./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.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_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 6685c04a489eb5adb50802dad290085ec903509b ...................................................................................................................................... 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_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 6685c04a489eb5adb50802dad290085ec903509b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:17:25,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:17:25,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:17:25,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:17:25,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:17:25,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:17:25,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:17:25,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:17:25,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:17:25,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:17:25,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:17:25,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:17:25,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:17:25,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:17:25,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:17:25,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:17:25,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:17:25,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:17:25,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:17:25,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:17:25,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:17:25,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:17:25,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:17:25,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:17:25,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:17:25,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:17:25,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:17:25,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:17:25,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:17:25,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:17:25,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:17:25,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:17:25,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:17:26,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:17:26,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:17:26,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:17:26,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:17:26,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:17:26,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:17:26,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:17:26,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:17:26,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:17:26,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:17:26,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:17:26,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:17:26,017 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:17:26,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:17:26,018 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:17:26,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:17:26,018 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:17:26,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:17:26,018 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:17:26,018 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:17:26,019 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:17:26,019 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:17:26,019 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:17:26,019 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:17:26,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:17:26,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:17:26,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:17:26,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:17:26,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:17:26,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:17:26,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:17:26,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:17:26,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:17:26,021 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:17:26,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:17:26,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:17:26,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:17:26,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:17:26,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:17:26,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:17:26,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:17:26,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:17:26,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:17:26,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:17:26,023 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:17:26,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:17:26,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:17:26,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:17:26,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:17:26,024 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_52256d3b-61ac-4321-824c-9dbe16baa482/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 -> 6685c04a489eb5adb50802dad290085ec903509b [2019-12-07 20:17:26,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:17:26,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:17:26,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:17:26,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:17:26,149 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:17:26,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 20:17:26,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/bb1976f58/b8d9c6fd6b294107a39bc9122e9b4774/FLAGc0bb0a07c [2019-12-07 20:17:26,656 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:17:26,657 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 20:17:26,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/bb1976f58/b8d9c6fd6b294107a39bc9122e9b4774/FLAGc0bb0a07c [2019-12-07 20:17:27,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/bb1976f58/b8d9c6fd6b294107a39bc9122e9b4774 [2019-12-07 20:17:27,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:17:27,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:17:27,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:27,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:17:27,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:17:27,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:27" (1/1) ... [2019-12-07 20:17:27,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3481212a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:27, skipping insertion in model container [2019-12-07 20:17:27,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:27" (1/1) ... [2019-12-07 20:17:27,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:17:27,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:17:28,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:28,088 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 20:17:28,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45b45996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:28, skipping insertion in model container [2019-12-07 20:17:28,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:28,089 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:17:28,091 INFO L168 Benchmark]: Toolchain (without parser) took 913.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -110.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:17:28,091 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:17:28,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 911.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -110.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:17:28,093 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 911.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -110.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2970]: 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 20:17:29,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:17:29,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:17:29,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:17:29,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:17:29,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:17:29,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:17:29,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:17:29,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:17:29,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:17:29,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:17:29,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:17:29,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:17:29,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:17:29,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:17:29,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:17:29,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:17:29,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:17:29,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:17:29,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:17:29,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:17:29,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:17:29,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:17:29,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:17:29,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:17:29,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:17:29,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:17:29,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:17:29,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:17:29,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:17:29,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:17:29,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:17:29,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:17:29,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:17:29,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:17:29,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:17:29,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:17:29,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:17:29,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:17:29,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:17:29,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:17:29,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:17:29,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:17:29,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:17:29,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:17:29,276 