./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d ...................................................................................................................................... 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_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:48:48,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:48:48,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:48:48,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:48:48,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:48:48,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:48:48,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:48:48,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:48:48,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:48:48,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:48:48,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:48:48,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:48:48,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:48:48,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:48:48,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:48:48,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:48:48,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:48:48,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:48:48,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:48:48,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:48:48,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:48:48,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:48:48,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:48:48,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:48:48,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:48:48,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:48:48,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:48:48,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:48:48,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:48:48,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:48:48,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:48:48,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:48:48,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:48:48,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:48:48,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:48:48,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:48:48,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:48:48,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:48:48,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:48:48,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:48:48,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:48:48,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:48:48,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:48:48,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:48:48,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:48:48,067 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:48:48,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:48:48,067 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:48:48,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:48:48,067 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:48:48,068 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:48:48,068 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:48:48,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:48:48,068 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:48:48,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:48:48,069 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:48:48,069 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:48:48,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:48:48,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:48:48,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:48:48,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:48:48,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:48:48,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:48:48,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:48:48,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:48:48,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:48:48,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:48:48,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:48:48,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:48:48,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:48:48,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:48:48,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:48:48,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:48:48,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:48:48,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:48:48,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:48:48,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:48:48,073 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:48:48,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:48:48,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:48:48,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:48:48,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:48:48,074 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_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2019-12-07 19:48:48,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:48:48,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:48:48,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:48:48,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:48:48,196 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:48:48,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-12-07 19:48:48,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/a86252f2f/2935ee30987240d688d0000eb34cbefc/FLAG4ba3b9bf8 [2019-12-07 19:48:48,683 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:48:48,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-12-07 19:48:48,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/a86252f2f/2935ee30987240d688d0000eb34cbefc/FLAG4ba3b9bf8 [2019-12-07 19:48:48,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/a86252f2f/2935ee30987240d688d0000eb34cbefc [2019-12-07 19:48:48,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:48:48,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:48:48,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:48:48,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:48:48,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:48:48,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:48:48" (1/1) ... [2019-12-07 19:48:48,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:48, skipping insertion in model container [2019-12-07 19:48:48,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:48:48" (1/1) ... [2019-12-07 19:48:48,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:48:48,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:48:48,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:48:48,966 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 19:48:48,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b01a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:48, skipping insertion in model container [2019-12-07 19:48:48,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:48:48,967 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:48:48,968 INFO L168 Benchmark]: Toolchain (without parser) took 263.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:48:48,969 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:48:48,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:48:48,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 