./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.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_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ...................................................................................................................................... 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_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:44:11,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:44:11,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:44:11,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:44:11,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:44:11,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:44:11,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:44:11,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:44:11,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:44:11,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:44:11,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:44:11,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:44:11,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:44:11,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:44:11,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:44:11,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:44:11,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:44:11,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:44:11,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:44:11,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:44:11,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:44:11,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:44:11,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:44:11,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:44:11,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:44:11,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:44:11,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:44:11,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:44:11,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:44:11,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:44:11,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:44:11,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:44:11,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:44:11,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:44:11,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:44:11,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:44:11,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:44:11,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:44:11,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:44:11,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:44:11,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:44:11,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:44:11,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:44:11,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:44:11,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:44:11,196 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:44:11,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:44:11,196 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:44:11,196 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:44:11,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:44:11,197 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:44:11,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:44:11,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:44:11,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:44:11,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:44:11,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:44:11,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:44:11,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:44:11,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:44:11,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:44:11,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:44:11,201 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_21e994f2-045f-478b-8b73-4b490411863b/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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2019-12-07 20:44:11,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:44:11,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:44:11,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:44:11,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:44:11,310 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:44:11,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2019-12-07 20:44:11,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/492ccd39e/6921aabf7631428e9c71894b5b42a6d6/FLAG6e518a7e5 [2019-12-07 20:44:11,806 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:44:11,807 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2019-12-07 20:44:11,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/492ccd39e/6921aabf7631428e9c71894b5b42a6d6/FLAG6e518a7e5 [2019-12-07 20:44:11,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/492ccd39e/6921aabf7631428e9c71894b5b42a6d6 [2019-12-07 20:44:11,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:44:11,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:44:11,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:44:11,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:44:11,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:44:11,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:44:11" (1/1) ... [2019-12-07 20:44:11,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:11, skipping insertion in model container [2019-12-07 20:44:11,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:44:11" (1/1) ... [2019-12-07 20:44:11,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:44:11,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:44:12,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:44:12,081 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 20:44:12,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53af3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:12, skipping insertion in model container [2019-12-07 20:44:12,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:44:12,082 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:44:12,084 INFO L168 Benchmark]: Toolchain (without parser) took 255.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:12,084 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:44:12,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:12,086 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 468]: 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 20:44:13,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:44:13,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:44:13,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:44:13,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:44:13,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:44:13,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:44:13,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:44:13,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:44:13,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:44:13,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:44:13,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:44:13,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:44:13,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:44:13,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:44:13,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:44:13,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:44:13,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:44:13,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:44:13,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:44:13,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:44:13,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:44:13,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:44:13,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:44:13,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:44:13,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:44:13,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:44:13,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:44:13,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:44:13,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:44:13,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:44:13,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:44:13,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:44:13,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:44:13,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:44:13,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:44:13,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:44:13,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:44:13,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:44:13,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:44:13,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:44:13,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:44:13,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:44:13,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:44:13,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:44:13,279 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:44:13,279 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:44:13,280 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:44:13,280 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:44:13,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:44:13,280 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:44:13,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:44:13,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:44:13,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:44:13,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:44:13,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:44:13,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:44:13,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:44:13,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:44:13,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:44:13,283 