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:17:29,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:17:29,276 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:17:29,276 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:17:29,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:17:29,277 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:17:29,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:17:29,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:17:29,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:17:29,278 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:17:29,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:17:29,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:17:29,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:17:29,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:17:29,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:17:29,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:17:29,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:17:29,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:17:29,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:17:29,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:17:29,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:17:29,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:17:29,280 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:17:29,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:17:29,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:17:29,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:17:29,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:17:29,281 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_52256d3b-61ac-4321-824c-9dbe16baa482/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 -> 6685c04a489eb5adb50802dad290085ec903509b [2019-12-07 20:17:29,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:17:29,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:17:29,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:17:29,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:17:29,457 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:17:29,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 20:17:29,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/726c6eb59/818e41ef596a4c30a39c11b1db3d293d/FLAG9d01b9d93 [2019-12-07 20:17:29,986 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:17:29,986 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2019-12-07 20:17:30,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/726c6eb59/818e41ef596a4c30a39c11b1db3d293d/FLAG9d01b9d93 [2019-12-07 20:17:30,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/bin/utaipan/data/726c6eb59/818e41ef596a4c30a39c11b1db3d293d [2019-12-07 20:17:30,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:17:30,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:17:30,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:30,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:17:30,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:17:30,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:30" (1/1) ... [2019-12-07 20:17:30,296 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 08:17:30, skipping insertion in model container [2019-12-07 20:17:30,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:30" (1/1) ... [2019-12-07 20:17:30,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:17:30,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:17:31,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:31,264 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:17:31,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:17:31,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:31,385 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:17:31,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:31,858 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:17:31,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31 WrapperNode [2019-12-07 20:17:31,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:31,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:17:31,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:17:31,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:17:31,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:31,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:31,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:17:31,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:17:31,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:17:31,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:17:31,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:31,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:31,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:31,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:32,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:32,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:32,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... [2019-12-07 20:17:32,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:17:32,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:17:32,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:17:32,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:17:32,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:17:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 20:17:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:17:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 20:17:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 20:17:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 20:17:38,778 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:17:38,779 INFO L287 CfgBuilder]: Removed 563 assume(true) statements. [2019-12-07 20:17:38,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:17:38 BoogieIcfgContainer [2019-12-07 20:17:38,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:17:38,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:17:38,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:17:38,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:17:38,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:17:30" (1/3) ... [2019-12-07 20:17:38,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52574530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:17:38, skipping insertion in model container [2019-12-07 20:17:38,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:31" (2/3) ... [2019-12-07 20:17:38,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52574530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:17:38, skipping insertion in model container [2019-12-07 20:17:38,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:17:38" (3/3) ... [2019-12-07 20:17:38,785 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2019-12-07 20:17:38,791 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:17:38,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-12-07 20:17:38,804 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-12-07 20:17:38,823 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:17:38,823 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:17:38,823 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:17:38,823 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:17:38,823 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:17:38,823 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:17:38,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:17:38,824 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:17:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states. [2019-12-07 20:17:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:17:38,849 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:38,849 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:38,850 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:38,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:38,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2019-12-07 20:17:38,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:38,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796201951] [2019-12-07 20:17:38,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:39,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:17:39,283 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:39,292 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 20:17:39,292 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:39,295 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 20:17:39,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796201951] [2019-12-07 20:17:39,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:39,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:17:39,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795054774] [2019-12-07 