./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.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_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ...................................................................................................................................... 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_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:25:23,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:25:23,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:25:23,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:25:23,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:25:23,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:25:23,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:25:23,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:25:23,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:25:23,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:25:23,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:25:23,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:25:23,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:25:23,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:25:23,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:25:23,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:25:23,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:25:23,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:25:23,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:25:23,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:25:23,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:25:23,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:25:23,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:25:23,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:25:23,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:25:23,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:25:23,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:25:23,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:25:23,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:25:23,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:25:23,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:25:23,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:25:23,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:25:23,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:25:23,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:25:23,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:25:23,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:25:23,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:25:23,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:25:23,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:25:23,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:25:23,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:25:23,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:25:23,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:25:23,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:25:23,971 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:25:23,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:25:23,971 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:25:23,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:25:23,971 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:25:23,971 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:25:23,971 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:25:23,972 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:25:23,972 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:25:23,972 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:25:23,972 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:25:23,972 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:25:23,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:25:23,973 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:25:23,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:25:23,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:25:23,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:25:23,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:25:23,975 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_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2019-12-07 11:25:24,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:25:24,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:25:24,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:25:24,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:25:24,090 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:25:24,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-12-07 11:25:24,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/072f3be26/cd82a568ed784e09a319c6a631002395/FLAG84f9fc4c8 [2019-12-07 11:25:24,582 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:25:24,583 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-12-07 11:25:24,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/072f3be26/cd82a568ed784e09a319c6a631002395/FLAG84f9fc4c8 [2019-12-07 11:25:24,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/072f3be26/cd82a568ed784e09a319c6a631002395 [2019-12-07 11:25:24,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:25:24,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:25:24,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:25:24,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:25:24,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:25:24,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24, skipping insertion in model container [2019-12-07 11:25:24,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:25:24,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:25:24,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:25:24,861 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 11:25:24,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e9316e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24, skipping insertion in model container [2019-12-07 11:25:24,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:25:24,862 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:25:24,863 INFO L168 Benchmark]: Toolchain (without parser) took 261.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:24,864 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:25:24,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:24,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 617]: 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 11:25:26,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:25:26,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:25:26,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:25:26,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:25:26,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:25:26,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:25:26,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:25:26,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:25:26,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:25:26,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:25:26,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:25:26,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:25:26,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:25:26,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:25:26,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:25:26,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:25:26,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:25:26,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:25:26,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:25:26,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:25:26,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:25:26,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:25:26,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:25:26,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:25:26,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:25:26,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:25:26,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:25:26,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:25:26,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:25:26,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:25:26,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:25:26,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:25:26,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:25:26,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:25:26,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:25:26,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:25:26,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:25:26,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:25:26,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:25:26,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:25:26,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:25:26,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:25:26,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:25:26,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:25:26,054 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:25:26,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:25:26,054 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:25:26,054 