19:48:50,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:48:50,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:48:50,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:48:50,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:48:50,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:48:50,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:48:50,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:48:50,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:48:50,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:48:50,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:48:50,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:48:50,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:48:50,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:48:50,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:48:50,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:48:50,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:48:50,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:48:50,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:48:50,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:48:50,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:48:50,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:48:50,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:48:50,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:48:50,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:48:50,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:48:50,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:48:50,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:48:50,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:48:50,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:48:50,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:48:50,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:48:50,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:48:50,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:48:50,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:48:50,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:48:50,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:48:50,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:48:50,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:48:50,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:48:50,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:48:50,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:48:50,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:48:50,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:48:50,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:48:50,196 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:48:50,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:48:50,196 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:48:50,196 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:48:50,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:48:50,196 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:48:50,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:48:50,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:48:50,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:48:50,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:48:50,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:48:50,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:48:50,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:48:50,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:48:50,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:48:50,198 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:48:50,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:48:50,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:48:50,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:48:50,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:48:50,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:48:50,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:48:50,200 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:48:50,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:48:50,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:48:50,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:48:50,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:48:50,201 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_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2019-12-07 19:48:50,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:48:50,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:48:50,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:48:50,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:48:50,385 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:48:50,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-12-07 19:48:50,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/1518ccacf/32f72a307f1946c7ba5dc3e91cfb5e50/FLAGa4a73a5e8 [2019-12-07 19:48:50,860 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:48:50,861 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-12-07 19:48:50,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/1518ccacf/32f72a307f1946c7ba5dc3e91cfb5e50/FLAGa4a73a5e8 [2019-12-07 19:48:50,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/data/1518ccacf/32f72a307f1946c7ba5dc3e91cfb5e50 [2019-12-07 19:48:50,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:48:50,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:48:50,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:48:50,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:48:50,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:48:50,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:48:50" (1/1) ... [2019-12-07 19:48:50,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:50, skipping insertion in model container [2019-12-07 19:48:50,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:48:50" (1/1) ... [2019-12-07 19:48:50,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:48:50,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:48:51,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:48:51,164 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:48:51,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:48:51,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:48:51,218 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:48:51,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:48:51,290 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:48:51,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51 WrapperNode [2019-12-07 19:48:51,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:48:51,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:48:51,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:48:51,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:48:51,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:48:51,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:48:51,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:48:51,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:48:51,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... [2019-12-07 19:48:51,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:48:51,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:48:51,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:48:51,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:48:51,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:48:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:48:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:48:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:48:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:48:52,185 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:48:52,185 INFO L287 CfgBuilder]: Removed 352 assume(true) statements. [2019-12-07 19:48:52,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:48:52 BoogieIcfgContainer [2019-12-07 19:48:52,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:48:52,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:48:52,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:48:52,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:48:52,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:48:50" (1/3) ... [2019-12-07 19:48:52,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a62a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:48:52, skipping insertion in model container [2019-12-07 19:48:52,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:48:51" (2/3) ... [2019-12-07 19:48:52,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a62a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:48:52, skipping insertion in model container [2019-12-07 19:48:52,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:48:52" (3/3) ... [2019-12-07 19:48:52,192 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-12-07 19:48:52,200 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:48:52,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:48:52,215 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:48:52,234 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:48:52,234 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:48:52,234 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:48:52,234 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:48:52,234 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:48:52,234 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:48:52,234 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:48:52,235 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:48:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 19:48:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 19:48:52,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:52,257 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:48:52,257 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:52,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:52,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2019-12-07 19:48:52,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:52,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293297190] [2019-12-07 19:48:52,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 