-20 11:16:56,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:16:56,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:16:56,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:16:56,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:16:56,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:54" (1/3) ... [2022-11-20 11:16:56,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b19eca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:56, skipping insertion in model container [2022-11-20 11:16:56,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:55" (2/3) ... [2022-11-20 11:16:56,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b19eca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:56, skipping insertion in model container [2022-11-20 11:16:56,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:56" (3/3) ... [2022-11-20 11:16:56,975 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2022-11-20 11:16:56,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:16:56,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-11-20 11:16:57,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:16:57,080 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=LoopsAndPotentialCycles, 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;@59f9f71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:16:57,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-20 11:16:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 255 states, 194 states have (on average 1.6443298969072164) internal successors, (319), 235 states have internal predecessors, (319), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2022-11-20 11:16:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 11:16:57,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:16:57,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:57,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-20 11:16:57,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:57,110 INFO L85 PathProgramCache]: Analyzing trace with hash 110670206, now seen corresponding path program 1 times [2022-11-20 11:16:57,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:57,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822107125] [2022-11-20 11:16:57,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:57,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:57,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:57,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822107125] [2022-11-20 11:16:57,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822107125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:57,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:57,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:57,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451066360] [2022-11-20 11:16:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:57,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:57,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:57,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:57,593 INFO L87 Difference]: Start difference. First operand has 255 states, 194 states have (on average 1.6443298969072164) internal successors, (319), 235 states have internal predecessors, (319), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-20 11:16:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:16:57,785 INFO L93 Difference]: Finished difference Result 446 states and 656 transitions. [2022-11-20 11:16:57,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:57,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2022-11-20 11:16:57,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:16:57,799 INFO L225 Difference]: With dead ends: 446 [2022-11-20 11:16:57,800 INFO L226 Difference]: Without dead ends: 132 [2022-11-20 11:16:57,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:57,811 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 138 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:16:57,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 626 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:16:57,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-20 11:16:57,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-20 11:16:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 106 states have (on average 1.6037735849056605) internal successors, (170), 129 states have internal predecessors, (170), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 174 transitions. [2022-11-20 11:16:57,873 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 174 transitions. Word has length 15 [2022-11-20 11:16:57,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:16:57,873 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 174 transitions. [2022-11-20 11:16:57,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-20 11:16:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 174 transitions. [2022-11-20 11:16:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 11:16:57,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:16:57,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:57,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:16:57,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-20 11:16:57,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:57,878 INFO L85 PathProgramCache]: Analyzing trace with hash -864190669, now seen corresponding path program 1 times [2022-11-20 11:16:57,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:57,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125334722] [2022-11-20 11:16:57,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:57,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:16:57,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:16:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:16:57,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:16:57,975 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:16:57,977 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2022-11-20 11:16:57,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2022-11-20 11:16:57,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2022-11-20 11:16:57,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2022-11-20 11:16:57,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2022-11-20 11:16:57,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2022-11-20 11:16:57,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2022-11-20 11:16:57,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2022-11-20 11:16:57,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2022-11-20 11:16:57,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2022-11-20 11:16:57,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2022-11-20 11:16:57,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2022-11-20 11:16:57,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2022-11-20 11:16:57,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2022-11-20 11:16:57,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2022-11-20 11:16:57,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2022-11-20 11:16:57,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2022-11-20 11:16:57,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2022-11-20 11:16:57,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2022-11-20 11:16:57,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2022-11-20 