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:25:26,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:25:26,055 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:25:26,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:25:26,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:25:26,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:25:26,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:25:26,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:25:26,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:25:26,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:25:26,057 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:25:26,057 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:25:26,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:25:26,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:25:26,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:25:26,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:25:26,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:25:26,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:25:26,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:25:26,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:25:26,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:25:26,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:25:26,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:25:26,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:25:26,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:25:26,060 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:25:26,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:25:26,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:25:26,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:25:26,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:25:26,061 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_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2019-12-07 11:25:26,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:25:26,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:25:26,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:25:26,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:25:26,243 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:25:26,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-12-07 11:25:26,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/7026f0d94/c423dc5398a744ee8b64d1b9800c48c2/FLAG98af346cf [2019-12-07 11:25:26,660 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:25:26,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-12-07 11:25:26,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/7026f0d94/c423dc5398a744ee8b64d1b9800c48c2/FLAG98af346cf [2019-12-07 11:25:26,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/data/7026f0d94/c423dc5398a744ee8b64d1b9800c48c2 [2019-12-07 11:25:26,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:25:26,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:25:26,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:25:26,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:25:26,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:25:26,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:25:26" (1/1) ... [2019-12-07 11:25:26,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:26, skipping insertion in model container [2019-12-07 11:25:26,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:25:26" (1/1) ... [2019-12-07 11:25:26,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:25:26,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:25:26,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:25:26,966 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:25:26,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:25:27,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:25:27,020 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:25:27,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:25:27,087 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:25:27,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27 WrapperNode [2019-12-07 11:25:27,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:25:27,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:25:27,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:25:27,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:25:27,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:25:27,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:25:27,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:25:27,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:25:27,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... [2019-12-07 11:25:27,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:25:27,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:25:27,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:25:27,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:25:27,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:25:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 11:25:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:25:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:25:27,718 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:25:27,718 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 11:25:27,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:25:27 BoogieIcfgContainer [2019-12-07 11:25:27,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:25:27,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:25:27,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:25:27,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:25:27,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:25:26" (1/3) ... [2019-12-07 11:25:27,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1713e336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:25:27, skipping insertion in model container [2019-12-07 11:25:27,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:27" (2/3) ... [2019-12-07 11:25:27,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1713e336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:25:27, skipping insertion in model container [2019-12-07 11:25:27,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:25:27" (3/3) ... [2019-12-07 11:25:27,725 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-12-07 11:25:27,732 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:25:27,737 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:25:27,745 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:25:27,762 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:25:27,762 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:25:27,762 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:25:27,762 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:25:27,762 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:25:27,762 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:25:27,762 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:25:27,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:25:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 11:25:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:25:27,779 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:27,779 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:25:27,780 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2019-12-07 11:25:27,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:27,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237993355] [2019-12-07 11:25:27,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:27,920 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:25:27,923 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:27,933 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 11:25:27,933 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:27,937 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 11:25:27,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237993355] [2019-12-07 11:25:27,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:27,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:25:27,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569584163] [2019-12-07 11:25:27,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:25:27,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:27,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:25:27,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:25:27,952 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 11:25:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:27,974 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-12-07 11:25:27,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:25:27,975 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 11:25:27,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:27,983 INFO L225 Difference]: With dead ends: 228 [2019-12-07 11:25:27,983 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 11:25:27,985 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 11:25:27,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 11:25:28,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 11:25:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 11:25:28,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-12-07 11:25:28,015 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-12-07 11:25:28,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:28,016 