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:44:13,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:44:13,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:44:13,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:44:13,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:44:13,284 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_21e994f2-045f-478b-8b73-4b490411863b/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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2019-12-07 20:44:13,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:44:13,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:44:13,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:44:13,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:44:13,478 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:44:13,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2019-12-07 20:44:13,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/cf80f0bda/8d0584836e3a4e468c4b602901d8a4b3/FLAG696e305c2 [2019-12-07 20:44:13,995 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:44:13,996 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2019-12-07 20:44:14,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/cf80f0bda/8d0584836e3a4e468c4b602901d8a4b3/FLAG696e305c2 [2019-12-07 20:44:14,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/data/cf80f0bda/8d0584836e3a4e468c4b602901d8a4b3 [2019-12-07 20:44:14,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:44:14,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:44:14,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:44:14,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:44:14,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:44:14,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f11b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14, skipping insertion in model container [2019-12-07 20:44:14,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:44:14,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:44:14,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:44:14,760 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:44:14,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:44:14,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:44:14,809 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:44:14,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:44:14,871 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:44:14,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14 WrapperNode [2019-12-07 20:44:14,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:44:14,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:44:14,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:44:14,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:44:14,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:44:14,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:44:14,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:44:14,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:44:14,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... [2019-12-07 20:44:14,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:44:14,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:44:14,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:44:14,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:44:14,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:44:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:44:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:44:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:44:15,557 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:44:15,558 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-07 20:44:15,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:44:15 BoogieIcfgContainer [2019-12-07 20:44:15,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:44:15,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:44:15,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:44:15,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:44:15,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:44:14" (1/3) ... [2019-12-07 20:44:15,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3add69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:44:15, skipping insertion in model container [2019-12-07 20:44:15,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:44:14" (2/3) ... [2019-12-07 20:44:15,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3add69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:44:15, skipping insertion in model container [2019-12-07 20:44:15,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:44:15" (3/3) ... [2019-12-07 20:44:15,564 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2019-12-07 20:44:15,571 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:44:15,576 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:44:15,585 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:44:15,602 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:44:15,602 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:44:15,602 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:44:15,602 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:44:15,602 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:44:15,603 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:44:15,603 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:44:15,603 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:44:15,615 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 20:44:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:44:15,620 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:15,620 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:15,621 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:15,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:15,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1765894020, now seen corresponding path program 1 times [2019-12-07 20:44:15,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:15,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984610160] [2019-12-07 20:44:15,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:15,785 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:44:15,789 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:15,801 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 20:44:15,801 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:15,805 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 20:44:15,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984610160] [2019-12-07 20:44:15,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:15,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:44:15,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513607786] [2019-12-07 20:44:15,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:44:15,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:15,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:44:15,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:44:15,822 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 20:44:15,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:15,847 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2019-12-07 20:44:15,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:44:15,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:44:15,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:15,860 INFO L225 Difference]: With dead ends: 223 [2019-12-07 20:44:15,860 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 20:44:15,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 20:44:15,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 20:44:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 20:44:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 20:44:15,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-12-07 20:44:15,899 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2019-12-07 20:44:15,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:15,899 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-12-07 20:44:15,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:44:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2019-12-07 20:44:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:44:15,900 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:15,901 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:16,101 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:44:16,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:16,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:16,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1547058051, now seen corresponding path program 1 times [2019-12-07 20:44:16,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:16,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403846134] [2019-12-07 20:44:16,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:16,273 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:44:16,275 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:16,288 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 20:44:16,288 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:16,297 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 20:44:16,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403846134] [2019-12-07 20:44:16,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:16,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:44:16,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161495853] [2019-12-07 20:44:16,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:44:16,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:44:16,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:44:16,299 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 4 states. [2019-12-07 20:44:16,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:16,311 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2019-12-07 20:44:16,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:44:16,312 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:44:16,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:16,313 INFO L225 Difference]: With dead ends: 111 [2019-12-07 20:44:16,313 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 20:44:16,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 