19:48:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:52,412 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:48:52,416 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:52,429 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:52,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293297190] [2019-12-07 19:48:52,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:52,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:48:52,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779914310] [2019-12-07 19:48:52,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:48:52,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:52,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:48:52,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:48:52,453 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2019-12-07 19:48:52,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:52,489 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2019-12-07 19:48:52,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:48:52,490 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 19:48:52,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:52,502 INFO L225 Difference]: With dead ends: 448 [2019-12-07 19:48:52,502 INFO L226 Difference]: Without dead ends: 223 [2019-12-07 19:48:52,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:48:52,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-12-07 19:48:52,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-12-07 19:48:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-12-07 19:48:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2019-12-07 19:48:52,550 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2019-12-07 19:48:52,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:52,550 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2019-12-07 19:48:52,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:48:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2019-12-07 19:48:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 19:48:52,551 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:52,551 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:48:52,752 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:48:52,752 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:52,753 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2019-12-07 19:48:52,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:52,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873969589] [2019-12-07 19:48:52,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 19:48:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:52,868 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:48:52,870 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:52,888 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:52,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873969589] [2019-12-07 19:48:52,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:52,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:48:52,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909982206] [2019-12-07 19:48:52,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:48:52,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:52,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:48:52,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:48:52,904 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 4 states. [2019-12-07 19:48:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:52,926 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2019-12-07 19:48:52,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:48:52,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 19:48:52,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:52,929 INFO L225 Difference]: With dead ends: 223 [2019-12-07 19:48:52,929 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 19:48:52,930 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:48:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 19:48:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 19:48:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 19:48:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2019-12-07 19:48:52,939 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2019-12-07 19:48:52,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:52,940 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2019-12-07 19:48:52,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:48:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2019-12-07 19:48:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 19:48:52,941 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:52,941 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:48:53,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:48:53,143 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:53,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:53,144 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2019-12-07 19:48:53,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:53,147 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965222524] [2019-12-07 19:48:53,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 19:48:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:53,364 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:48:53,365 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:53,374 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:53,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965222524] [2019-12-07 19:48:53,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:53,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 19:48:53,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894869305] [2019-12-07 19:48:53,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:48:53,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:53,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:48:53,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:48:53,383 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 4 states. [2019-12-07 19:48:53,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:53,409 INFO L93 Difference]: Finished difference Result 266 states and 394 transitions. [2019-12-07 19:48:53,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:48:53,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 19:48:53,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:53,412 INFO L225 Difference]: With dead ends: 266 [2019-12-07 19:48:53,412 INFO L226 Difference]: Without dead ends: 187 [2019-12-07 19:48:53,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:48:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-12-07 19:48:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 104. [2019-12-07 19:48:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-12-07 19:48:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2019-12-07 19:48:53,428 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2019-12-07 19:48:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:53,429 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2019-12-07 19:48:53,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:48:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2019-12-07 19:48:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 19:48:53,430 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:53,431 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] [2019-12-07 19:48:53,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:48:53,631 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:53,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:53,632 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2019-12-07 19:48:53,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:53,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282207931] [2019-12-07 19:48:53,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 19:48:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:53,722 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:48:53,723 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:53,728 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:53,730 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282207931] [2019-12-07 19:48:53,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:53,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 19:48:53,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834375699] [2019-12-07 19:48:53,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:48:53,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:53,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:48:53,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:48:53,731 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand 3 states. [2019-12-07 19:48:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:53,810 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2019-12-07 