./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- 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-38b53e6 [2022-11-25 23:24:34,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:24:34,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:24:34,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:24:34,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:24:34,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:24:34,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:24:34,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:24:34,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:24:34,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:24:34,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:24:34,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:24:34,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:24:34,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:24:34,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:24:34,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:24:34,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:24:34,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:24:34,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:24:34,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:24:34,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:24:34,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:24:34,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:24:34,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:24:34,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:24:34,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:24:34,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:24:34,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:24:34,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:24:34,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:24:34,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:24:34,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:24:34,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:24:34,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:24:34,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:24:34,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:24:34,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:24:34,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:24:34,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:24:34,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:24:34,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:24:34,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:24:34,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:24:34,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:24:34,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:24:34,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:24:34,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:24:34,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:24:34,889 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:24:34,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:24:34,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:24:34,889 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:24:34,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:24:34,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:24:34,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:24:34,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:24:34,891 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:24:34,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:24:34,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:24:34,892 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:24:34,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:24:34,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:24:34,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:24:34,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:24:34,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:24:34,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:24:34,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:24:34,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:24:34,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:24:34,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:24:34,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:24:34,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:24:34,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:24:34,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:24:34,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:24:34,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:24:34,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:34,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:24:34,896 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:24:34,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:24:34,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:24:34,897 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:24:34,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:24:34,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:24:34,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:24:34,898 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_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2022-11-25 23:24:35,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:24:35,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:24:35,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:24:35,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:24:35,233 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:24:35,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2022-11-25 23:24:38,242 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:24:38,550 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:24:38,558 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2022-11-25 23:24:38,585 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/data/df366b1cd/9dad750210784f8ebc20a8765f0c2bb6/FLAG445191f75 [2022-11-25 23:24:38,608 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/data/df366b1cd/9dad750210784f8ebc20a8765f0c2bb6 [2022-11-25 23:24:38,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:24:38,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:24:38,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:38,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:24:38,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:24:38,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:38" (1/1) ... [2022-11-25 23:24:38,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca596f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:38, skipping insertion in model container [2022-11-25 23:24:38,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:38" (1/1) ... [2022-11-25 23:24:38,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:24:38,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:24:38,897 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_9b066f21-8b61-4fed-99a2-4ff937ad9b66/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2022-11-25 23:24:39,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:39,188 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:24:39,202 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_9b066f21-8b61-4fed-99a2-4ff937ad9b66/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2022-11-25 23:24:39,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:39,300 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:24:39,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39 WrapperNode [2022-11-25 23:24:39,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:39,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:39,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:24:39,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:24:39,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,405 INFO L138 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1605 [2022-11-25 23:24:39,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:39,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:24:39,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:24:39,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:24:39,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:24:39,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:24:39,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:24:39,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:24:39,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (1/1) ... [2022-11-25 23:24:39,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:39,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:24:39,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:24:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2022-11-25 23:24:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2022-11-25 23:24:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:24:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2022-11-25 23:24:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2022-11-25 23:24:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-11-25 23:24:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-11-25 23:24:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2022-11-25 23:24:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2022-11-25 23:24:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-11-25 23:24:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-11-25 23:24:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-11-25 23:24:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-11-25 23:24:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2022-11-25 23:24:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2022-11-25 23:24:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-11-25 23:24:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-11-25 23:24:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2022-11-25 23:24:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2022-11-25 23:24:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-11-25 23:24:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-11-25 23:24:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:24:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-11-25 23:24:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-11-25 23:24:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2022-11-25 23:24:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2022-11-25 23:24:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:24:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:24:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2022-11-25 23:24:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2022-11-25 23:24:39,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:24:39,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:24:40,107 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-25 23:24:40,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-25 23:24:40,274 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-11-25 23:24:40,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-11-25 23:24:40,317 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,329 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,333 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,353 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,368 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,383 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:40,387 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:24:41,103 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2022-11-25 23:24:41,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2022-11-25 23:24:41,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2022-11-25 23:24:41,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2022-11-25 23:24:41,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2022-11-25 23:24:41,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-11-25 23:24:41,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-11-25 23:24:41,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2022-11-25 23:24:41,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2022-11-25 23:24:41,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-11-25 23:24:41,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-11-25 23:24:41,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-11-25 23:24:41,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-11-25 23:24:41,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2022-11-25 23:24:41,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2022-11-25 23:24:41,161 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:24:41,580 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:24:41,580 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:24:41,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:41 BoogieIcfgContainer [2022-11-25 