20:44:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 20:44:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 20:44:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 20:44:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 20:44:16,318 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-12-07 20:44:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:16,319 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 20:44:16,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:44:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 20:44:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:44:16,320 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:16,320 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, 1] [2019-12-07 20:44:16,520 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:44:16,520 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:16,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:16,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1303013450, now seen corresponding path program 1 times [2019-12-07 20:44:16,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:16,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601916553] [2019-12-07 20:44:16,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:16,627 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:44:16,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:16,636 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 20:44:16,637 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:16,643 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 20:44:16,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601916553] [2019-12-07 20:44:16,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:16,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:44:16,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859695256] [2019-12-07 20:44:16,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:44:16,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:16,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:44:16,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:44:16,645 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 4 states. [2019-12-07 20:44:16,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:16,652 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2019-12-07 20:44:16,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:44:16,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:44:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:16,653 INFO L225 Difference]: With dead ends: 87 [2019-12-07 20:44:16,654 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 20:44:16,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 20:44:16,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 20:44:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 20:44:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 20:44:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 20:44:16,659 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-12-07 20:44:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:16,659 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 20:44:16,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:44:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 20:44:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:44:16,660 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:16,660 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, 1, 1, 1] [2019-12-07 20:44:16,860 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:44:16,861 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:16,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1055953523, now seen corresponding path program 1 times [2019-12-07 20:44:16,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:16,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692514122] [2019-12-07 20:44:16,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:16,984 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:44:16,986 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:16,992 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 20:44:16,992 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:16,995 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 20:44:16,995 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692514122] [2019-12-07 20:44:16,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:16,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:44:16,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592660590] [2019-12-07 20:44:16,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:44:16,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:16,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:44:16,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:44:16,997 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 20:44:17,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:17,062 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2019-12-07 20:44:17,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:44:17,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 20:44:17,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:17,063 INFO L225 Difference]: With dead ends: 109 [2019-12-07 20:44:17,064 INFO L226 Difference]: Without dead ends: 69 [2019-12-07 20:44:17,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 20:44:17,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-12-07 20:44:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2019-12-07 20:44:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 20:44:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2019-12-07 20:44:17,071 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2019-12-07 20:44:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:17,071 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2019-12-07 20:44:17,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:44:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-12-07 20:44:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 20:44:17,072 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:17,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:17,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:44:17,273 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1518849596, now seen corresponding path program 1 times [2019-12-07 20:44:17,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:17,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131459669] [2019-12-07 20:44:17,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:17,440 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:44:17,442 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:17,454 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 20:44:17,454 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:17,459 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 20:44:17,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131459669] [2019-12-07 20:44:17,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:17,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:44:17,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402882551] [2019-12-07 20:44:17,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:44:17,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:17,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:44:17,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:44:17,461 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2019-12-07 20:44:17,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:17,512 INFO L93 Difference]: Finished difference Result 178 states and 252 transitions. [2019-12-07 20:44:17,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:44:17,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 20:44:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:17,513 INFO L225 Difference]: With dead ends: 178 [2019-12-07 20:44:17,513 INFO L226 Difference]: Without dead ends: 118 [2019-12-07 20:44:17,514 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:44:17,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-12-07 20:44:17,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 73. [2019-12-07 20:44:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 20:44:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2019-12-07 20:44:17,520 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2019-12-07 20:44:17,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:17,520 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2019-12-07 20:44:17,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:44:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2019-12-07 20:44:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 20:44:17,521 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:17,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:17,721 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:44:17,722 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:17,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:17,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1842653991, now seen corresponding path program 1 times [2019-12-07 20:44:17,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:17,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211207145] [2019-12-07 20:44:17,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/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 20:44:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:17,899 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:44:17,901 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:17,914 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 20:44:17,914 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:17,918 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 20:44:17,918 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211207145] [2019-12-07 20:44:17,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:17,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:44:17,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723339119] [2019-12-07 20:44:17,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:44:17,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:17,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:44:17,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:44:17,919 