./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/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 32bit --witnessprinter.graph.data.programhash ae64ae88f56c84d0642d94fe4dc0fcc5f100877b ...................................................................................................................................... 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_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/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 32bit --witnessprinter.graph.data.programhash ae64ae88f56c84d0642d94fe4dc0fcc5f100877b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:15:28,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:15:28,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:15:28,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:15:28,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:15:28,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:15:28,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:15:28,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:15:28,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:15:28,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:15:28,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:15:28,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:15:28,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:15:28,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:15:28,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:15:28,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:15:28,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:15:28,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:15:28,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:15:28,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:15:28,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:15:28,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:15:28,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:15:28,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:15:28,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:15:28,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:15:28,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:15:28,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:15:28,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:15:28,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:15:28,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:15:28,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:15:28,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:15:28,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:15:28,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:15:28,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:15:28,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:15:28,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:15:28,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:15:28,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:15:28,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:15:28,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:15:28,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:15:28,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:15:28,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:15:28,418 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:15:28,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:15:28,418 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:15:28,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:15:28,418 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:15:28,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:15:28,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:15:28,419 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:15:28,419 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:15:28,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:15:28,419 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:15:28,420 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:15:28,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:15:28,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:15:28,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:15:28,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:15:28,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:15:28,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:15:28,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:15:28,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:15:28,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:15:28,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:15:28,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:15:28,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:15:28,423 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:15:28,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:15:28,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:15:28,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:15:28,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:15:28,423 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_95ead8f5-3f0f-4081-bc01-de0fadf1da79/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae64ae88f56c84d0642d94fe4dc0fcc5f100877b [2019-12-07 19:15:28,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:15:28,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:15:28,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:15:28,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:15:28,541 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:15:28,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 19:15:28,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/6f69bb79f/12d6901653bd41498609466bbd838239/FLAGe0f3a18a8 [2019-12-07 19:15:29,027 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:15:29,027 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 19:15:29,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/6f69bb79f/12d6901653bd41498609466bbd838239/FLAGe0f3a18a8 [2019-12-07 19:15:29,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/6f69bb79f/12d6901653bd41498609466bbd838239 [2019-12-07 19:15:29,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:15:29,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:15:29,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:15:29,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:15:29,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:15:29,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:15:29" (1/1) ... [2019-12-07 19:15:29,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adf1165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:29, skipping insertion in model container [2019-12-07 19:15:29,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:15:29" (1/1) ... [2019-12-07 19:15:29,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:15:29,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:15:29,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:15:30,013 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 19:15:30,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7dcd752b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:30, skipping insertion in model container [2019-12-07 19:15:30,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:15:30,014 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:15:30,016 INFO L168 Benchmark]: Toolchain (without parser) took 959.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:15:30,016 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:15:30,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:15:30,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 957.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2971]: 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 19:15:31,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:15:31,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:15:31,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:15:31,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:15:31,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:15:31,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:15:31,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:15:31,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:15:31,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:15:31,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:15:31,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:15:31,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:15:31,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:15:31,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:15:31,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:15:31,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:15:31,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:15:31,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:15:31,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:15:31,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:15:31,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:15:31,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:15:31,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:15:31,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:15:31,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:15:31,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:15:31,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:15:31,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:15:31,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:15:31,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:15:31,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:15:31,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:15:31,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:15:31,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:15:31,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:15:31,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:15:31,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:15:31,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:15:31,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:15:31,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:15:31,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:15:31,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:15:31,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:15:31,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:15:31,206 