./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --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_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 914cee364693da399a9c2543bf5dbcba9bd2afd1 ...................................................................................................................................... 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_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 914cee364693da399a9c2543bf5dbcba9bd2afd1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:06:15,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:06:15,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:06:15,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:06:15,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:06:15,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:06:15,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:06:15,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:06:15,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:06:15,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:06:15,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:06:15,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:06:15,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:06:15,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:06:15,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:06:15,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:06:15,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:06:15,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:06:15,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:06:15,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:06:15,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:06:15,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:06:15,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:06:15,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:06:15,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:06:15,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:06:15,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:06:15,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:06:15,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:06:15,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:06:15,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:06:15,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:06:15,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:06:15,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:06:15,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:06:15,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:06:15,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:06:15,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:06:15,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:06:15,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:06:15,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:06:15,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:06:15,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:06:15,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:06:15,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:06:15,790 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:06:15,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:06:15,790 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:06:15,791 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:06:15,791 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:06:15,792 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:06:15,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:06:15,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:06:15,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:06:15,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:06:15,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:06:15,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:06:15,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:06:15,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:06:15,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:06:15,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:06:15,795 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_f55c413c-f513-4669-a40b-205c47e9aa87/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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2019-12-07 20:06:15,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:06:15,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:06:15,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:06:15,903 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:06:15,904 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:06:15,904 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-12-07 20:06:15,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/318c4124e/bc549e185eec43c9ab4c59b67293bad7/FLAGf56fa89d7 [2019-12-07 20:06:16,430 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:06:16,431 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-12-07 20:06:16,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/318c4124e/bc549e185eec43c9ab4c59b67293bad7/FLAGf56fa89d7 [2019-12-07 20:06:16,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/318c4124e/bc549e185eec43c9ab4c59b67293bad7 [2019-12-07 20:06:16,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:06:16,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:06:16,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:06:16,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:06:16,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:06:16,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:06:16" (1/1) ... [2019-12-07 20:06:16,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e292d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:16, skipping insertion in model container [2019-12-07 20:06:16,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:06:16" (1/1) ... [2019-12-07 20:06:16,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:06:16,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:06:17,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:06:17,186 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 20:06:17,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ffb96ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:17, skipping insertion in model container [2019-12-07 20:06:17,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:06:17,187 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:06:17,188 INFO L168 Benchmark]: Toolchain (without parser) took 261.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:06:17,189 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:06:17,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:06:17,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 503]: 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 20:06:18,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:06:18,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:06:18,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:06:18,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:06:18,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:06:18,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:06:18,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:06:18,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:06:18,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:06:18,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:06:18,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:06:18,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:06:18,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:06:18,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:06:18,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:06:18,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:06:18,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:06:18,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:06:18,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:06:18,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:06:18,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:06:18,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:06:18,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:06:18,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:06:18,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:06:18,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:06:18,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:06:18,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:06:18,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:06:18,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:06:18,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:06:18,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:06:18,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:06:18,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:06:18,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:06:18,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:06:18,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:06:18,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:06:18,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:06:18,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:06:18,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:06:18,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:06:18,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:06:18,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:06:18,372 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:06:18,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:06:18,372 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:06:18,372 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:06:18,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:06:18,372 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:06:18,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:06:18,373 