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 5 states. [2019-12-07 20:44:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:18,006 INFO L93 Difference]: Finished difference Result 349 states and 492 transitions. [2019-12-07 20:44:18,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:44:18,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 20:44:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:18,008 INFO L225 Difference]: With dead ends: 349 [2019-12-07 20:44:18,008 INFO L226 Difference]: Without dead ends: 283 [2019-12-07 20:44:18,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:44:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-12-07 20:44:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 131. [2019-12-07 20:44:18,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-12-07 20:44:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2019-12-07 20:44:18,020 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 180 transitions. Word has length 32 [2019-12-07 20:44:18,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:18,020 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 180 transitions. [2019-12-07 20:44:18,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:44:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 180 transitions. [2019-12-07 20:44:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:44:18,021 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:18,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:18,222 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:44:18,223 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:18,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:18,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1842810527, now seen corresponding path program 1 times [2019-12-07 20:44:18,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:18,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051128709] [2019-12-07 20:44:18,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:44:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:18,340 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:44:18,341 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:18,353 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 20:44:18,353 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:18,356 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 20:44:18,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051128709] [2019-12-07 20:44:18,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:18,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:44:18,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195819339] [2019-12-07 20:44:18,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:44:18,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:18,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:44:18,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:44:18,357 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. Second operand 5 states. [2019-12-07 20:44:18,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:18,477 INFO L93 Difference]: Finished difference Result 490 states and 677 transitions. [2019-12-07 20:44:18,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:44:18,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 20:44:18,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:18,480 INFO L225 Difference]: With dead ends: 490 [2019-12-07 20:44:18,480 INFO L226 Difference]: Without dead ends: 366 [2019-12-07 20:44:18,481 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:44:18,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-12-07 20:44:18,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 130. [2019-12-07 20:44:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 20:44:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2019-12-07 20:44:18,495 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2019-12-07 20:44:18,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:18,496 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2019-12-07 20:44:18,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:44:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2019-12-07 20:44:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:44:18,497 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:18,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:18,698 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:44:18,698 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:18,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:18,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2075209658, now seen corresponding path program 1 times [2019-12-07 20:44:18,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:18,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58300796] [2019-12-07 20:44:18,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:44:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:18,840 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:44:18,842 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:18,850 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 20:44:18,850 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:18,862 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 20:44:18,863 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [58300796] [2019-12-07 20:44:18,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:18,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:44:18,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841923470] [2019-12-07 20:44:18,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:44:18,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:18,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:44:18,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:44:18,864 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 6 states. [2019-12-07 20:44:18,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:18,909 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2019-12-07 20:44:18,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:44:18,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 20:44:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:18,911 INFO L225 Difference]: With dead ends: 349 [2019-12-07 20:44:18,911 INFO L226 Difference]: Without dead ends: 226 [2019-12-07 20:44:18,911 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:44:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-12-07 20:44:18,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2019-12-07 20:44:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-12-07 20:44:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2019-12-07 20:44:18,920 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2019-12-07 20:44:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:18,920 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2019-12-07 20:44:18,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:44:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2019-12-07 20:44:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:44:18,921 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:18,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:19,122 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:44:19,123 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:19,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:19,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1632951624, now seen corresponding path program 1 times [2019-12-07 20:44:19,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:19,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710389254] [2019-12-07 20:44:19,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 20:44:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:19,240 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:44:19,241 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:19,246 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 20:44:19,246 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:19,252 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 20:44:19,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710389254] [2019-12-07 20:44:19,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:19,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:44:19,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723859565] [2019-12-07 20:44:19,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:44:19,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:19,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:44:19,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:44:19,254 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 4 states. [2019-12-07 20:44:19,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:19,297 INFO L93 Difference]: Finished difference Result 422 states and 569 transitions. [2019-12-07 20:44:19,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:44:19,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 20:44:19,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:19,299 INFO L225 Difference]: With dead ends: 422 [2019-12-07 20:44:19,299 INFO L226 Difference]: Without dead ends: 291 [2019-12-07 20:44:19,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 20:44:19,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-12-07 20:44:19,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 239. [2019-12-07 20:44:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-12-07 20:44:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2019-12-07 20:44:19,314 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 33 [2019-12-07 20:44:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:19,314 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2019-12-07 20:44:19,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:44:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2019-12-07 20:44:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:44:19,315 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:19,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:19,515 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:44:19,516 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:19,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:19,516 