19:48:53,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:48:53,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 19:48:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:53,812 INFO L225 Difference]: With dead ends: 208 [2019-12-07 19:48:53,812 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 19:48:53,813 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 19:48:53,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 19:48:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2019-12-07 19:48:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-12-07 19:48:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-12-07 19:48:53,824 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2019-12-07 19:48:53,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:53,825 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-12-07 19:48:53,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:48:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2019-12-07 19:48:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 19:48:53,826 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:53,826 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] [2019-12-07 19:48:54,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:48:54,028 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:54,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:54,029 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2019-12-07 19:48:54,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:54,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699084540] [2019-12-07 19:48:54,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 19:48:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:54,201 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:48:54,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:54,217 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:54,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699084540] [2019-12-07 19:48:54,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:54,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 19:48:54,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003317424] [2019-12-07 19:48:54,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:48:54,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:54,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:48:54,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:48:54,240 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 8 states. [2019-12-07 19:48:54,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:54,515 INFO L93 Difference]: Finished difference Result 823 states and 1190 transitions. [2019-12-07 19:48:54,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 19:48:54,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 19:48:54,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:54,519 INFO L225 Difference]: With dead ends: 823 [2019-12-07 19:48:54,519 INFO L226 Difference]: Without dead ends: 721 [2019-12-07 19:48:54,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 19:48:54,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-12-07 19:48:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 262. [2019-12-07 19:48:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-12-07 19:48:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2019-12-07 19:48:54,542 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 25 [2019-12-07 19:48:54,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:54,542 INFO L462 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2019-12-07 19:48:54,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:48:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2019-12-07 19:48:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 19:48:54,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:54,545 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] [2019-12-07 19:48:54,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:48:54,746 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:54,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:54,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2068693080, now seen corresponding path program 1 times [2019-12-07 19:48:54,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:54,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118783080] [2019-12-07 19:48:54,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 19:48:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:54,980 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 19:48:54,981 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:54,992 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:55,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118783080] [2019-12-07 19:48:55,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1938152059] [2019-12-07 19:48:55,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:48:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:55,099 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:48:55,101 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 19:48:55,126 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 19:48:55,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 19:48:55,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 19:48:55,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042333875] [2019-12-07 19:48:55,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:48:55,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:55,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:48:55,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:48:55,130 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand 5 states. [2019-12-07 19:48:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:55,299 INFO L93 Difference]: Finished difference Result 648 states and 914 transitions. [2019-12-07 19:48:55,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 19:48:55,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-12-07 19:48:55,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:55,302 INFO L225 Difference]: With dead ends: 648 [2019-12-07 19:48:55,302 INFO L226 Difference]: Without dead ends: 646 [2019-12-07 19:48:55,303 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 19:48:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2019-12-07 19:48:55,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 262. [2019-12-07 19:48:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-12-07 19:48:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 363 transitions. [2019-12-07 19:48:55,321 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 363 transitions. Word has length 40 [2019-12-07 19:48:55,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:55,321 INFO L462 AbstractCegarLoop]: Abstraction has 262 states and 363 transitions. [2019-12-07 19:48:55,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:48:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2019-12-07 19:48:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 19:48:55,323 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:55,323 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 19:48:55,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:48:55,725 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:55,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:55,726 INFO L82 PathProgramCache]: Analyzing trace with hash 354193207, now seen corresponding path program 1 times [2019-12-07 19:48:55,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:55,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508546671] [2019-12-07 19:48:55,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 19:48:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:55,853 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 19:48:55,854 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:55,866 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:55,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508546671] [2019-12-07 19:48:55,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [857880117] [2019-12-07 19:48:55,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:48:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:55,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:48:55,977 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:55,986 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:48:55,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 19:48:55,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2019-12-07 19:48:55,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858036243] [2019-12-07 19:48:55,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:48:55,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:55,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:48:55,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:48:55,990 INFO L87 Difference]: Start difference. First operand 262 states and 363 transitions. Second operand 3 states. [2019-12-07 