20:17:39,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:17:39,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:39,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:17:39,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:17:39,309 INFO L87 Difference]: Start difference. First operand 493 states. Second operand 2 states. [2019-12-07 20:17:39,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:39,355 INFO L93 Difference]: Finished difference Result 981 states and 1259 transitions. [2019-12-07 20:17:39,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:17:39,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 20:17:39,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:39,367 INFO L225 Difference]: With dead ends: 981 [2019-12-07 20:17:39,367 INFO L226 Difference]: Without dead ends: 480 [2019-12-07 20:17:39,371 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 20:17:39,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2019-12-07 20:17:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2019-12-07 20:17:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-12-07 20:17:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 575 transitions. [2019-12-07 20:17:39,418 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 575 transitions. Word has length 11 [2019-12-07 20:17:39,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:39,418 INFO L462 AbstractCegarLoop]: Abstraction has 480 states and 575 transitions. [2019-12-07 20:17:39,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:17:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 575 transitions. [2019-12-07 20:17:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:17:39,418 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:39,419 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:39,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:17:39,621 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:39,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:39,622 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2019-12-07 20:17:39,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:39,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442840768] [2019-12-07 20:17:39,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:40,029 INFO L264 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:17:40,030 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:40,043 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 20:17:40,043 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:40,063 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 20:17:40,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442840768] [2019-12-07 20:17:40,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:40,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:17:40,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38148714] [2019-12-07 20:17:40,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:17:40,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:40,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:17:40,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:40,066 INFO L87 Difference]: Start difference. First operand 480 states and 575 transitions. Second operand 4 states. [2019-12-07 20:17:40,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:40,254 INFO L93 Difference]: Finished difference Result 1433 states and 1719 transitions. [2019-12-07 20:17:40,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:17:40,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 20:17:40,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:40,262 INFO L225 Difference]: With dead ends: 1433 [2019-12-07 20:17:40,262 INFO L226 Difference]: Without dead ends: 958 [2019-12-07 20:17:40,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 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 20:17:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2019-12-07 20:17:40,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 484. [2019-12-07 20:17:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-12-07 20:17:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 579 transitions. [2019-12-07 20:17:40,285 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 579 transitions. Word has length 11 [2019-12-07 20:17:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:40,286 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 579 transitions. [2019-12-07 20:17:40,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:17:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 579 transitions. [2019-12-07 20:17:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:17:40,286 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:40,286 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:40,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:17:40,488 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:40,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2019-12-07 20:17:40,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:40,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108252645] [2019-12-07 20:17:40,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:40,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:17:40,857 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:40,873 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 20:17:40,873 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:40,914 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 20:17:40,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108252645] [2019-12-07 20:17:40,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1858842085] [2019-12-07 20:17:40,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:41,421 INFO L264 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:17:41,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:41,425 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 20:17:41,425 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:41,427 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 20:17:41,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022941777] [2019-12-07 20:17:41,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:41,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:17:41,723 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:41,728 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 20:17:41,728 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:41,730 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 20:17:41,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:17:41,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2019-12-07 20:17:41,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673616487] [2019-12-07 20:17:41,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:17:41,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:17:41,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:17:41,731 INFO L87 Difference]: Start difference. First operand 484 states and 579 transitions. Second operand 8 states. [2019-12-07 20:17:42,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:42,918 INFO L93 Difference]: Finished difference Result 968 states and 1161 transitions. [2019-12-07 20:17:42,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:17:42,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-12-07 20:17:42,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:42,921 INFO L225 Difference]: With dead ends: 968 [2019-12-07 20:17:42,921 INFO L226 Difference]: Without dead ends: 492 [2019-12-07 20:17:42,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 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 20:17:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-12-07 20:17:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2019-12-07 20:17:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-12-07 20:17:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 586 transitions. [2019-12-07 20:17:42,936 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 586 transitions. Word has length 17 [2019-12-07 20:17:42,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:42,936 INFO L462 AbstractCegarLoop]: Abstraction has 492 states and 586 transitions. [2019-12-07 20:17:42,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:17:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 586 transitions. [2019-12-07 20:17:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:17:42,936 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:42,937 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:43,537 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 20:17:43,539 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:43,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:43,540 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2019-12-07 20:17:43,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:43,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150282762] [2019-12-07 20:17:43,542 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:17:50,501 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 20:17:50,501 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 20:17:50,623 INFO L264 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:17:50,625 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:50,670 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 20:17:50,670 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:50,829 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 20:17:50,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150282762] [2019-12-07 20:17:50,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2107635051] [2019-12-07 20:17:50,829 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:18:48,903 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 20:18:48,903 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 20:18:49,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:18:49,162 