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:15:31,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:15:31,206 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:15:31,206 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:15:31,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:15:31,206 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:15:31,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:15:31,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:15:31,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:15:31,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:15:31,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:15:31,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:15:31,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:15:31,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:15:31,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:15:31,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:15:31,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:15:31,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:15:31,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:15:31,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:15:31,210 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_95ead8f5-3f0f-4081-bc01-de0fadf1da79/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae64ae88f56c84d0642d94fe4dc0fcc5f100877b [2019-12-07 19:15:31,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:15:31,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:15:31,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:15:31,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:15:31,403 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:15:31,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 19:15:31,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/74e6f2cac/00908789544c4f96a0051d889fe57e15/FLAGc5279db32 [2019-12-07 19:15:31,950 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:15:31,951 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2019-12-07 19:15:31,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/74e6f2cac/00908789544c4f96a0051d889fe57e15/FLAGc5279db32 [2019-12-07 19:15:32,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/data/74e6f2cac/00908789544c4f96a0051d889fe57e15 [2019-12-07 19:15:32,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:15:32,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:15:32,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:15:32,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:15:32,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:15:32,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:15:32" (1/1) ... [2019-12-07 19:15:32,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db7b7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:32, skipping insertion in model container [2019-12-07 19:15:32,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:15:32" (1/1) ... [2019-12-07 19:15:32,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:15:32,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:15:33,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:15:33,181 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:15:33,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:15:33,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:15:33,336 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:15:33,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:15:33,771 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:15:33,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33 WrapperNode [2019-12-07 19:15:33,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:15:33,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:15:33,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:15:33,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:15:33,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:15:33,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:15:33,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:15:33,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:15:33,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... [2019-12-07 19:15:33,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:15:33,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:15:33,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:15:33,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:15:33,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/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 19:15:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:15:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:15:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 19:15:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 19:15:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 19:15:41,159 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:15:41,159 INFO L287 CfgBuilder]: Removed 503 assume(true) statements. [2019-12-07 19:15:41,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:15:41 BoogieIcfgContainer [2019-12-07 19:15:41,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:15:41,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:15:41,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:15:41,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:15:41,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:15:32" (1/3) ... [2019-12-07 19:15:41,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4555aadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:15:41, skipping insertion in model container [2019-12-07 19:15:41,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:15:33" (2/3) ... [2019-12-07 19:15:41,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4555aadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:15:41, skipping insertion in model container [2019-12-07 19:15:41,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:15:41" (3/3) ... [2019-12-07 19:15:41,165 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2019-12-07 19:15:41,171 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:15:41,176 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-12-07 19:15:41,184 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-07 19:15:41,206 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:15:41,206 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:15:41,206 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:15:41,206 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:15:41,206 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:15:41,206 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:15:41,206 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:15:41,207 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:15:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states. [2019-12-07 19:15:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:15:41,227 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:15:41,228 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:15:41,228 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:15:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:15:41,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1448150405, now seen corresponding path program 1 times [2019-12-07 19:15:41,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:15:41,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185099597] [2019-12-07 19:15:41,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/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 19:15:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:15:41,679 INFO L264 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:15:41,685 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:15:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:15:41,698 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:15:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:15:41,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185099597] [2019-12-07 19:15:41,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:15:41,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:15:41,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319205839] [2019-12-07 19:15:41,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:15:41,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:15:41,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:15:41,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:15:41,717 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 2 states. [2019-12-07 19:15:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:15:41,758 INFO L93 Difference]: Finished difference Result 759 states and 977 transitions. [2019-12-07 19:15:41,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:15:41,759 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 19:15:41,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:15:41,772 INFO L225 Difference]: With dead ends: 759 [2019-12-07 19:15:41,772 INFO L226 Difference]: Without dead ends: 365 [2019-12-07 19:15:41,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:15:41,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-12-07 19:15:41,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2019-12-07 19:15:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-12-07 19:15:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 460 transitions. [2019-12-07 19:15:41,826 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 460 transitions. Word has length 12 [2019-12-07 19:15:41,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:15:41,826 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 460 transitions. [2019-12-07 19:15:41,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:15:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 460 transitions. [2019-12-07 19:15:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:15:41,826 