19:48:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:56,121 INFO L93 Difference]: Finished difference Result 524 states and 726 transitions. [2019-12-07 19:48:56,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:48:56,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-07 19:48:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:56,122 INFO L225 Difference]: With dead ends: 524 [2019-12-07 19:48:56,122 INFO L226 Difference]: Without dead ends: 204 [2019-12-07 19:48:56,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:48:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-12-07 19:48:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2019-12-07 19:48:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 19:48:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2019-12-07 19:48:56,135 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 52 [2019-12-07 19:48:56,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:56,135 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2019-12-07 19:48:56,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:48:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2019-12-07 19:48:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 19:48:56,136 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:56,136 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 19:48:56,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:48:56,538 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:56,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1855386220, now seen corresponding path program 1 times [2019-12-07 19:48:56,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:56,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960462869] [2019-12-07 19:48:56,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 19:48:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:56,696 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 19:48:56,697 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 19:48:56,707 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 19:48:56,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960462869] [2019-12-07 19:48:56,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:56,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 19:48:56,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537499036] [2019-12-07 19:48:56,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 19:48:56,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:56,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 19:48:56,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 19:48:56,729 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 6 states. [2019-12-07 19:48:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:57,036 INFO L93 Difference]: Finished difference Result 607 states and 835 transitions. [2019-12-07 19:48:57,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 19:48:57,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-07 19:48:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:57,039 INFO L225 Difference]: With dead ends: 607 [2019-12-07 19:48:57,039 INFO L226 Difference]: Without dead ends: 453 [2019-12-07 19:48:57,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 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 19:48:57,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-12-07 19:48:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 365. [2019-12-07 19:48:57,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-12-07 19:48:57,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 489 transitions. [2019-12-07 19:48:57,074 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 489 transitions. Word has length 58 [2019-12-07 19:48:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:57,074 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 489 transitions. [2019-12-07 19:48:57,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 19:48:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 489 transitions. [2019-12-07 19:48:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 19:48:57,076 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:57,076 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-12-07 19:48:57,278 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 19:48:57,278 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:57,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:57,279 INFO L82 PathProgramCache]: Analyzing trace with hash 892761924, now seen corresponding path program 1 times [2019-12-07 19:48:57,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:57,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222168570] [2019-12-07 19:48:57,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 19:48:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:57,385 INFO L264 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:48:57,387 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 19:48:57,401 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 19:48:57,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222168570] [2019-12-07 19:48:57,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:57,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:48:57,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144990933] [2019-12-07 19:48:57,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:48:57,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:57,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:48:57,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:48:57,409 INFO L87 Difference]: Start difference. First operand 365 states and 489 transitions. Second operand 5 states. [2019-12-07 19:48:57,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:57,509 INFO L93 Difference]: Finished difference Result 948 states and 1253 transitions. [2019-12-07 19:48:57,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 19:48:57,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-12-07 19:48:57,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:57,512 INFO L225 Difference]: With dead ends: 948 [2019-12-07 19:48:57,512 INFO L226 Difference]: Without dead ends: 589 [2019-12-07 19:48:57,513 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 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 19:48:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-12-07 19:48:57,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 398. [2019-12-07 19:48:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-12-07 19:48:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 522 transitions. [2019-12-07 19:48:57,534 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 522 transitions. Word has length 59 [2019-12-07 19:48:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:57,535 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 522 transitions. [2019-12-07 19:48:57,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:48:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 522 transitions. [2019-12-07 19:48:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 19:48:57,536 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:57,536 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-12-07 19:48:57,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 19:48:57,737 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:57,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:57,737 INFO L82 PathProgramCache]: Analyzing trace with hash -136597374, now seen corresponding path program 1 times [2019-12-07 19:48:57,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:57,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615280961] [2019-12-07 19:48:57,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/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 19:48:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:57,849 INFO L264 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:48:57,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 19:48:57,860 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 19:48:57,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615280961] [2019-12-07 19:48:57,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:48:57,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 19:48:57,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651542664] [2019-12-07 19:48:57,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 19:48:57,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:57,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 19:48:57,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 19:48:57,874 INFO L87 Difference]: Start difference. First operand 398 states and 522 transitions. Second operand 6 states. [2019-12-07 19:48:57,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:48:57,943 INFO L93 Difference]: Finished difference Result 851 states and 1109 transitions. [2019-12-07 19:48:57,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:48:57,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-07 