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:06:18,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:06:18,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:06:18,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:06:18,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:06:18,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:06:18,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:06:18,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:06:18,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:06:18,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:06:18,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:06:18,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:06:18,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:06:18,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:06:18,376 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:06:18,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:06:18,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:06:18,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:06:18,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:06:18,376 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_f55c413c-f513-4669-a40b-205c47e9aa87/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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2019-12-07 20:06:18,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:06:18,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:06:18,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:06:18,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:06:18,554 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:06:18,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-12-07 20:06:18,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/16aba257d/bd98f42fe11a4441a8df244d17c32d89/FLAG9787abdca [2019-12-07 20:06:19,011 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:06:19,011 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-12-07 20:06:19,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/16aba257d/bd98f42fe11a4441a8df244d17c32d89/FLAG9787abdca [2019-12-07 20:06:19,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/data/16aba257d/bd98f42fe11a4441a8df244d17c32d89 [2019-12-07 20:06:19,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:06:19,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:06:19,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:06:19,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:06:19,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:06:19,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19, skipping insertion in model container [2019-12-07 20:06:19,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:06:19,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:06:19,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:06:19,625 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:06:19,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:06:19,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:06:19,674 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:06:19,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:06:19,741 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:06:19,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19 WrapperNode [2019-12-07 20:06:19,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:06:19,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:06:19,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:06:19,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:06:19,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:06:19,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:06:19,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:06:19,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:06:19,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... [2019-12-07 20:06:19,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:06:19,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:06:19,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:06:19,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:06:19,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 20:06:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:06:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:06:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:06:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:06:20,255 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:06:20,255 INFO L287 CfgBuilder]: Removed 70 assume(true) statements. [2019-12-07 20:06:20,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:06:20 BoogieIcfgContainer [2019-12-07 20:06:20,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:06:20,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:06:20,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:06:20,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:06:20,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:06:19" (1/3) ... [2019-12-07 20:06:20,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751cf025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:06:20, skipping insertion in model container [2019-12-07 20:06:20,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:06:19" (2/3) ... [2019-12-07 20:06:20,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751cf025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:06:20, skipping insertion in model container [2019-12-07 20:06:20,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:06:20" (3/3) ... [2019-12-07 20:06:20,261 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2019-12-07 20:06:20,268 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:06:20,273 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:06:20,280 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:06:20,296 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:06:20,296 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:06:20,297 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:06:20,297 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:06:20,297 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:06:20,297 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:06:20,297 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:06:20,297 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:06:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-12-07 20:06:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:06:20,311 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:06:20,312 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:06:20,312 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:06:20,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:06:20,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-12-07 20:06:20,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:06:20,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217833892] [2019-12-07 20:06:20,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 20:06:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:20,465 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:06:20,469 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:20,480 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 20:06:20,480 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:20,484 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 20:06:20,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217833892] [2019-12-07 20:06:20,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:06:20,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:06:20,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668741010] [2019-12-07 20:06:20,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:06:20,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:06:20,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:06:20,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:06:20,500 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-12-07 20:06:20,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:06:20,518 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-12-07 20:06:20,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:06:20,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:06:20,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:06:20,527 INFO L225 Difference]: With dead ends: 112 [2019-12-07 20:06:20,527 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 20:06:20,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 20:06:20,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 20:06:20,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 20:06:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 20:06:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-12-07 20:06:20,558 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-12-07 20:06:20,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:06:20,559 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-12-07 20:06:20,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:06:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-12-07 20:06:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:06:20,560 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:06:20,560 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:06:20,761 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:06:20,762 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:06:20,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:06:20,763 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-12-07 20:06:20,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:06:20,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574727440] [2019-12-07 20:06:20,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 20:06:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:20,955 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:06:20,956 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:20,971 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 20:06:20,971 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:20,980 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 20:06:20,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574727440] [2019-12-07 20:06:20,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:06:20,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:06:20,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283065742] [2019-12-07 20:06:20,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:06:20,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:06:20,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:06:20,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:06:20,983 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 