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:15:41,826 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:15:42,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:15:42,028 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:15:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:15:42,028 INFO L82 PathProgramCache]: Analyzing trace with hash 806641781, now seen corresponding path program 1 times [2019-12-07 19:15:42,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:15:42,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821329087] [2019-12-07 19:15:42,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 19:15:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:15:42,449 INFO L264 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:15:42,451 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:15:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:15:42,463 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:15:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:15:42,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821329087] [2019-12-07 19:15:42,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:15:42,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:15:42,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832391365] [2019-12-07 19:15:42,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:15:42,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:15:42,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:15:42,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:15:42,477 INFO L87 Difference]: Start difference. First operand 365 states and 460 transitions. Second operand 4 states. [2019-12-07 19:15:42,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:15:42,949 INFO L93 Difference]: Finished difference Result 1088 states and 1374 transitions. [2019-12-07 19:15:42,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:15:42,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 19:15:42,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:15:42,956 INFO L225 Difference]: With dead ends: 1088 [2019-12-07 19:15:42,956 INFO L226 Difference]: Without dead ends: 728 [2019-12-07 19:15:42,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:15:42,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2019-12-07 19:15:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 369. [2019-12-07 19:15:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-12-07 19:15:42,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 464 transitions. [2019-12-07 19:15:42,981 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 464 transitions. Word has length 12 [2019-12-07 19:15:42,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:15:42,981 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 464 transitions. [2019-12-07 19:15:42,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:15:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 464 transitions. [2019-12-07 19:15:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 19:15:42,982 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:15:42,982 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:15:43,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:15:43,184 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:15:43,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:15:43,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1218920273, now seen corresponding path program 1 times [2019-12-07 19:15:43,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:15:43,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648436174] [2019-12-07 19:15:43,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 19:15:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:15:43,553 INFO L264 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:15:43,554 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:15:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:43,575 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:15:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:43,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648436174] [2019-12-07 19:15:43,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [793093369] [2019-12-07 19:15:43,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:15:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:15:44,119 INFO L264 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:15:44,120 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:15:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:44,122 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:15:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:44,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262720606] [2019-12-07 19:15:44,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 19:15:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:15:44,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:15:44,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:15:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:44,417 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:15:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:44,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 19:15:44,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2019-12-07 19:15:44,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250896450] [2019-12-07 19:15:44,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:15:44,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:15:44,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:15:44,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:15:44,420 INFO L87 Difference]: Start difference. First operand 369 states and 464 transitions. Second operand 8 states. [2019-12-07 19:15:45,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:15:45,145 INFO L93 Difference]: Finished difference Result 738 states and 931 transitions. [2019-12-07 19:15:45,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 19:15:45,147 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-12-07 19:15:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:15:45,149 INFO L225 Difference]: With dead ends: 738 [2019-12-07 19:15:45,149 INFO L226 Difference]: Without dead ends: 377 [2019-12-07 19:15:45,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-07 19:15:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-12-07 19:15:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2019-12-07 19:15:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-12-07 19:15:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 471 transitions. [2019-12-07 19:15:45,161 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 471 transitions. Word has length 18 [2019-12-07 19:15:45,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:15:45,161 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 471 transitions. [2019-12-07 19:15:45,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:15:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 471 transitions. [2019-12-07 19:15:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 19:15:45,162 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:15:45,162 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:15:45,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 19:15:45,765 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:15:45,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:15:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1923404377, now seen corresponding path program 2 times [2019-12-07 19:15:45,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:15:45,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694223635] [2019-12-07 19:15:45,768 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 19:15:54,280 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 19:15:54,280 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 19:15:54,397 INFO L264 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:15:54,398 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:15:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:54,440 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:15:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:15:54,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694223635] [2019-12-07 19:15:54,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2067250454] [2019-12-07 19:15:54,610 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:16:50,543 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 19:16:50,543 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 19:16:50,786 INFO L264 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:16:50,788 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:16:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:16:50,805 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:16:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:16:50,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014168407] [2019-12-07 19:16:50,808 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 19:22:23,822 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 19:22:23,822 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 19:22:23,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:22:23,857 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:22:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:22:23,876 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:22:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 19:22:23,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 19:22:23,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 16 [2019-12-07 19:22:23,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529032751] [2019-12-07 19:22:23,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 19:22:23,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:22:23,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 19:22:23,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-12-07 19:22:23,880 INFO L87 Difference]: Start difference. First operand 377 states and 471 transitions. Second operand 16 states. [2019-12-07 19:22:25,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:22:25,769 