19:48:57,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:48:57,945 INFO L225 Difference]: With dead ends: 851 [2019-12-07 19:48:57,945 INFO L226 Difference]: Without dead ends: 459 [2019-12-07 19:48:57,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 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 19:48:57,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-12-07 19:48:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 342. [2019-12-07 19:48:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-12-07 19:48:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2019-12-07 19:48:57,963 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 59 [2019-12-07 19:48:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:48:57,964 INFO L462 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2019-12-07 19:48:57,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 19:48:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2019-12-07 19:48:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 19:48:57,964 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:48:57,964 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:48:58,165 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 19:48:58,165 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:48:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:48:58,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2019-12-07 19:48:58,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:48:58,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593668740] [2019-12-07 19:48:58,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 19:48:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:58,266 INFO L264 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 19:48:58,267 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:48:58,286 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:58,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:48:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:48:58,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593668740] [2019-12-07 19:48:58,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1690024802] [2019-12-07 19:48:58,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:48:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:58,412 INFO L264 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 19:48:58,414 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:48:58,437 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:48:58,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700927690] [2019-12-07 19:48:58,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 19:48:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:48:58,579 INFO L264 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 19:48:58,580 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:48:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:48:58,585 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:48:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:48:58,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 19:48:58,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2019-12-07 19:48:58,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707371493] [2019-12-07 19:48:58,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 19:48:58,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:48:58,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 19:48:58,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 19:48:58,593 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand 12 states. [2019-12-07 19:49:00,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:00,202 INFO L93 Difference]: Finished difference Result 2915 states and 3734 transitions. [2019-12-07 19:49:00,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-12-07 19:49:00,202 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2019-12-07 19:49:00,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:00,211 INFO L225 Difference]: With dead ends: 2915 [2019-12-07 19:49:00,211 INFO L226 Difference]: Without dead ends: 2603 [2019-12-07 19:49:00,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1005, Invalid=4251, Unknown=0, NotChecked=0, Total=5256 [2019-12-07 19:49:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2019-12-07 19:49:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 544. [2019-12-07 19:49:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-12-07 19:49:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 700 transitions. [2019-12-07 19:49:00,255 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 700 transitions. Word has length 60 [2019-12-07 19:49:00,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:00,256 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 700 transitions. [2019-12-07 19:49:00,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 19:49:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 700 transitions. [2019-12-07 19:49:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-07 19:49:00,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:49:00,257 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:49:00,858 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:49:00,858 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:49:00,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:49:00,859 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2019-12-07 19:49:00,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:49:00,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167500146] [2019-12-07 19:49:00,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-12-07 19:49:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:49:01,027 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:49:01,028 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:49:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 19:49:01,042 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:49:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 19:49:01,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167500146] [2019-12-07 19:49:01,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:49:01,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 19:49:01,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817222617] [2019-12-07 19:49:01,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:49:01,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:49:01,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:49:01,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:49:01,061 INFO L87 Difference]: Start difference. First operand 544 states and 700 transitions. Second operand 8 states. [2019-12-07 19:49:01,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:49:01,104 INFO L93 Difference]: Finished difference Result 745 states and 947 transitions. [2019-12-07 19:49:01,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:49:01,104 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-12-07 19:49:01,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:49:01,104 INFO L225 Difference]: With dead ends: 745 [2019-12-07 19:49:01,105 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:49:01,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 19:49:01,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:49:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:49:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:49:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:49:01,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-12-07 19:49:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:49:01,106 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:49:01,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:49:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:49:01,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:49:01,306 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-12-07 19:49:01,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:49:01,463 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-12-07 19:49:02,273 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 28 [2019-12-07 19:49:02,375 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2019-12-07 19:49:02,752 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 31 [2019-12-07 19:49:03,466 WARN L192 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2019-12-07 19:49:04,305 WARN L192 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2019-12-07 19:49:04,807 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2019-12-07 19:49:04,928 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 15 [2019-12-07 19:49:05,362 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 24 [2019-12-07 19:49:05,482 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 15 [2019-12-07 19:49:06,252 WARN L192 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 35 [2019-12-07 19:49:06,962 WARN L192 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 