4 states. [2019-12-07 20:06:20,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:06:20,992 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-12-07 20:06:20,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:06:20,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:06:20,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:06:20,993 INFO L225 Difference]: With dead ends: 55 [2019-12-07 20:06:20,993 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 20:06:20,994 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 20:06:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 20:06:20,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 20:06:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 20:06:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 20:06:20,997 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-12-07 20:06:20,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:06:20,998 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 20:06:20,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:06:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 20:06:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:06:20,998 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:06:20,999 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:06:21,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:06:21,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:06:21,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:06:21,201 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-12-07 20:06:21,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:06:21,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648066051] [2019-12-07 20:06:21,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 20:06:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:21,423 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:06:21,425 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:21,434 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 20:06:21,435 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:21,442 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 20:06:21,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648066051] [2019-12-07 20:06:21,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:06:21,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:06:21,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911048256] [2019-12-07 20:06:21,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:06:21,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:06:21,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:06:21,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:06:21,444 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 4 states. [2019-12-07 20:06:21,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:06:21,464 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-12-07 20:06:21,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:06:21,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:06:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:06:21,467 INFO L225 Difference]: With dead ends: 98 [2019-12-07 20:06:21,468 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 20:06:21,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 20:06:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 20:06:21,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-12-07 20:06:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-12-07 20:06:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-12-07 20:06:21,479 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-12-07 20:06:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:06:21,480 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-12-07 20:06:21,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:06:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-12-07 20:06:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:06:21,481 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:06:21,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:06:21,682 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:06:21,682 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:06:21,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:06:21,682 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-12-07 20:06:21,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:06:21,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787185101] [2019-12-07 20:06:21,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:06:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:21,784 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:06:21,785 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:21,802 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 20:06:21,802 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:21,829 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 20:06:21,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787185101] [2019-12-07 20:06:21,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:06:21,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:06:21,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818828005] [2019-12-07 20:06:21,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:06:21,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:06:21,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:06:21,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:06:21,830 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2019-12-07 20:06:22,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:06:22,010 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2019-12-07 20:06:22,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:06:22,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 20:06:22,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:06:22,013 INFO L225 Difference]: With dead ends: 307 [2019-12-07 20:06:22,013 INFO L226 Difference]: Without dead ends: 265 [2019-12-07 20:06:22,014 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:06:22,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-12-07 20:06:22,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2019-12-07 20:06:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-12-07 20:06:22,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2019-12-07 20:06:22,030 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2019-12-07 20:06:22,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:06:22,031 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2019-12-07 20:06:22,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:06:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2019-12-07 20:06:22,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:06:22,032 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:06:22,032 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:06:22,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:06:22,233 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:06:22,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:06:22,234 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2019-12-07 20:06:22,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:06:22,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846101780] [2019-12-07 20:06:22,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:06:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:22,386 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:06:22,388 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:22,392 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 20:06:22,392 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:22,394 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 20:06:22,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846101780] [2019-12-07 20:06:22,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:06:22,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:06:22,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871183212] [2019-12-07 20:06:22,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:06:22,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:06:22,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:06:22,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:06:22,396 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2019-12-07 20:06:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:06:22,411 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2019-12-07 20:06:22,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:06:22,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 20:06:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:06:22,412 INFO L225 Difference]: With dead ends: 224 [2019-12-07 20:06:22,412 INFO L226 Difference]: Without dead ends: 112 [2019-12-07 20:06:22,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:06:22,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-12-07 20:06:22,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-12-07 20:06:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-12-07 20:06:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2019-12-07 20:06:22,427 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2019-12-07 20:06:22,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:06:22,428 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2019-12-07 20:06:22,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:06:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2019-12-07 20:06:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 20:06:22,429 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:06:22,429 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:06:22,630 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:06:22,631 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:06:22,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:06:22,632 INFO L82 PathProgramCache]: Analyzing trace with hash 718124842, now seen corresponding path program 1 times [2019-12-07 20:06:22,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:06:22,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170320887] [2019-12-07 20:06:22,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 20:06:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:22,786 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:06:22,787 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:06:22,798 