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-12-07 11:25:28,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:25:28,016 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-12-07 11:25:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 11:25:28,017 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:28,017 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 11:25:28,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:25:28,218 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:28,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:28,219 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2019-12-07 11:25:28,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:28,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030586476] [2019-12-07 11:25:28,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:28,425 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:25:28,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:28,439 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 11:25:28,439 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:28,448 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 11:25:28,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030586476] [2019-12-07 11:25:28,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:28,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:25:28,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158758847] [2019-12-07 11:25:28,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:25:28,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:28,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:25:28,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:25:28,450 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 4 states. [2019-12-07 11:25:28,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:28,462 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-12-07 11:25:28,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:25:28,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 11:25:28,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:28,463 INFO L225 Difference]: With dead ends: 113 [2019-12-07 11:25:28,464 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 11:25:28,464 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 11:25:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 11:25:28,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 11:25:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 11:25:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 11:25:28,469 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-12-07 11:25:28,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:28,469 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 11:25:28,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:25:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 11:25:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:25:28,470 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:28,470 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 11:25:28,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:25:28,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:28,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2019-12-07 11:25:28,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:28,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118923118] [2019-12-07 11:25:28,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:28,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:25:28,857 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:28,866 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 11:25:28,867 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:28,874 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 11:25:28,874 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118923118] [2019-12-07 11:25:28,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:28,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 11:25:28,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734559248] [2019-12-07 11:25:28,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:25:28,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:28,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:25:28,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:25:28,875 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 4 states. [2019-12-07 11:25:28,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:28,882 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-12-07 11:25:28,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:25:28,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 11:25:28,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:28,883 INFO L225 Difference]: With dead ends: 88 [2019-12-07 11:25:28,884 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 11:25:28,884 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 11:25:28,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 11:25:28,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 11:25:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 11:25:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 11:25:28,889 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-12-07 11:25:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:28,889 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 11:25:28,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:25:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 11:25:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 11:25:28,890 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:28,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:25:29,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:25:29,091 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:29,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:29,092 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2019-12-07 11:25:29,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:29,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410783495] [2019-12-07 11:25:29,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:29,280 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:25:29,281 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:25:29,293 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:29,294 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 11:25:29,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410783495] [2019-12-07 11:25:29,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:29,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 11:25:29,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325793423] [2019-12-07 11:25:29,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:25:29,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:29,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:25:29,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:25:29,296 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 11:25:29,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:29,345 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-12-07 11:25:29,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:25:29,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 11:25:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:29,346 INFO L225 Difference]: With dead ends: 109 [2019-12-07 11:25:29,346 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 11:25:29,347 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 11:25:29,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 11:25:29,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-12-07 11:25:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 11:25:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-12-07 11:25:29,353 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-12-07 11:25:29,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:29,353 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-12-07 11:25:29,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:25:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-12-07 11:25:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 11:25:29,355 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:29,355 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:25:29,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:25:29,556 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:29,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:29,556 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2019-12-07 11:25:29,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:29,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562850365] [2019-12-07 11:25:29,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:29,684 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:25:29,685 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:25:29,697 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:29,704 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 11:25:29,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562850365] [2019-12-07 11:25:29,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:29,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 11:25:29,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932874167] [2019-12-07 11:25:29,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:25:29,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:29,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:25:29,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:25:29,705 