11:16:57,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2022-11-20 11:16:57,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2022-11-20 11:16:57,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2022-11-20 11:16:57,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2022-11-20 11:16:57,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:16:57,993 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 11:16:57,999 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:16:58,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:16:58 BoogieIcfgContainer [2022-11-20 11:16:58,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:16:58,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:16:58,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:16:58,043 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:16:58,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:56" (3/4) ... [2022-11-20 11:16:58,046 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 11:16:58,175 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:16:58,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:16:58,182 INFO L158 Benchmark]: Toolchain (without parser) took 3308.55ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 86.5MB in the beginning and 107.7MB in the end (delta: -21.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-20 11:16:58,182 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:16:58,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.98ms. Allocated memory is still 132.1MB. Free memory was 86.5MB in the beginning and 67.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 11:16:58,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.86ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 67.6MB in the beginning and 133.4MB in the end (delta: -65.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-20 11:16:58,184 INFO L158 Benchmark]: Boogie Preprocessor took 76.35ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:16:58,184 INFO L158 Benchmark]: RCFGBuilder took 1268.34ms. Allocated memory is still 163.6MB. Free memory was 131.3MB in the beginning and 86.2MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 11:16:58,185 INFO L158 Benchmark]: TraceAbstraction took 1075.89ms. Allocated memory is still 163.6MB. Free memory was 86.2MB in the beginning and 112.9MB in the end (delta: -26.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:16:58,186 INFO L158 Benchmark]: Witness Printer took 138.07ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 107.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:16:58,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.98ms. Allocated memory is still 132.1MB. Free memory was 86.5MB in the beginning and 67.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.86ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 67.6MB in the beginning and 133.4MB in the end (delta: -65.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.35ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1268.34ms. Allocated memory is still 163.6MB. Free memory was 131.3MB in the beginning and 86.2MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1075.89ms. Allocated memory is still 163.6MB. Free memory was 86.2MB in the beginning and 112.9MB in the end (delta: -26.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 138.07ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 107.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 173]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [L294] int status ; [L295] int irp = __VERIFIER_nondet_int() ; [L296] int pirp ; [L297] int pirp__IoStatus__Status ; [L298] int irp_choice = __VERIFIER_nondet_int() ; [L299] int devobj = __VERIFIER_nondet_int() ; [L300] int __cil_tmp8 ; [L302] KernelMode = 0 [L303] Executive = 0 [L304] DevicePowerState = 1 [L305] s = 0 [L306] UNLOADED = 0 [L307] NP = 0 [L308] DC = 0 [L309] SKIP1 = 0 [L310] SKIP2 = 0 [L311] MPR1 = 0 [L312] MPR3 = 0 [L313] IPC = 0 [L314] pended = 0 [L315] compFptr = 0 [L316] compRegistered = 0 [L317] lowerDriverReturn = 0 [L318] setEventCalled = 0 [L319] customIrp = 0 [L320] myStatus = 0 [L324] status = 0 [L325] pirp = irp [L326] CALL _BLAST_init() [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L326] RET _BLAST_init() [L328] COND TRUE status >= 0 [L329] s = NP [L330] customIrp = 0 [L331] setEventCalled = customIrp [L332] lowerDriverReturn = setEventCalled [L333] compRegistered = lowerDriverReturn [L334] pended = compRegistered [L335] pirp__IoStatus__Status = 0 [L336] myStatus = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L337] COND TRUE irp_choice == 0 [L338] pirp__IoStatus__Status = -1073741637 [L339] myStatus = -1073741637 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L342] CALL stub_driver_init() [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L342] RET stub_driver_init() [L345] COND FALSE !(status < 0) [L349] int tmp_ndt_1; [L350] tmp_ndt_1 = __VERIFIER_nondet_int() [L351] COND FALSE !(tmp_ndt_1 == 0) [L354] int tmp_ndt_2; [L355] tmp_ndt_2 = __VERIFIER_nondet_int() [L356] COND FALSE !(tmp_ndt_2 == 1) [L359] int tmp_ndt_3; [L360] tmp_ndt_3 = __VERIFIER_nondet_int() [L361] COND TRUE tmp_ndt_3 == 3 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L388] CALL KbFilter_PnP(devobj, pirp) [L80] int devExt ; [L81] int irpStack ; [L82] int status ; [L83] int event = __VERIFIER_nondet_int() ; [L84] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L85] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L86] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L87] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L88] int devExt__Started ; [L89] int devExt__Removed ; [L90] int devExt__SurpriseRemoved ; [L91] int Irp__IoStatus__Status ; [L92] int Irp__IoStatus__Information ; [L93] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L94] int irpSp ; [L95] int nextIrpSp ; [L96] int nextIrpSp__Control ; [L97] int irpSp___0 ; [L98] int irpSp__Context ; [L99] int irpSp__Control ; [L100] long __cil_tmp23 ; [L103] status = 0 [L104] devExt = DeviceObject__DeviceExtension [L105] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L106] COND TRUE irpStack__MinorFunction == 0 VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L172] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L173] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] - UnprovableResult [Line: 173]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 245]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 245]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 246]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 246]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 260]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 260]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 261]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 261]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 255 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 626 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 246 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 380 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-11-20 11:16:58,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50258c6b-b0d0-458e-8c16-116f8fa5bc8b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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(OVERFLOW)