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:18:49,178 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 20:18:49,179 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:18:49,182 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 20:18:49,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528323701] [2019-12-07 20:18:49,183 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:22:41,680 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 20:22:41,681 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 20:22:41,714 INFO L264 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:22:41,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:22:41,738 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 20:22:41,738 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:22:41,741 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 20:22:41,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:22:41,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 16 [2019-12-07 20:22:41,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523836679] [2019-12-07 20:22:41,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 20:22:41,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:22:41,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 20:22:41,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:22:41,742 INFO L87 Difference]: Start difference. First operand 492 states and 586 transitions. Second operand 16 states. [2019-12-07 20:22:43,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:22:43,454 INFO L93 Difference]: Finished difference Result 976 states and 1167 transitions. [2019-12-07 20:22:43,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 20:22:43,455 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2019-12-07 20:22:43,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:22:43,457 INFO L225 Difference]: With dead ends: 976 [2019-12-07 20:22:43,457 INFO L226 Difference]: Without dead ends: 500 [2019-12-07 20:22:43,458 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 126 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 20:22:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-12-07 20:22:43,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2019-12-07 20:22:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-12-07 20:22:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 594 transitions. [2019-12-07 20:22:43,468 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 594 transitions. Word has length 25 [2019-12-07 20:22:43,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:22:43,468 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 594 transitions. [2019-12-07 20:22:43,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 20:22:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 594 transitions. [2019-12-07 20:22:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:22:43,469 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:22:43,469 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:22:44,070 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 20:22:44,072 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:22:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:22:44,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2019-12-07 20:22:44,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:22:44,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813700134] [2019-12-07 20:22:44,075 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52256d3b-61ac-4321-824c-9dbe16baa482/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 20:22:53,994 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-12-07 20:22:53,995 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 20:23:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:23:01,608 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:23:01,609 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:23:01,809 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:23:01,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:23:01 BoogieIcfgContainer [2019-12-07 20:23:01,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:23:01,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:23:01,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:23:01,937 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:23:01,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:17:38" (3/4) ... [2019-12-07 20:23:01,939 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:23:01,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:23:01,941 INFO L168 Benchmark]: Toolchain (without parser) took 331657.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 405.8 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -90.6 MB). Peak memory consumption was 315.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:01,941 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 20:23:01,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1573.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 947.0 MB in the beginning and 846.0 MB in the end (delta: 101.0 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:01,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.83 ms. Allocated memory is still 1.2 GB. Free memory was 846.0 MB in the beginning and 832.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:01,942 INFO L168 Benchmark]: Boogie Preprocessor took 87.85 ms. Allocated memory is still 1.2 GB. Free memory was 832.4 MB in the beginning and 818.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:01,942 INFO L168 Benchmark]: RCFGBuilder took 6721.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 818.9 MB in the beginning and 845.7 MB in the end (delta: -26.8 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:01,943 INFO L168 Benchmark]: TraceAbstraction took 323155.78 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 96.5 MB). Free memory was 845.7 MB in the beginning and 1.0 GB in the end (delta: -192.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:23:01,943 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:23:01,945 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 1573.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 947.0 MB in the beginning and 846.0 MB in the end (delta: 101.0 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.83 ms. Allocated memory is still 1.2 GB. Free memory was 846.0 MB in the beginning and 832.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.85 ms. Allocated memory is still 1.2 GB. Free memory was 832.4 MB in the beginning and 818.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6721.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 818.9 MB in the beginning and 845.7 MB in the end (delta: -26.8 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 323155.78 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 96.5 MB). Free memory was 845.7 MB in the beginning and 1.0 GB in the end (delta: -192.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 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]; [L2591] struct ddv_pci_driver registered_pci_driver; [L2602] struct registered_irq registered_irq[16]; [L2612] short number_tasklet_registered = 0; [L2619] struct ddv_tasklet tasklet_registered[1]; [L2629] short number_timer_registered = 0; [L2635] struct ddv_timer timer_registered[1]; [L2645] struct work_struct *shared_workqueue[10]; [L2655] spinlock_t kernel_lock; [L3341] request_queue_t fixed_request_queue[10]; [L3343] int number_request_queue_used = 0; [L3427] struct proc_dir_entry *proc_root_driver; [L3737] struct ddv_tty_driver global_tty_driver; [L3916] int ddv_ioport_request_start; [L3917] int ddv_ioport_request_len; VAL [={-1:7}, ={0:0}, ={-1:8}, ={0:0}, action=0, cdev_registered={1199:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L1845] _ddv_module_init = zf_init [L1846] _ddv_module_exit = zf_exit [L2719] int err; [L2721] current_execution_context = 1 [L2659] int i; [L4148] lock->init = 1 [L4149] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND TRUE i < 10 [L2664] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2663] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2667] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2667] COND TRUE i < 1 [L2668] tasklet_registered[i].tasklet = ((void *)0) [L2669] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2667] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L2667] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L1771] int ret; [L4475] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L7] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] [L7] __VERIFIER_error() VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1199:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147482425:0}, fixed_cdev_used=0, fixed_gendisk={33945:0}, fixed_request_queue={32798:0}, genhd_registered={-2147450790:0}, global_tty_driver={33949:0}, jiffies=0, kernel_lock={131:0}, 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={32871:0}, registered_pci_driver={1166:0}, shared_workqueue={5:0}, tasklet_registered={10:0}, timer_registered={32795:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147449703:0}, zf_info={1161:0}, zf_is_open={-1073740657:0}, zf_lock={1073743047:0}, zf_miscdev={1073743052:0}, zf_notifier={1157:0}, zf_port_lock={-2147482555:0}, zf_timer={545292314:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 493 locations, 39 error locations. Result: UNSAFE, OverallTime: 322.9s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2299 SDtfs, 5692 SDslu, 5662 SDs, 0 SdLazy, 196 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 253 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred 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, 474 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 308.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 13304 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3292 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...