28 [2019-12-07 19:49:07,674 WARN L192 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-12-07 19:49:07,683 INFO L246 CegarLoopResult]: For program point L763-3(lines 763 771) no Hoare annotation was computed. [2019-12-07 19:49:07,684 INFO L246 CegarLoopResult]: For program point L763-4(lines 763 771) no Hoare annotation was computed. [2019-12-07 19:49:07,684 INFO L246 CegarLoopResult]: For program point L763-5(lines 763 771) no Hoare annotation was computed. [2019-12-07 19:49:07,684 INFO L242 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse0 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse1 .cse2)))) [2019-12-07 19:49:07,684 INFO L246 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 19:49:07,684 INFO L242 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-12-07 19:49:07,684 INFO L242 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-12-07 19:49:07,684 INFO L249 CegarLoopResult]: At program point L505(lines 486 508) the Hoare annotation is: true [2019-12-07 19:49:07,684 INFO L246 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2019-12-07 19:49:07,684 INFO L242 CegarLoopResult]: At program point L969-1(lines 969 975) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse1 .cse3 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-5(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-8(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-9(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-11(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-12(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-14(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-15(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-17(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-18(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-20(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-21(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-23(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-24(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-26(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-27(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,685 INFO L246 CegarLoopResult]: For program point L904-29(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,686 INFO L246 CegarLoopResult]: For program point L904-30(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,686 INFO L246 CegarLoopResult]: For program point L904-32(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,686 INFO L246 CegarLoopResult]: For program point L904-33(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,686 INFO L246 CegarLoopResult]: For program point L904-35(lines 904 908) no Hoare annotation was computed. [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (not .cse4)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse1 .cse4 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)))) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3)))) [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910-1(lines 895 913) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910-2(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910-3(lines 895 913) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)))))) [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910-4(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910-5(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,686 INFO L242 CegarLoopResult]: At program point L910-6(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L910-7(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L910-8(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L910-9(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L910-10(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L910-11(lines 895 913) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846(lines 839 849) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-1(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-2(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-3(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-4(lines 839 849) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-5(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-6(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-7(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-8(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-9(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-10(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-11(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,687 INFO L242 CegarLoopResult]: At program point L846-12(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L846-13(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L846-14(lines 839 849) the Hoare annotation is: false [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L979-1(lines 979 985) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse1 .cse3 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L785-1(lines 785 802) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L785-2(lines 785 802) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L654(lines 649 657) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and .cse2 .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|))))) [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2019-12-07 19:49:07,688 INFO L246 CegarLoopResult]: For program point L789(lines 789 797) no Hoare annotation was computed. [2019-12-07 19:49:07,688 INFO L242 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L789-1(lines 789 797) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-5(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-8(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-9(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-11(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-12(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-14(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-15(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L923-17(lines 923 927) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,689 INFO L246 CegarLoopResult]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-6(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-7(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-8(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-9(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-10(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L662-11(lines 662 668) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L242 CegarLoopResult]: At program point L532(lines 1 1014) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:49:07,690 INFO L246 CegarLoopResult]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2019-12-07 19:49:07,690 INFO L242 CegarLoopResult]: At program point L995-1(lines 701 707) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse1 .cse3 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 19:49:07,690 INFO L242 CegarLoopResult]: At program point L929(lines 914 932) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 19:49:07,690 INFO L242 CegarLoopResult]: At program point L929-1(lines 914 932) the Hoare annotation is: false [2019-12-07 19:49:07,690 INFO L242 CegarLoopResult]: At program point L929-2(lines 914 932) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L929-3(lines 914 932) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L929-4(lines 914 932) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L929-5(lines 914 932) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L667(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L667-1(lines 658 671) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L667-3(lines 658 671) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-6(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,691 INFO L246 CegarLoopResult]: For program point L733-7(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,691 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:49:07,692 INFO L242 CegarLoopResult]: At program point L667-6(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L733-8(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L242 CegarLoopResult]: At program point L667-7(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L733-9(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L242 CegarLoopResult]: At program point L667-8(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L733-10(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L242 CegarLoopResult]: At program point L667-9(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L733-11(lines 733 750) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L242 CegarLoopResult]: At program point L667-10(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,692 INFO L242 CegarLoopResult]: At program point L667-11(lines 658 671) the Hoare annotation is: false [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-6(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,692 