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:06:22,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170320887] [2019-12-07 20:06:22,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2126684534] [2019-12-07 20:06:22,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/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 20:06:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:06:22,927 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:06:22,929 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:06:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 20:06:22,952 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:06:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 20:06:22,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:06:22,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 20:06:22,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6941325] [2019-12-07 20:06:22,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:06:22,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:06:22,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:06:22,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:06:22,958 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2019-12-07 20:06:23,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:06:23,038 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2019-12-07 20:06:23,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:06:23,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 20:06:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:06:23,039 INFO L225 Difference]: With dead ends: 228 [2019-12-07 20:06:23,039 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:06:23,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:06:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:06:23,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:06:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:06:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:06:23,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 20:06:23,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:06:23,040 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:06:23,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:06:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:06:23,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:06:23,441 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:06:23,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:06:23,662 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 20:06:23,662 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:06:23,662 INFO L242 CegarLoopResult]: At program point L863(lines 1 874) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:06:23,662 INFO L246 CegarLoopResult]: For program point L302(lines 302 306) no Hoare annotation was computed. [2019-12-07 20:06:23,662 INFO L246 CegarLoopResult]: For program point L302-3(lines 302 306) no Hoare annotation was computed. [2019-12-07 20:06:23,662 INFO L246 CegarLoopResult]: For program point L302-6(lines 302 306) no Hoare annotation was computed. [2019-12-07 20:06:23,662 INFO L246 CegarLoopResult]: For program point L187(lines 187 193) no Hoare annotation was computed. [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L187-1(lines 187 193) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L435(lines 431 437) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L73(lines 73 79) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L73-1(lines 73 79) the Hoare annotation is: false [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L73-2(lines 73 79) the Hoare annotation is: false [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L387-2(lines 387 401) the Hoare annotation is: false [2019-12-07 20:06:23,663 INFO L246 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-12-07 20:06:23,663 INFO L242 CegarLoopResult]: At program point L222-1(lines 222 228) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,664 INFO L249 CegarLoopResult]: At program point L470(lines 451 473) the Hoare annotation is: true [2019-12-07 20:06:23,664 INFO L242 CegarLoopResult]: At program point L371(lines 366 374) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,664 INFO L242 CegarLoopResult]: At program point L371-1(lines 366 374) the Hoare annotation is: false [2019-12-07 20:06:23,664 INFO L242 CegarLoopResult]: At program point L371-2(lines 366 374) the Hoare annotation is: false [2019-12-07 20:06:23,664 INFO L246 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2019-12-07 20:06:23,664 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:06:23,664 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 20:06:23,664 INFO L246 CegarLoopResult]: For program point L242(lines 242 255) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L242 CegarLoopResult]: At program point L143(lines 138 146) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,665 INFO L242 CegarLoopResult]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2019-12-07 20:06:23,665 INFO L242 CegarLoopResult]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2019-12-07 20:06:23,665 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L246 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L246 CegarLoopResult]: For program point L391-1(lines 66 72) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:06:23,665 INFO L242 CegarLoopResult]: At program point L871(lines 866 874) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:06:23,666 INFO L246 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-12-07 20:06:23,666 INFO L242 CegarLoopResult]: At program point L260(lines 211 261) the Hoare annotation is: false [2019-12-07 20:06:23,666 INFO L246 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-12-07 20:06:23,666 INFO L242 CegarLoopResult]: At program point L278-1(lines 1 874) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,666 INFO L246 CegarLoopResult]: For program point L278-2(lines 278 291) no Hoare annotation was computed. [2019-12-07 20:06:23,666 INFO L242 CegarLoopResult]: At program point L278-3(lines 1 874) the Hoare annotation is: false [2019-12-07 20:06:23,666 INFO L246 CegarLoopResult]: For program point L278-4(lines 278 291) no Hoare annotation was computed. [2019-12-07 20:06:23,666 INFO L242 CegarLoopResult]: At program point L278-5(lines 1 874) the Hoare annotation is: false [2019-12-07 20:06:23,666 INFO L246 CegarLoopResult]: For program point L213(lines 212 259) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L249 CegarLoopResult]: At program point L461-1(lines 461 468) the Hoare annotation is: true [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L242 CegarLoopResult]: At program point L66(lines 65 84) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L242 CegarLoopResult]: At program point L66-2(lines 65 84) the Hoare annotation is: false [2019-12-07 20:06:23,667 INFO L242 CegarLoopResult]: At program point L66-3(lines 65 84) the Hoare annotation is: false [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L242 CegarLoopResult]: At program point L248-1(lines 66 72) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2019-12-07 20:06:23,667 INFO L242 CegarLoopResult]: At program point L232-1(lines 232 238) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:06:23,667 INFO L246 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-12-07 20:06:23,668 INFO L246 CegarLoopResult]: For program point L282-2(lines 282 288) no Hoare annotation was computed. [2019-12-07 20:06:23,668 INFO L246 CegarLoopResult]: For program point L282-4(lines 282 288) no Hoare annotation was computed. [2019-12-07 20:06:23,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:06:23 BoogieIcfgContainer [2019-12-07 20:06:23,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:06:23,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:06:23,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:06:23,683 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:06:23,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:06:20" (3/4) ... [2019-12-07 20:06:23,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:06:23,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:06:23,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:06:23,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:06:23,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:06:23,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:06:23,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:06:23,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:06:23,721 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:06:23,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f55c413c-f513-4669-a40b-205c47e9aa87/bin/utaipan/witness.graphml [2019-12-07 20:06:23,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:06:23,752 INFO L168 Benchmark]: Toolchain (without parser) took 4384.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:06:23,752 INFO L168 Benchmark]: CDTParser took 0.14 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 20:06:23,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:06:23,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:06:23,753 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:06:23,753 INFO L168 Benchmark]: RCFGBuilder took 448.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:06:23,753 INFO L168 Benchmark]: TraceAbstraction took 3425.61 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:06:23,753 INFO L168 Benchmark]: Witness Printer took 67.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:06:23,755 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 374.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 448.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3425.61 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 67.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 298 SDtfs, 499 SDslu, 440 SDs, 0 SdLazy, 93 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 122 HoareAnnotationTreeSize, 26 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 22679 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1301 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 46/56 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 proved your program to be correct! Received shutdown request...