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-12-07 11:25:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:29,750 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-12-07 11:25:29,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:25:29,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 11:25:29,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:29,751 INFO L225 Difference]: With dead ends: 175 [2019-12-07 11:25:29,751 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 11:25:29,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 11:25:29,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 11:25:29,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-12-07 11:25:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 11:25:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-12-07 11:25:29,759 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-12-07 11:25:29,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:29,760 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-12-07 11:25:29,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:25:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-12-07 11:25:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 11:25:29,761 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:29,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:25:29,961 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 11:25:29,963 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:29,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:29,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2019-12-07 11:25:29,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:29,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187352202] [2019-12-07 11:25:29,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:30,107 INFO L264 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:25:30,108 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:30,124 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 11:25:30,124 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:30,148 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 11:25:30,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187352202] [2019-12-07 11:25:30,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:30,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 11:25:30,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026181841] [2019-12-07 11:25:30,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:25:30,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:30,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:25:30,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:25:30,150 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 8 states. [2019-12-07 11:25:30,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:30,397 INFO L93 Difference]: Finished difference Result 536 states and 758 transitions. [2019-12-07 11:25:30,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 11:25:30,398 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-12-07 11:25:30,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:30,400 INFO L225 Difference]: With dead ends: 536 [2019-12-07 11:25:30,400 INFO L226 Difference]: Without dead ends: 470 [2019-12-07 11:25:30,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 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 11:25:30,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-12-07 11:25:30,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2019-12-07 11:25:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-12-07 11:25:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2019-12-07 11:25:30,416 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2019-12-07 11:25:30,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:30,416 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2019-12-07 11:25:30,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:25:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2019-12-07 11:25:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 11:25:30,418 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:30,418 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] [2019-12-07 11:25:30,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 11:25:30,619 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:30,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:30,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1478686347, now seen corresponding path program 1 times [2019-12-07 11:25:30,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:30,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447662105] [2019-12-07 11:25:30,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 11:25:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:30,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:25:30,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:30,780 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 11:25:30,780 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:30,791 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 11:25:30,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447662105] [2019-12-07 11:25:30,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:30,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 11:25:30,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359362054] [2019-12-07 11:25:30,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:25:30,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:30,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:25:30,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:25:30,792 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2019-12-07 11:25:30,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:30,838 INFO L93 Difference]: Finished difference Result 407 states and 551 transitions. [2019-12-07 11:25:30,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:25:30,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-12-07 11:25:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:30,840 INFO L225 Difference]: With dead ends: 407 [2019-12-07 11:25:30,840 INFO L226 Difference]: Without dead ends: 240 [2019-12-07 11:25:30,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 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 11:25:30,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-12-07 11:25:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2019-12-07 11:25:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 11:25:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2019-12-07 11:25:30,850 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2019-12-07 11:25:30,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:30,851 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2019-12-07 11:25:30,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:25:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2019-12-07 11:25:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 11:25:30,852 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:30,852 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] [2019-12-07 11:25:31,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 11:25:31,053 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:31,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:31,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1506097615, now seen corresponding path program 1 times [2019-12-07 11:25:31,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:31,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124248044] [2019-12-07 11:25:31,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:31,183 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:25:31,185 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:31,206 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 11:25:31,206 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:31,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:25:31,224 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 11:25:31,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124248044] [2019-12-07 11:25:31,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1418287541] [2019-12-07 11:25:31,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:31,314 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:25:31,315 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:25:31,339 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:25:31,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:25:31,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2019-12-07 11:25:31,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954803013] [2019-12-07 11:25:31,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:25:31,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:31,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:25:31,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:25:31,343 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand 5 states. [2019-12-07 11:25:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:31,404 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2019-12-07 11:25:31,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:25:31,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 11:25:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:31,407 