INFO L82 PathProgramCache]: Analyzing trace with hash -767383544, now seen corresponding path program 1 times [2019-12-07 20:44:19,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:19,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535618627] [2019-12-07 20:44:19,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 20:44:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:19,619 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:44:19,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:19,627 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 20:44:19,628 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:19,630 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 20:44:19,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535618627] [2019-12-07 20:44:19,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:19,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:44:19,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409082264] [2019-12-07 20:44:19,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:44:19,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:19,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:44:19,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:44:19,631 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand 3 states. [2019-12-07 20:44:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:19,677 INFO L93 Difference]: Finished difference Result 407 states and 540 transitions. [2019-12-07 20:44:19,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:44:19,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 20:44:19,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:19,679 INFO L225 Difference]: With dead ends: 407 [2019-12-07 20:44:19,679 INFO L226 Difference]: Without dead ends: 405 [2019-12-07 20:44:19,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 20:44:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2019-12-07 20:44:19,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 304. [2019-12-07 20:44:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-12-07 20:44:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 414 transitions. [2019-12-07 20:44:19,696 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 414 transitions. Word has length 34 [2019-12-07 20:44:19,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:19,696 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 414 transitions. [2019-12-07 20:44:19,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:44:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 414 transitions. [2019-12-07 20:44:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 20:44:19,697 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:19,697 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:19,897 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:44:19,898 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:19,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:19,898 INFO L82 PathProgramCache]: Analyzing trace with hash 12630167, now seen corresponding path program 1 times [2019-12-07 20:44:19,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:19,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935637619] [2019-12-07 20:44:19,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 20:44:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:20,020 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:44:20,022 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:44:20,041 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:44:20,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935637619] [2019-12-07 20:44:20,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:20,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 20:44:20,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088717303] [2019-12-07 20:44:20,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 20:44:20,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:20,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 20:44:20,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:44:20,069 INFO L87 Difference]: Start difference. First operand 304 states and 414 transitions. Second operand 10 states. [2019-12-07 20:44:20,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:20,376 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2019-12-07 20:44:20,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:44:20,376 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-12-07 20:44:20,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:20,379 INFO L225 Difference]: With dead ends: 978 [2019-12-07 20:44:20,379 INFO L226 Difference]: Without dead ends: 681 [2019-12-07 20:44:20,380 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-12-07 20:44:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2019-12-07 20:44:20,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 237. [2019-12-07 20:44:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-12-07 20:44:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 313 transitions. [2019-12-07 20:44:20,400 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 313 transitions. Word has length 56 [2019-12-07 20:44:20,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:20,400 INFO L462 AbstractCegarLoop]: Abstraction has 237 states and 313 transitions. [2019-12-07 20:44:20,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 20:44:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 313 transitions. [2019-12-07 20:44:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 20:44:20,401 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:44:20,402 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:44:20,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 20:44:20,603 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:44:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:44:20,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1600290606, now seen corresponding path program 1 times [2019-12-07 20:44:20,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:44:20,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990335971] [2019-12-07 20:44:20,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 20:44:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:44:20,714 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:44:20,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:44:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:44:20,724 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:44:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:44:20,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990335971] [2019-12-07 20:44:20,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:44:20,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:44:20,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615945684] [2019-12-07 20:44:20,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:44:20,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:44:20,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:44:20,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:44:20,735 INFO L87 Difference]: Start difference. First operand 237 states and 313 transitions. Second operand 4 states. [2019-12-07 20:44:20,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:44:20,960 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2019-12-07 20:44:20,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:44:20,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-12-07 20:44:20,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:44:20,961 INFO L225 Difference]: With dead ends: 435 [2019-12-07 20:44:20,961 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:44:20,961 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 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 20:44:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:44:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:44:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:44:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:44:20,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-12-07 20:44:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:44:20,962 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:44:20,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:44:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:44:20,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:44:21,163 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 20:44:21,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:44:21,329 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 92 [2019-12-07 20:44:21,978 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 33 [2019-12-07 20:44:22,102 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2019-12-07 20:44:22,514 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2019-12-07 20:44:22,953 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2019-12-07 20:44:23,539 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 32 [2019-12-07 20:44:23,786 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 33 [2019-12-07 20:44:24,261 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 26 [2019-12-07 20:44:24,481 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2019-12-07 20:44:24,972 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 36 [2019-12-07 20:44:24,974 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-12-07 20:44:24,974 INFO L242 CegarLoopResult]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1 .