INFO L246 CegarLoopResult]: For program point L737-7(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point L737-8(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point L737-9(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point L737-10(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point L737-11(lines 737 745) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L937-1(lines 937 943) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L1007(lines 958 1008) the Hoare annotation is: false [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L677(lines 672 680) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L677-3(lines 672 680) the Hoare annotation is: false [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L677-4(lines 672 680) the Hoare annotation is: false [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L677-5(lines 672 680) the Hoare annotation is: false [2019-12-07 19:49:07,693 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:49:07,693 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L686-2(line 686) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L422-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L242 CegarLoopResult]: At program point L622(lines 617 625) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 19:49:07,694 INFO L242 CegarLoopResult]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,694 INFO L242 CegarLoopResult]: At program point L622-2(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,694 INFO L246 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-12-07 19:49:07,694 INFO L242 CegarLoopResult]: At program point L622-3(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,694 INFO L242 CegarLoopResult]: At program point L556-1(lines 1 1014) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (not .cse1)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse3 .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 19:49:07,694 INFO L242 CegarLoopResult]: At program point L622-4(lines 617 625) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:49:07,695 INFO L246 CegarLoopResult]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-5(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L556-3(lines 1 1014) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-6(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L246 CegarLoopResult]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-7(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L556-5(lines 1 1014) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-8(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-9(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-10(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-11(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-12(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-13(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,695 INFO L242 CegarLoopResult]: At program point L622-14(lines 617 625) the Hoare annotation is: false [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-2(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-4(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-6(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-8(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-10(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-12(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-14(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-16(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-18(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,696 INFO L246 CegarLoopResult]: For program point L821-20(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L821-22(lines 821 827) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L759-3(lines 759 776) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L759-4(lines 759 776) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L759-5(lines 759 776) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L246 CegarLoopResult]: For program point L496(lines 496 503) no Hoare annotation was computed. [2019-12-07 19:49:07,697 INFO L249 CegarLoopResult]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2019-12-07 19:49:07,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:49:07 BoogieIcfgContainer [2019-12-07 19:49:07,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:49:07,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:49:07,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:49:07,726 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:49:07,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:48:52" (3/4) ... [2019-12-07 19:49:07,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:49:07,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:49:07,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:49:07,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:49:07,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:49:07,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:49:07,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:49:07,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:49:07,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32))) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 19:49:07,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 19:49:07,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 19:49:07,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 19:49:07,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 19:49:07,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) [2019-12-07 19:49:07,791 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 19:49:07,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 19:49:07,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 19:49:07,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(tmp == 0bv32) [2019-12-07 19:49:07,884 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2e5667c-e7a0-4cde-a888-53e3af9e1084/bin/utaipan/witness.graphml [2019-12-07 19:49:07,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:49:07,885 INFO L168 Benchmark]: Toolchain (without parser) took 17004.16 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.9 MB). Free memory was 948.4 MB in the beginning and 1.4 GB in the end (delta: -448.9 MB). Peak memory consumption was 490.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,885 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:49:07,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,886 INFO L168 Benchmark]: Boogie Preprocessor took 56.05 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,886 INFO L168 Benchmark]: RCFGBuilder took 779.55 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: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,886 INFO L168 Benchmark]: TraceAbstraction took 15538.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 208.7 MB). Free memory was 1.0 GB in the beginning and 833.0 MB in the end (delta: 170.9 MB). Peak memory consumption was 396.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,887 INFO L168 Benchmark]: Witness Printer took 158.22 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 48.2 MB). Free memory was 833.0 MB in the beginning and 1.4 GB in the end (delta: -564.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:49:07,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.05 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 779.55 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: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15538.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 208.7 MB). Free memory was 1.0 GB in the beginning and 833.0 MB in the end (delta: 170.9 MB). Peak memory consumption was 396.2 MB. Max. memory is 11.5 GB. * Witness Printer took 158.22 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 48.2 MB). Free memory was 833.0 MB in the beginning and 1.4 GB in the end (delta: -564.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: 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: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32))) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, HoareTripleCheckerStatistics: 2081 SDtfs, 5127 SDslu, 5558 SDs, 0 SdLazy, 958 SolverSat, 213 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1515 GetRequests, 1386 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1954 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 3383 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 199 NumberOfFragments, 832 HoareAnnotationTreeSize, 92 FomulaSimplifications, 64221 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 92 FomulaSimplificationsInter, 536863 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1428 ConstructedInterpolants, 0 QuantifiedInterpolants, 170266 SizeOfPredicates, 33 NumberOfNonLiveVariables, 3453 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 336/404 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...