INFO L225 Difference]: With dead ends: 514 [2019-12-07 11:25:31,407 INFO L226 Difference]: Without dead ends: 392 [2019-12-07 11:25:31,408 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:25:31,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-12-07 11:25:31,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2019-12-07 11:25:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 11:25:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2019-12-07 11:25:31,425 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2019-12-07 11:25:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:31,425 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2019-12-07 11:25:31,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:25:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2019-12-07 11:25:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 11:25:31,427 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:31,427 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] [2019-12-07 11:25:31,827 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 11:25:31,828 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:31,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1899124625, now seen corresponding path program 1 times [2019-12-07 11:25:31,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:31,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383273359] [2019-12-07 11:25:31,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:31,941 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:25:31,943 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:31,966 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 11:25:31,966 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:32,003 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 11:25:32,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383273359] [2019-12-07 11:25:32,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1837492378] [2019-12-07 11:25:32,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 11:25:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:32,094 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:25:32,096 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:25:32,127 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:25:32,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:25:32,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2019-12-07 11:25:32,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473861954] [2019-12-07 11:25:32,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:25:32,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:32,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:25:32,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:25:32,131 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand 5 states. [2019-12-07 11:25:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:32,284 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2019-12-07 11:25:32,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:25:32,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 11:25:32,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:32,286 INFO L225 Difference]: With dead ends: 414 [2019-12-07 11:25:32,286 INFO L226 Difference]: Without dead ends: 412 [2019-12-07 11:25:32,287 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-12-07 11:25:32,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-12-07 11:25:32,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2019-12-07 11:25:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 11:25:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2019-12-07 11:25:32,298 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2019-12-07 11:25:32,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:32,298 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2019-12-07 11:25:32,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:25:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2019-12-07 11:25:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 11:25:32,299 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:32,299 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] [2019-12-07 11:25:32,700 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 mathsat -unsat_core_generation=3 [2019-12-07 11:25:32,701 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:32,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:32,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2019-12-07 11:25:32,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:32,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782265826] [2019-12-07 11:25:32,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/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 11:25:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:32,830 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:25:32,832 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:32,850 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 11:25:32,850 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:32,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:25:32,872 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 11:25:32,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782265826] [2019-12-07 11:25:32,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1145007011] [2019-12-07 11:25:32,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 11:25:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:32,968 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 11:25:32,969 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:32,994 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 11:25:32,995 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:33,018 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 11:25:33,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531352297] [2019-12-07 11:25:33,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:25:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:33,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:25:33,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:33,154 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 11:25:33,154 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:33,159 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 11:25:33,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 11:25:33,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2019-12-07 11:25:33,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163114104] [2019-12-07 11:25:33,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 11:25:33,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:33,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 11:25:33,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:25:33,160 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 12 states. [2019-12-07 11:25:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:34,635 INFO L93 Difference]: Finished difference Result 1838 states and 2480 transitions. [2019-12-07 11:25:34,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-12-07 11:25:34,636 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2019-12-07 11:25:34,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:34,645 INFO L225 Difference]: With dead ends: 1838 [2019-12-07 11:25:34,645 INFO L226 Difference]: Without dead ends: 1710 [2019-12-07 11:25:34,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 293 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2028 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2019-12-07 11:25:34,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2019-12-07 11:25:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 280. [2019-12-07 11:25:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-12-07 11:25:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 374 transitions. [2019-12-07 11:25:34,684 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 374 transitions. Word has length 52 [2019-12-07 11:25:34,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:34,684 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 374 transitions. [2019-12-07 11:25:34,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 11:25:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 374 transitions. [2019-12-07 11:25:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 11:25:34,685 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:25:34,685 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, 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 11:25:35,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:25:35,288 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:25:35,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:35,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2019-12-07 11:25:35,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:25:35,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834041513] [2019-12-07 11:25:35,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 11:25:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:35,430 INFO L264 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:25:35,431 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 11:25:35,444 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:25:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 11:25:35,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834041513] [2019-12-07 