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 20:44:24,974 INFO L242 CegarLoopResult]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2019-12-07 20:44:24,974 INFO L242 CegarLoopResult]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2019-12-07 20:44:24,975 INFO L242 CegarLoopResult]: At program point L928(lines 1 939) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L435-1(line 435) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L435-2(line 435) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L242 CegarLoopResult]: At program point L303(lines 298 305) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:44:24,975 INFO L242 CegarLoopResult]: At program point L865(lines 861 867) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L249 CegarLoopResult]: At program point L901(lines 882 904) the Hoare annotation is: true [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-12-07 20:44:24,975 INFO L242 CegarLoopResult]: At program point L936(lines 931 939) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:44:24,975 INFO L246 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L343-3(lines 343 347) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L277-2(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L343-6(lines 343 347) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L242 CegarLoopResult]: At program point L380(lines 375 383) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 20:44:24,976 INFO L242 CegarLoopResult]: At program point L380-1(lines 375 383) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse4) (and .cse7 .cse2 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse4) (and .cse5 .cse7 .cse1 .cse6 .cse4))) [2019-12-07 20:44:24,976 INFO L246 CegarLoopResult]: For program point L314(lines 314 331) no Hoare annotation was computed. [2019-12-07 20:44:24,976 INFO L242 CegarLoopResult]: At program point L380-2(lines 375 383) the Hoare annotation is: false [2019-12-07 20:44:24,976 INFO L242 CegarLoopResult]: At program point L314-1(lines 1 939) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse2 .cse6 .cse7 .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4)) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 20:44:24,976 INFO L242 CegarLoopResult]: At program point L380-3(lines 375 383) the Hoare annotation is: false [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 331) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L242 CegarLoopResult]: At program point L380-4(lines 375 383) the Hoare annotation is: false [2019-12-07 20:44:24,977 INFO L242 CegarLoopResult]: At program point L314-3(lines 1 939) the Hoare annotation is: false [2019-12-07 20:44:24,977 INFO L242 CegarLoopResult]: At program point L380-5(lines 375 383) the Hoare annotation is: false [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L314-4(lines 314 331) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L242 CegarLoopResult]: At program point L314-5(lines 1 939) the Hoare annotation is: false [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-3(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-5(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-6(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-8(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-9(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-11(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-12(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-14(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-15(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,977 INFO L246 CegarLoopResult]: For program point L217-17(lines 217 221) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L242 CegarLoopResult]: At program point L251-1(lines 251 257) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse2 .cse6 .cse7 .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4)) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L318(lines 318 328) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L318-2(lines 318 328) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L318-4(lines 318 328) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L319(lines 319 325) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L319-2(lines 319 325) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L319-4(lines 319 325) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L242 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: false [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:44:24,978 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L420-2(lines 420 426) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L420-3(lines 420 426) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L420-4(lines 420 426) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L420-5(lines 420 426) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 .cse6 .cse3) (and .cse4 .cse1 .cse2 .cse6 .cse3) (and .cse0 .cse2 .cse5 .cse3))) [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-12-07 20:44:24,979 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-12-07 20:44:24,979 INFO L242 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: false [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:44:24,979 INFO L242 CegarLoopResult]: At program point L223(lines 208 226) the Hoare annotation is: false [2019-12-07 20:44:24,979 INFO L242 CegarLoopResult]: At program point L223-1(lines 208 226) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L223-2(lines 208 226) the Hoare annotation is: false [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L223-3(lines 208 226) the Hoare annotation is: false [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L223-4(lines 208 226) the Hoare annotation is: false [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L223-5(lines 208 226) the Hoare annotation is: false [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L159(lines 152 162) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L159-1(lines 152 162) the Hoare annotation is: false [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L159-2(lines 152 162) the Hoare annotation is: false [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L246 CegarLoopResult]: For program point L821-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:44:24,980 INFO L242 CegarLoopResult]: At program point L425(lines 416 429) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L425-1(lines 416 429) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse2 .cse1 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L425-2(lines 416 429) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L425-3(lines 416 429) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L425-4(lines 416 429) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L425-5(lines 416 429) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L246 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse5 .cse1 .cse6 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse6 .cse3))) [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse5 .cse4 .cse1 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-12-07 20:44:24,981 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:44:24,981 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-12-07 20:44:24,981 INFO L246 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-12-07 20:44:24,981 INFO L249 CegarLoopResult]: At program point L892-1(lines 892 899) the Hoare annotation is: true [2019-12-07 20:44:25,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:44:25 BoogieIcfgContainer [2019-12-07 20:44:25,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:44:25,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:44:25,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:44:25,004 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:44:25,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:44:15" (3/4) ... [2019-12-07 20:44:25,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:44:25,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:44:25,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:44:25,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:44:25,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:44:25,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:44:25,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:44:25,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:44:25,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,043 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,043 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,045 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,045 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,045 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:44:25,084 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_21e994f2-045f-478b-8b73-4b490411863b/bin/utaipan/witness.graphml [2019-12-07 20:44:25,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:44:25,085 INFO L168 Benchmark]: Toolchain (without parser) took 10582.13 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -57.0 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:25,085 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:44:25,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:25,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:25,086 INFO L168 Benchmark]: Boogie Preprocessor took 32.64 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 20:44:25,086 INFO L168 Benchmark]: RCFGBuilder took 605.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:25,086 INFO L168 Benchmark]: TraceAbstraction took 9444.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -6.4 MB). Peak memory consumption was 361.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:25,086 INFO L168 Benchmark]: Witness Printer took 79.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:44:25,088 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.64 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. * RCFGBuilder took 605.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9444.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -6.4 MB). Peak memory consumption was 361.6 MB. Max. memory is 11.5 GB. * Witness Printer took 79.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: 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: 298]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, HoareTripleCheckerStatistics: 1144 SDtfs, 1390 SDslu, 2282 SDs, 0 SdLazy, 277 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1120 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 114 NumberOfFragments, 907 HoareAnnotationTreeSize, 43 FomulaSimplifications, 379623 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 62318 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 772 ConstructedInterpolants, 0 QuantifiedInterpolants, 62293 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2394 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 82/82 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...