./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 ......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:21:30,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:21:30,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:21:30,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:21:30,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:21:30,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:21:30,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:21:30,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:21:30,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:21:30,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:21:30,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:21:30,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:21:30,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:21:30,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:21:30,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:21:30,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:21:30,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:21:30,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:21:30,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:21:30,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:21:30,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:21:30,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:21:30,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:21:30,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:21:30,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:21:30,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:21:30,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:21:30,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:21:30,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:21:30,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:21:30,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:21:30,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:21:30,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:21:30,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:21:30,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:21:30,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:21:30,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:21:30,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:21:30,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:21:30,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:21:30,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:21:30,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 10:21:30,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:21:30,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:21:30,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:21:30,294 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:21:30,294 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:21:30,294 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:21:30,294 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:21:30,294 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:21:30,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:21:30,295 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:21:30,295 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:21:30,295 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:21:30,295 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:21:30,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:21:30,295 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:21:30,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:21:30,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:21:30,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:21:30,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:21:30,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:21:30,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:21:30,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:21:30,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:21:30,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:21:30,298 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 10:21:30,299 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan 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 ! call(__VERIFIER_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 [2019-12-07 10:21:30,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:21:30,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:21:30,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:21:30,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:21:30,408 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:21:30,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:21:30,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/8ab9ac9af/a2fa6d73940e48469ccecada933e423e/FLAGc64192171 [2019-12-07 10:21:30,992 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:21:30,993 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:21:31,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/8ab9ac9af/a2fa6d73940e48469ccecada933e423e/FLAGc64192171 [2019-12-07 10:21:31,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/8ab9ac9af/a2fa6d73940e48469ccecada933e423e [2019-12-07 10:21:31,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:21:31,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:21:31,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:21:31,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:21:31,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:21:31,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:21:31" (1/1) ... [2019-12-07 10:21:31,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414b5e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:31, skipping insertion in model container [2019-12-07 10:21:31,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:21:31" (1/1) ... [2019-12-07 10:21:31,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:21:31,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:21:31,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:21:31,934 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:21:31,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cb6d445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:31, skipping insertion in model container [2019-12-07 10:21:31,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:21:31,935 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:21:31,936 INFO L168 Benchmark]: Toolchain (without parser) took 452.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:31,937 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:21:31,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:31,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 450.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1742]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:21:33,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:21:33,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:21:33,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:21:33,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:21:33,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:21:33,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:21:33,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:21:33,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:21:33,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:21:33,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:21:33,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:21:33,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:21:33,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:21:33,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:21:33,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:21:33,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:21:33,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:21:33,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:21:33,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:21:33,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:21:33,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:21:33,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:21:33,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:21:33,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:21:33,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:21:33,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:21:33,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:21:33,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:21:33,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:21:33,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:21:33,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:21:33,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:21:33,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:21:33,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:21:33,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:21:33,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:21:33,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:21:33,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:21:33,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:21:33,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:21:33,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 10:21:33,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:21:33,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:21:33,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:21:33,137 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:21:33,137 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:21:33,137 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:21:33,137 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:21:33,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:21:33,137 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:21:33,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:21:33,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:21:33,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:21:33,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:21:33,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:21:33,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:21:33,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:21:33,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:21:33,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:21:33,139 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:21:33,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:21:33,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:21:33,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:21:33,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:21:33,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:21:33,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:21:33,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:21:33,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:21:33,141 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan 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 ! call(__VERIFIER_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 [2019-12-07 10:21:33,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:21:33,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:21:33,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:21:33,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:21:33,310 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:21:33,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:21:33,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/5936c1462/c4a49ba991694d8e952e0f5352f9d4a8/FLAG68dcf11ea [2019-12-07 10:21:33,766 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:21:33,766 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:21:33,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/5936c1462/c4a49ba991694d8e952e0f5352f9d4a8/FLAG68dcf11ea [2019-12-07 10:21:33,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/data/5936c1462/c4a49ba991694d8e952e0f5352f9d4a8 [2019-12-07 10:21:33,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:21:33,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:21:33,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:21:33,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:21:33,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:21:33,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:21:33" (1/1) ... [2019-12-07 10:21:33,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf3dd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:33, skipping insertion in model container [2019-12-07 10:21:33,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:21:33" (1/1) ... [2019-12-07 10:21:33,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:21:33,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:21:34,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:21:34,247 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:21:34,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:21:34,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:21:34,350 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:21:34,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:21:34,471 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:21:34,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34 WrapperNode [2019-12-07 10:21:34,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:21:34,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:21:34,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:21:34,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:21:34,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:21:34,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:21:34,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:21:34,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:21:34,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... [2019-12-07 10:21:34,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:21:34,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:21:34,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:21:34,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:21:34,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:21:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 10:21:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:21:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 10:21:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 10:21:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 10:21:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:21:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:21:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-12-07 10:21:38,231 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:21:38,231 INFO L287 CfgBuilder]: Removed 159 assume(true) statements. [2019-12-07 10:21:38,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:21:38 BoogieIcfgContainer [2019-12-07 10:21:38,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:21:38,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:21:38,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:21:38,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:21:38,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:21:33" (1/3) ... [2019-12-07 10:21:38,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796624ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:21:38, skipping insertion in model container [2019-12-07 10:21:38,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:21:34" (2/3) ... [2019-12-07 10:21:38,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796624ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:21:38, skipping insertion in model container [2019-12-07 10:21:38,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:21:38" (3/3) ... [2019-12-07 10:21:38,238 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:21:38,246 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:21:38,252 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:21:38,259 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:21:38,278 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:21:38,278 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:21:38,278 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:21:38,279 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:21:38,279 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:21:38,279 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:21:38,279 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:21:38,279 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:21:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-12-07 10:21:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:21:38,296 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:21:38,297 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:21:38,297 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:21:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:21:38,301 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-12-07 10:21:38,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:21:38,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509845734] [2019-12-07 10:21:38,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f010b6e-a27a-47f0-a06e-f5cd1a153ee9/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:21:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:41,888 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 10:21:41,889 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:21:42,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:21:42,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:21:42,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:21:42,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:21:42,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:21:42,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:21:42,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:21:42,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:21:42,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:21:42,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:21:42,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:21:42 BoogieIcfgContainer [2019-12-07 10:21:42,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:21:42,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:21:42,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:21:42,165 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:21:42,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:21:38" (3/4) ... [2019-12-07 10:21:42,169 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:21:42,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:21:42,170 INFO L168 Benchmark]: Toolchain (without parser) took 8378.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:42,171 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:21:42,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:42,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:42,172 INFO L168 Benchmark]: Boogie Preprocessor took 65.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:42,173 INFO L168 Benchmark]: RCFGBuilder took 3617.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.6 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:42,173 INFO L168 Benchmark]: TraceAbstraction took 3931.64 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:42,173 INFO L168 Benchmark]: Witness Printer took 3.62 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:21:42,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 680.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3617.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.6 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3931.64 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.62 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2298]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1801. Possible FailurePath: [L1799-L1800] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1801-L1802] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1803-L1805] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1806] struct pci_device_id const __mod_pci_device_table ; [L2206-L2213] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2241] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={796917746:0}, driver_ni6527_pci_driver={276824075:0}, LDV_IN_INTERRUPT=0, ni6527_boards={528482290:0}, ni6527_pci_table={-545259534:0}] [L2244] struct comedi_device *var_group1 ; [L2245] struct comedi_devconfig *var_group2 ; [L2246] int var_ni6527_interrupt_3_p0 ; [L2247] void *var_ni6527_interrupt_3_p1 ; [L2248] int tmp ; [L2249] int tmp___0 ; [L2250] int tmp___1 ; [L2252] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={796917746:0}, driver_ni6527_pci_driver={276824075:0}, LDV_IN_INTERRUPT=1, ni6527_boards={528482290:0}, ni6527_pci_table={-545259534:0}] [L2216] int retval ; [L2217] int tmp ; [L2351] return __VERIFIER_nondet_int(); [L2219] retval = comedi_driver_register(& driver_ni6527) [L2220] COND TRUE retval < 0 [L2221] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={796917746:0}, driver_ni6527_pci_driver={276824075:0}, LDV_IN_INTERRUPT=1, ni6527_boards={528482290:0}, ni6527_pci_table={-545259534:0}] [L2255] tmp = driver_ni6527_init_module() [L2256] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={796917746:0}, driver_ni6527_pci_driver={276824075:0}, LDV_IN_INTERRUPT=1, ni6527_boards={528482290:0}, ni6527_pci_table={-545259534:0}] [L2312] int tmp ; [L2313] int tmp___0 ; [L2314] int tmp___1 ; [L2390] return __VERIFIER_nondet_int(); [L2316] tmp = ldv_module_license() [L2317] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={796917746:0}, driver_ni6527_pci_driver={276824075:0}, LDV_IN_INTERRUPT=1, ni6527_boards={528482290:0}, ni6527_pci_table={-545259534:0}] [L2298] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={796917746:0}, driver_ni6527_pci_driver={276824075:0}, LDV_IN_INTERRUPT=1, ni6527_boards={528482290:0}, ni6527_pci_table={-545259534:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...