11:25:35,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:25:35,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 11:25:35,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561780889] [2019-12-07 11:25:35,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:25:35,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:25:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:25:35,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:25:35,463 INFO L87 Difference]: Start difference. First operand 280 states and 374 transitions. Second operand 8 states. [2019-12-07 11:25:35,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:25:35,503 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2019-12-07 11:25:35,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:25:35,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2019-12-07 11:25:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:25:35,504 INFO L225 Difference]: With dead ends: 447 [2019-12-07 11:25:35,504 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:25:35,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 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 11:25:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:25:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:25:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:25:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:25:35,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-12-07 11:25:35,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:25:35,506 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:25:35,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:25:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:25:35,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:25:35,707 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 11:25:35,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:25:35,985 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 120 [2019-12-07 11:25:36,975 WARN L192 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 27 [2019-12-07 11:25:37,241 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 22 [2019-12-07 11:25:37,813 WARN L192 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 27 [2019-12-07 11:25:38,343 WARN L192 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 26 [2019-12-07 11:25:38,698 WARN L192 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-12-07 11:25:39,276 WARN L192 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2019-12-07 11:25:39,656 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-12-07 11:25:40,366 WARN L192 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2019-12-07 11:25:40,370 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 11:25:40,371 INFO L246 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,371 INFO L246 CegarLoopResult]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,371 INFO L246 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,371 INFO L246 CegarLoopResult]: For program point L433-5(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,371 INFO L246 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,371 INFO L246 CegarLoopResult]: For program point L433-8(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L433-9(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L433-11(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L433-12(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L433-14(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L433-15(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L433-17(lines 433 437) no Hoare annotation was computed. [2019-12-07 11:25:40,372 INFO L246 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-12-07 11:25:40,373 INFO L246 CegarLoopResult]: For program point L335-1(lines 335 343) no Hoare annotation was computed. [2019-12-07 11:25:40,373 INFO L246 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2019-12-07 11:25:40,373 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-12-07 11:25:40,373 INFO L246 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2019-12-07 11:25:40,373 INFO L246 CegarLoopResult]: For program point L305(lines 305 322) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L305-1(lines 305 322) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L305-2(lines 305 322) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L305-3(lines 305 322) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L305-4(lines 305 322) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:25:40,374 INFO L246 CegarLoopResult]: For program point L305-5(lines 305 322) no Hoare annotation was computed. [2019-12-07 11:25:40,375 INFO L246 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:25:40,375 INFO L246 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:25:40,375 INFO L246 CegarLoopResult]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:25:40,375 INFO L246 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:25:40,375 INFO L246 CegarLoopResult]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:25:40,376 INFO L242 CegarLoopResult]: At program point L273(lines 272 291) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 11:25:40,376 INFO L246 CegarLoopResult]: For program point L273-1(lines 273 279) no Hoare annotation was computed. [2019-12-07 11:25:40,376 INFO L242 CegarLoopResult]: At program point L273-2(lines 272 291) the Hoare annotation is: false [2019-12-07 11:25:40,376 INFO L242 CegarLoopResult]: At program point L273-3(lines 272 291) the Hoare annotation is: false [2019-12-07 11:25:40,377 INFO L246 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2019-12-07 11:25:40,377 INFO L246 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-12-07 11:25:40,377 INFO L242 CegarLoopResult]: At program point L571-1(lines 1 953) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .cse1) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 11:25:40,377 INFO L246 CegarLoopResult]: For program point L571-2(lines 571 584) no Hoare annotation was computed. [2019-12-07 11:25:40,377 INFO L242 CegarLoopResult]: At program point L571-3(lines 1 953) the Hoare annotation is: false [2019-12-07 11:25:40,378 INFO L242 CegarLoopResult]: At program point L439(lines 424 442) the Hoare annotation is: false [2019-12-07 11:25:40,378 INFO L246 CegarLoopResult]: For program point L571-4(lines 571 584) no Hoare annotation was computed. [2019-12-07 11:25:40,378 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 11:25:40,378 INFO L242 CegarLoopResult]: At program point L439-1(lines 424 442) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.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|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse2))) [2019-12-07 11:25:40,379 INFO L242 CegarLoopResult]: At program point L571-5(lines 1 953) the Hoare annotation is: false [2019-12-07 11:25:40,379 INFO L242 CegarLoopResult]: At program point L439-2(lines 424 442) the Hoare annotation is: false [2019-12-07 11:25:40,379 INFO L242 CegarLoopResult]: At program point L439-3(lines 424 442) the Hoare annotation is: false [2019-12-07 11:25:40,379 INFO L242 CegarLoopResult]: At program point L439-4(lines 424 442) the Hoare annotation is: false [2019-12-07 11:25:40,379 INFO L242 CegarLoopResult]: At program point L439-5(lines 424 442) the Hoare annotation is: false [2019-12-07 11:25:40,379 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-12-07 11:25:40,380 INFO L246 CegarLoopResult]: For program point L176-1(lines 273 279) no Hoare annotation was computed. [2019-12-07 11:25:40,380 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 11:25:40,380 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 11:25:40,380 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 11:25:40,380 INFO L246 CegarLoopResult]: For program point L474(lines 473 518) no Hoare annotation was computed. [2019-12-07 11:25:40,380 INFO L246 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L246 CegarLoopResult]: For program point L309-1(lines 309 317) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L246 CegarLoopResult]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L246 CegarLoopResult]: For program point L309-3(lines 309 317) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L246 CegarLoopResult]: For program point L309-4(lines 309 317) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L246 CegarLoopResult]: For program point L309-5(lines 309 317) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L246 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-12-07 11:25:40,381 INFO L242 CegarLoopResult]: At program point L145(lines 136 149) the Hoare annotation is: false [2019-12-07 11:25:40,382 INFO L242 CegarLoopResult]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.