./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh --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 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe --- 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-2329fc7 [2022-12-14 05:51:43,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:51:43,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:51:43,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:51:43,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:51:43,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:51:43,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:51:43,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:51:43,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:51:43,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:51:43,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:51:43,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:51:43,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:51:43,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:51:43,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:51:43,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:51:43,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:51:43,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:51:43,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:51:43,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:51:43,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:51:43,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:51:43,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:51:43,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:51:43,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:51:43,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:51:43,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:51:43,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:51:43,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:51:43,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:51:43,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:51:43,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:51:43,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:51:43,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:51:43,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:51:43,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:51:43,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:51:43,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:51:43,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:51:43,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:51:43,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:51:43,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 05:51:43,349 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:51:43,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:51:43,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:51:43,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:51:43,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:51:43,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:51:43,351 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:51:43,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:51:43,355 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:51:43,355 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:51:43,355 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:51:43,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:51:43,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:51:43,356 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:51:43,356 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:51:43,356 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:51:43,356 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:51:43,356 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:51:43,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:51:43,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:51:43,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:51:43,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:51:43,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:51:43,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:51:43,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:51:43,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:51:43,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:51:43,359 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:51:43,359 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:51:43,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:51:43,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:51:43,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:51:43,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:51:43,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:51:43,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:51:43,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:51:43,360 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:51:43,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:51:43,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:51:43,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:51:43,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:51:43,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:51:43,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:51:43,361 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_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe [2022-12-14 05:51:43,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:51:43,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:51:43,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:51:43,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:51:43,577 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:51:43,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2022-12-14 05:51:46,065 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:51:46,304 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:51:46,304 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2022-12-14 05:51:46,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/data/d0486908a/2e4d964e65f24b6aac2057b5cfa3cce0/FLAG19dbea826 [2022-12-14 05:51:46,623 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/data/d0486908a/2e4d964e65f24b6aac2057b5cfa3cce0 [2022-12-14 05:51:46,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:51:46,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:51:46,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:51:46,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:51:46,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:51:46,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:46,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568f5211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46, skipping insertion in model container [2022-12-14 05:51:46,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:46,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:51:46,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:51:46,778 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_64ed0a06-c016-4f2a-9df6-32afc527a901/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2022-12-14 05:51:46,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:51:46,899 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:51:46,909 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_64ed0a06-c016-4f2a-9df6-32afc527a901/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2022-12-14 05:51:46,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:51:46,977 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:51:46,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46 WrapperNode [2022-12-14 05:51:46,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:51:46,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:51:46,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:51:46,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:51:46,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:46,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,033 INFO L138 Inliner]: procedures = 41, calls = 107, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1603 [2022-12-14 05:51:47,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:51:47,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:51:47,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:51:47,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:51:47,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:51:47,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:51:47,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:51:47,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:51:47,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (1/1) ... [2022-12-14 05:51:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:51:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:51:47,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:51:47,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:51:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2022-12-14 05:51:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2022-12-14 05:51:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:51:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2022-12-14 05:51:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2022-12-14 05:51:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-12-14 05:51:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-12-14 05:51:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2022-12-14 05:51:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2022-12-14 05:51:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-12-14 05:51:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-12-14 05:51:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-12-14 05:51:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-12-14 05:51:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2022-12-14 05:51:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2022-12-14 05:51:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-12-14 05:51:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-12-14 05:51:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2022-12-14 05:51:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2022-12-14 05:51:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-12-14 05:51:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-12-14 05:51:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:51:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-12-14 05:51:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-12-14 05:51:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2022-12-14 05:51:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2022-12-14 05:51:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:51:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:51:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2022-12-14 05:51:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2022-12-14 05:51:47,320 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:51:47,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:51:47,416 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,457 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-12-14 05:51:47,457 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-12-14 05:51:47,505 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-12-14 05:51:47,522 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-12-14 05:51:47,529 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,530 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,533 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,543 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,553 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,555 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:47,558 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:51:48,057 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-12-14 05:51:48,058 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-12-14 05:51:48,059 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-12-14 05:51:48,059 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2022-12-14 05:51:48,059 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2022-12-14 05:51:48,087 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:51:48,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:51:48,250 