23:24:41,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:24:41,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:24:41,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:24:41,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:24:41,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:24:38" (1/3) ... [2022-11-25 23:24:41,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e93e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:41, skipping insertion in model container [2022-11-25 23:24:41,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:39" (2/3) ... [2022-11-25 23:24:41,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e93e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:41, skipping insertion in model container [2022-11-25 23:24:41,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:41" (3/3) ... [2022-11-25 23:24:41,598 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2022-11-25 23:24:41,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:24:41,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-25 23:24:41,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:24:41,724 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=FINITE_AUTOMATA, 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;@290606d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:24:41,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-25 23:24:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 278 states have (on average 1.5683453237410072) internal successors, (436), 322 states have internal predecessors, (436), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) [2022-11-25 23:24:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 23:24:41,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:41,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:41,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-25 23:24:41,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:41,754 INFO L85 PathProgramCache]: Analyzing trace with hash -513273213, now seen corresponding path program 1 times [2022-11-25 23:24:41,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:41,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894346031] [2022-11-25 23:24:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:24:42,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:42,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894346031] [2022-11-25 23:24:42,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894346031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:42,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:42,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:42,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064583620] [2022-11-25 23:24:42,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:42,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:24:42,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:42,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:24:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:24:42,149 INFO L87 Difference]: Start difference. First operand has 405 states, 278 states have (on average 1.5683453237410072) internal successors, (436), 322 states have internal predecessors, (436), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-25 23:24:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:42,571 INFO L93 Difference]: Finished difference Result 733 states and 1137 transitions. [2022-11-25 23:24:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:24:42,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-25 23:24:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:42,591 INFO L225 Difference]: With dead ends: 733 [2022-11-25 23:24:42,593 INFO L226 Difference]: Without dead ends: 224 [2022-11-25 23:24:42,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:24:42,610 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 60 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:42,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1602 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:24:42,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-11-25 23:24:42,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2022-11-25 23:24:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 197 states have internal predecessors, (223), 29 states have call successors, (29), 10 states have call predecessors, (29), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-25 23:24:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 269 transitions. [2022-11-25 23:24:42,669 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 269 transitions. Word has length 9 [2022-11-25 23:24:42,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:42,670 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 269 transitions. [2022-11-25 23:24:42,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-25 23:24:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 269 transitions. [2022-11-25 23:24:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:24:42,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:42,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:42,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:24:42,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-25 23:24:42,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:42,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1268400789, now seen corresponding path program 1 times [2022-11-25 23:24:42,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:42,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173833026] [2022-11-25 23:24:42,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:24:42,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:24:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:24:42,788 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:24:42,788 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:24:42,790 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2022-11-25 23:24:42,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-11-25 23:24:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-11-25 23:24:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-11-25 23:24:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-11-25 23:24:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-11-25 23:24:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-11-25 23:24:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-11-25 23:24:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-11-25 23:24:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-11-25 23:24:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-11-25 23:24:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-11-25 23:24:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2022-11-25 23:24:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2022-11-25 23:24:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-11-25 23:24:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-11-25 23:24:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-11-25 23:24:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-11-25 23:24:42,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-11-25 23:24:42,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-11-25 23:24:42,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-11-25 23:24:42,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-11-25 23:24:42,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-11-25 23:24:42,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-11-25 23:24:42,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-11-25 23:24:42,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-11-25 23:24:42,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:24:42,802 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:24:42,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:24:42,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:24:42 BoogieIcfgContainer [2022-11-25 23:24:42,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:24:42,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:24:42,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:24:42,838 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:24:42,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:41" (3/4) ... [2022-11-25 23:24:42,840 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:24:42,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:24:42,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:24:42,918 INFO L158 Benchmark]: Toolchain (without parser) took 4302.73ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 124.6MB in the beginning and 106.7MB in the end (delta: 17.9MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-25 23:24:42,918 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:24:42,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.93ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 112.7MB in the end (delta: 11.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 23:24:42,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.07ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 105.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 23:24:42,919 INFO L158 Benchmark]: Boogie Preprocessor took 78.04ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 100.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 23:24:42,920 INFO L158 Benchmark]: RCFGBuilder took 2100.30ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 100.9MB in the beginning and 97.2MB in the end (delta: 3.6MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-25 23:24:42,920 INFO L158 Benchmark]: TraceAbstraction took 1248.41ms. Allocated memory is still 192.9MB. Free memory was 96.2MB in the beginning and 110.9MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:24:42,920 INFO L158 Benchmark]: Witness Printer took 79.46ms. Allocated memory is still 192.9MB. Free memory was 110.9MB in the beginning and 106.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:24:42,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.93ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 112.7MB in the end (delta: 11.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.07ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 105.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.04ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 100.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2100.30ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 100.9MB in the beginning and 97.2MB in the end (delta: 3.6MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1248.41ms. Allocated memory is still 192.9MB. Free memory was 96.2MB in the beginning and 110.9MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.46ms. Allocated memory is still 192.9MB. Free memory was 110.9MB in the beginning and 106.7MB in the end (delta: 4.2MB). 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: 1696]: integer overflow possible integer overflow possible We found a FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L1755] CALL _BLAST_init() [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 [L1755] RET _BLAST_init() [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 [L1772] CALL stub_driver_init() [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr [L1772] RET stub_driver_init() [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND FALSE !(tmp_ndt_1 == 2) [L1784] int tmp_ndt_2; [L1785] tmp_ndt_2 = __VERIFIER_nondet_int() [L1786] COND FALSE !(tmp_ndt_2 == 3) [L1789] int tmp_ndt_3; [L1790] tmp_ndt_3 = __VERIFIER_nondet_int() [L1791] COND TRUE tmp_ndt_3 == 4 [L1808] CALL CdAudioPower(devobj, pirp) [L1682] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L1683] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L1684] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1685] int tmp ; VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1688] COND TRUE s == NP [L1689] s = SKIP1 VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1696] Irp__CurrentLocation ++ VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__CurrentLocation ++=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] - UnprovableResult [Line: 381]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 381]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1188]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1188]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1190]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1190]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1197]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1197]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1696]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1563]: 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 14 procedures, 405 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 1602 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1050 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 552 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 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! [2022-11-25 23:24:42,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b066f21-8b61-4fed-99a2-4ff937ad9b66/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)