INFO L93 Difference]: Finished difference Result 746 states and 937 transitions. [2019-12-07 19:22:25,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 19:22:25,769 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2019-12-07 19:22:25,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:22:25,772 INFO L225 Difference]: With dead ends: 746 [2019-12-07 19:22:25,772 INFO L226 Difference]: Without dead ends: 385 [2019-12-07 19:22:25,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 132 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2019-12-07 19:22:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-12-07 19:22:25,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2019-12-07 19:22:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-12-07 19:22:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 479 transitions. [2019-12-07 19:22:25,785 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 479 transitions. Word has length 26 [2019-12-07 19:22:25,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:22:25,785 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 479 transitions. [2019-12-07 19:22:25,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 19:22:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 479 transitions. [2019-12-07 19:22:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:22:25,787 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:22:25,787 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:22:26,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:22:26,388 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:22:26,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:22:26,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1031986529, now seen corresponding path program 3 times [2019-12-07 19:22:26,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:22:26,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559764479] [2019-12-07 19:22:26,390 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95ead8f5-3f0f-4081-bc01-de0fadf1da79/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 19:22:37,058 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-12-07 19:22:37,058 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 19:22:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:22:45,815 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 19:22:45,815 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:22:46,016 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 19:22:46,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:22:46 BoogieIcfgContainer [2019-12-07 19:22:46,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:22:46,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:22:46,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:22:46,166 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:22:46,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:15:41" (3/4) ... [2019-12-07 19:22:46,170 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:22:46,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:22:46,172 INFO L168 Benchmark]: Toolchain (without parser) took 433947.11 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 284.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:22:46,172 INFO L168 Benchmark]: CDTParser took 0.17 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 19:22:46,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1545.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.0 MB in the beginning and 840.5 MB in the end (delta: 106.5 MB). Peak memory consumption was 242.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:22:46,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.91 ms. Allocated memory is still 1.2 GB. Free memory was 840.5 MB in the beginning and 827.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:22:46,173 INFO L168 Benchmark]: Boogie Preprocessor took 81.54 ms. Allocated memory is still 1.2 GB. Free memory was 827.0 MB in the beginning and 813.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:22:46,174 INFO L168 Benchmark]: RCFGBuilder took 7198.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 813.5 MB in the beginning and 875.8 MB in the end (delta: -62.2 MB). Peak memory consumption was 150.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:22:46,174 INFO L168 Benchmark]: TraceAbstraction took 425004.59 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 114.8 MB). Free memory was 875.8 MB in the beginning and 1.1 GB in the end (delta: -214.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:22:46,175 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:22:46,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 1545.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.0 MB in the beginning and 840.5 MB in the end (delta: 106.5 MB). Peak memory consumption was 242.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.91 ms. Allocated memory is still 1.2 GB. Free memory was 840.5 MB in the beginning and 827.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.54 ms. Allocated memory is still 1.2 GB. Free memory was 827.0 MB in the beginning and 813.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7198.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 813.5 MB in the beginning and 875.8 MB in the end (delta: -62.2 MB). Peak memory consumption was 150.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 425004.59 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 114.8 MB). Free memory was 875.8 MB in the beginning and 1.1 GB in the end (delta: -214.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.85 ms. Allocated memory is still 1.5 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.traceabstraction: - UnprovableResult [Line: 7]: 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 1469. Possible FailurePath: [L15] int current_execution_context; [L26] int (* _ddv_module_init)(void); [L27] void (* _ddv_module_exit)(void); [L227] unsigned long jiffies; [L1469] char _ddv_module_author[] = "Fernando Fuganti "; [L1470] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1471] char _ddv_module_license[] = "GPL"; [L1473] static int nowayout = 0; [L1474] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1478-L1482] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1483] static int action = 0; [L1484] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1486] static int zf_action = 0x0800; [L1487] static unsigned long zf_is_open; [L1488] static char zf_expect_close; [L1489] static spinlock_t zf_lock; [L1490] static spinlock_t zf_port_lock; [L1491] static struct timer_list zf_timer; [L1492] static unsigned long next_heartbeat = 0; [L1738-L1745] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1747-L1751] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1758-L1760] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1840] int (* _ddv_tmp_init)(void) = zf_init; [L1841] void (* _ddv_tmp_exit)(void) = zf_exit; [L1892] struct cdev fixed_cdev[1]; [L1893] int fixed_cdev_used = 0; [L1895] short number_cdev_registered = 0; [L1906] struct ddv_cdev cdev_registered[1]; [L2443] short number_genhd_registered = 0; [L2444] short number_fixed_genhd_used = 0; [L2455] struct gendisk fixed_gendisk[10]; [L2456] struct ddv_genhd genhd_registered[10]; [L2592] struct ddv_pci_driver registered_pci_driver; [L2603] struct registered_irq registered_irq[16]; [L2613] short number_tasklet_registered = 0; [L2620] struct ddv_tasklet tasklet_registered[1]; [L2630] short number_timer_registered = 0; [L2636] struct ddv_timer timer_registered[1]; [L2646] struct work_struct *shared_workqueue[10]; [L2656] spinlock_t kernel_lock; [L3342] request_queue_t fixed_request_queue[10]; [L3344] int number_request_queue_used = 0; [L3428] struct proc_dir_entry *proc_root_driver; [L3738] struct ddv_tty_driver global_tty_driver; [L3917] int ddv_ioport_request_start; [L3918] int ddv_ioport_request_len; VAL [={0:0}, ={0:0}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L1845] _ddv_module_init = zf_init [L1846] _ddv_module_exit = zf_exit [L2720] int err; [L2722] current_execution_context = 1 [L2660] int i; [L4150] lock->init = 1 [L4151] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND TRUE i < 10 [L2665] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2664] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2668] COND TRUE i < 1 [L2669] tasklet_registered[i].tasklet = ((void *)0) [L2670] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L2668] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L1771] int ret; [L4477] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L7] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] [L7] __VERIFIER_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2080370673:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-805306321:0}, fixed_cdev_used=0, fixed_gendisk={1342177282:0}, fixed_request_queue={8388611:0}, genhd_registered={17:0}, global_tty_driver={67112979:0}, jiffies=0, kernel_lock={1744830526:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1879048146:0}, registered_pci_driver={67112971:0}, shared_workqueue={-805306362:0}, tasklet_registered={-2147483633:0}, timer_registered={-402653126:0}, zf_action=2048, zf_expect_close=0, zf_fops={268435502:0}, zf_info={1610612737:0}, zf_is_open={1342177314:0}, zf_lock={268435474:0}, zf_miscdev={570425345:0}, zf_notifier={-1342177280:0}, zf_port_lock={805306368:0}, zf_timer={1879310336:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 382 locations, 9 error locations. Result: UNSAFE, OverallTime: 424.8s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1843 SDtfs, 4085 SDslu, 4513 SDs, 0 SdLazy, 219 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 269 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred in iteration=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, 4 MinimizatonAttempts, 359 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 408.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 14244 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3308 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 12/252 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...