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 11:25:40,382 INFO L242 CegarLoopResult]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2019-12-07 11:25:40,382 INFO L242 CegarLoopResult]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2019-12-07 11:25:40,382 INFO L242 CegarLoopResult]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2019-12-07 11:25:40,382 INFO L242 CegarLoopResult]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2019-12-07 11:25:40,383 INFO L246 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-12-07 11:25:40,383 INFO L246 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2019-12-07 11:25:40,383 INFO L246 CegarLoopResult]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2019-12-07 11:25:40,383 INFO L246 CegarLoopResult]: For program point L509-2(lines 273 279) no Hoare annotation was computed. [2019-12-07 11:25:40,383 INFO L246 CegarLoopResult]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2019-12-07 11:25:40,384 INFO L242 CegarLoopResult]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse0 .cse1) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 11:25:40,384 INFO L242 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: false [2019-12-07 11:25:40,384 INFO L242 CegarLoopResult]: At program point L280-2(lines 280 286) the Hoare annotation is: false [2019-12-07 11:25:40,384 INFO L246 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-12-07 11:25:40,384 INFO L249 CegarLoopResult]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2019-12-07 11:25:40,384 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:25:40,385 INFO L246 CegarLoopResult]: For program point L483(lines 483 489) no Hoare annotation was computed. [2019-12-07 11:25:40,385 INFO L242 CegarLoopResult]: At program point L483-1(lines 483 489) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 11:25:40,385 INFO L242 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: false [2019-12-07 11:25:40,385 INFO L242 CegarLoopResult]: At program point L384-1(lines 379 387) the Hoare annotation is: false [2019-12-07 11:25:40,385 INFO L242 CegarLoopResult]: At program point L384-2(lines 379 387) the Hoare annotation is: false [2019-12-07 11:25:40,385 INFO L246 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2019-12-07 11:25:40,386 INFO L242 CegarLoopResult]: At program point L550(lines 1 953) 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 11:25:40,386 INFO L246 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-12-07 11:25:40,386 INFO L246 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-12-07 11:25:40,386 INFO L246 CegarLoopResult]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2019-12-07 11:25:40,386 INFO L246 CegarLoopResult]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2019-12-07 11:25:40,386 INFO L246 CegarLoopResult]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2019-12-07 11:25:40,387 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) 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 11:25:40,387 INFO L246 CegarLoopResult]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2019-12-07 11:25:40,387 INFO L242 CegarLoopResult]: At program point L155(lines 150 158) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 11:25:40,387 INFO L242 CegarLoopResult]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2019-12-07 11:25:40,387 INFO L242 CegarLoopResult]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2019-12-07 11:25:40,388 INFO L242 CegarLoopResult]: At program point L519(lines 472 520) the Hoare annotation is: false [2019-12-07 11:25:40,388 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:25:40,388 INFO L249 CegarLoopResult]: At program point L257(lines 238 260) the Hoare annotation is: true [2019-12-07 11:25:40,388 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:25:40,388 INFO L242 CegarLoopResult]: At program point L458(lines 443 461) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 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~6 (_ bv0 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) [2019-12-07 11:25:40,388 INFO L242 CegarLoopResult]: At program point L458-1(lines 443 461) the Hoare annotation is: false [2019-12-07 11:25:40,389 INFO L242 CegarLoopResult]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2019-12-07 11:25:40,389 INFO L242 CegarLoopResult]: At program point L558(lines 553 561) 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 11:25:40,389 INFO L246 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2019-12-07 11:25:40,389 INFO L246 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2019-12-07 11:25:40,389 INFO L246 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2019-12-07 11:25:40,389 INFO L246 CegarLoopResult]: For program point L493(lines 493 499) no Hoare annotation was computed. [2019-12-07 11:25:40,390 INFO L242 CegarLoopResult]: At program point L493-1(lines 493 499) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 11:25:40,390 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:25:40,390 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 11:25:40,390 INFO L242 CegarLoopResult]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1))) [2019-12-07 11:25:40,391 INFO L242 CegarLoopResult]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2019-12-07 11:25:40,391 INFO L242 CegarLoopResult]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2019-12-07 11:25:40,391 INFO L246 CegarLoopResult]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-12-07 11:25:40,391 INFO L246 CegarLoopResult]: For program point L331-1(lines 331 348) no Hoare annotation was computed. [2019-12-07 11:25:40,391 INFO L246 CegarLoopResult]: For program point L331-2(lines 331 348) no Hoare annotation was computed. [2019-12-07 11:25:40,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:25:40 BoogieIcfgContainer [2019-12-07 11:25:40,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:25:40,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:25:40,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:25:40,419 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:25:40,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:25:27" (3/4) ... [2019-12-07 11:25:40,422 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:25:40,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:25:40,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:25:40,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:25:40,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:25:40,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:25:40,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:25:40,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:25:40,457 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 11:25:40,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 11:25:40,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 11:25:40,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 11:25:40,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 11:25:40,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 11:25:40,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 11:25:40,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 11:25:40,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) [2019-12-07 11:25:40,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 11:25:40,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9dca2197-aef2-4277-b17f-a8a0b95db6c9/bin/utaipan/witness.graphml [2019-12-07 11:25:40,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:25:40,499 INFO L168 Benchmark]: Toolchain (without parser) took 13819.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 349.7 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:40,499 INFO L168 Benchmark]: CDTParser took 0.12 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 11:25:40,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:40,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.95 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:40,500 INFO L168 Benchmark]: Boogie Preprocessor took 36.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:25:40,500 INFO L168 Benchmark]: RCFGBuilder took 547.25 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: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:40,500 INFO L168 Benchmark]: TraceAbstraction took 12697.99 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 207.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.8 MB). Peak memory consumption was 376.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:40,500 INFO L168 Benchmark]: Witness Printer took 79.71 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:40,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.95 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.25 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: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12697.99 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 207.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.8 MB). Peak memory consumption was 376.4 MB. Max. memory is 11.5 GB. * Witness Printer took 79.71 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, HoareTripleCheckerStatistics: 1236 SDtfs, 3645 SDslu, 3459 SDs, 0 SdLazy, 771 SolverSat, 172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 1166 SyntacticMatches, 4 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2090 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 2348 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 101 NumberOfFragments, 536 HoareAnnotationTreeSize, 42 FomulaSimplifications, 694400 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 223726 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1214 ConstructedInterpolants, 0 QuantifiedInterpolants, 144874 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3149 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 244/322 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...