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 05:51:48,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:48 BoogieIcfgContainer [2022-12-14 05:51:48,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:51:48,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:51:48,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:51:48,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:51:48,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:51:46" (1/3) ... [2022-12-14 05:51:48,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2e5a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:48, skipping insertion in model container [2022-12-14 05:51:48,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:46" (2/3) ... [2022-12-14 05:51:48,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2e5a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:48, skipping insertion in model container [2022-12-14 05:51:48,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:48" (3/3) ... [2022-12-14 05:51:48,258 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.c [2022-12-14 05:51:48,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:51:48,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-12-14 05:51:48,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:51:48,318 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;@6249d1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:51:48,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-12-14 05:51:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 403 states, 277 states have (on average 1.5667870036101084) internal successors, (434), 320 states have internal predecessors, (434), 86 states have call successors, (86), 13 states have call predecessors, (86), 13 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2022-12-14 05:51:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 05:51:48,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:51:48,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:51:48,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-12-14 05:51:48,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:51:48,333 INFO L85 PathProgramCache]: Analyzing trace with hash 627314466, now seen corresponding path program 1 times [2022-12-14 05:51:48,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:51:48,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053661103] [2022-12-14 05:51:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:51:48,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:51:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:51:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:51:48,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:51:48,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053661103] [2022-12-14 05:51:48,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053661103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:51:48,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:51:48,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:51:48,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489675161] [2022-12-14 05:51:48,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:51:48,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:51:48,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:51:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:51:48,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:51:48,583 INFO L87 Difference]: Start difference. First operand has 403 states, 277 states have (on average 1.5667870036101084) internal successors, (434), 320 states have internal predecessors, (434), 86 states have call successors, (86), 13 states have call predecessors, (86), 13 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) 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) [2022-12-14 05:51:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:51:48,859 INFO L93 Difference]: Finished difference Result 727 states and 1125 transitions. [2022-12-14 05:51:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:51:48,862 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 [2022-12-14 05:51:48,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:51:48,872 INFO L225 Difference]: With dead ends: 727 [2022-12-14 05:51:48,872 INFO L226 Difference]: Without dead ends: 224 [2022-12-14 05:51:48,878 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 [2022-12-14 05:51:48,881 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 58 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:51:48,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1586 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:51:48,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-12-14 05:51:48,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2022-12-14 05:51:48,921 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) [2022-12-14 05:51:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 269 transitions. [2022-12-14 05:51:48,924 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 269 transitions. Word has length 9 [2022-12-14 05:51:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:51:48,925 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 269 transitions. [2022-12-14 05:51:48,925 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) [2022-12-14 05:51:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 269 transitions. [2022-12-14 05:51:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 05:51:48,926 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:51:48,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:51:48,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:51:48,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-12-14 05:51:48,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:51:48,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2028086826, now seen corresponding path program 1 times [2022-12-14 05:51:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:51:48,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291065685] [2022-12-14 05:51:48,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:51:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:51:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:51:48,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:51:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:51:48,972 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:51:48,972 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:51:48,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2022-12-14 05:51:48,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-12-14 05:51:48,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-12-14 05:51:48,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-12-14 05:51:48,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-12-14 05:51:48,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-12-14 05:51:48,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-12-14 05:51:48,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-12-14 05:51:48,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-12-14 05:51:48,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-12-14 05:51:48,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-12-14 05:51:48,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-12-14 05:51:48,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2022-12-14 05:51:48,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2022-12-14 05:51:48,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-12-14 05:51:48,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-12-14 05:51:48,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-12-14 05:51:48,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-12-14 05:51:48,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-12-14 05:51:48,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-12-14 05:51:48,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-12-14 05:51:48,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-12-14 05:51:48,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-12-14 05:51:48,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-12-14 05:51:48,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-12-14 05:51:48,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-12-14 05:51:48,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:51:48,983 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:51:48,986 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:51:49,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:51:49 BoogieIcfgContainer [2022-12-14 05:51:49,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:51:49,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:51:49,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:51:49,014 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:51:49,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:48" (3/4) ... [2022-12-14 05:51:49,015 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 05:51:49,057 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:51:49,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:51:49,058 INFO L158 Benchmark]: Toolchain (without parser) took 2431.96ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 128.7MB in the beginning and 68.8MB in the end (delta: 59.9MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,058 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory was 128.8MB in the beginning and 128.6MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:51:49,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.41ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 97.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.01ms. Allocated memory is still 163.6MB. Free memory was 97.2MB in the beginning and 90.3MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,059 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 85.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,059 INFO L158 Benchmark]: RCFGBuilder took 1171.42ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 85.0MB in the beginning and 131.7MB in the end (delta: -46.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,059 INFO L158 Benchmark]: TraceAbstraction took 759.37ms. Allocated memory is still 199.2MB. Free memory was 131.7MB in the beginning and 73.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,059 INFO L158 Benchmark]: Witness Printer took 43.95ms. Allocated memory is still 199.2MB. Free memory was 73.0MB in the beginning and 68.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:51:49,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory was 128.8MB in the beginning and 128.6MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.41ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 97.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.01ms. Allocated memory is still 163.6MB. Free memory was 97.2MB in the beginning and 90.3MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 85.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1171.42ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 85.0MB in the beginning and 131.7MB in the end (delta: -46.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * TraceAbstraction took 759.37ms. Allocated memory is still 199.2MB. Free memory was 131.7MB in the beginning and 73.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 43.95ms. Allocated memory is still 199.2MB. Free memory was 73.0MB in the beginning and 68.8MB 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)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=0, 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)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=0, 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)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=0, 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, 403 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 1586 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1040 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 546 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=403occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s 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! [2022-12-14 05:51:49,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed0a06-c016-4f2a-9df6-32afc527a901/bin/utaipan-gh47qXpMRh/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)