./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.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_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ...................................................................................................................................... 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_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:19:38,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:38,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:38,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:38,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:38,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:38,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:38,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:38,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:38,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:38,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:38,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:38,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:38,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:38,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:38,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:38,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:38,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:38,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:38,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:38,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:38,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:38,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:38,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:38,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:38,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:38,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:38,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:38,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:38,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:38,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:38,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:38,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:38,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:38,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:38,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:38,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:38,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:38,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:38,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:38,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:38,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:19:38,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:38,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:38,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:38,158 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:38,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:38,158 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:38,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:19:38,159 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:38,159 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:38,159 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:19:38,159 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:19:38,159 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:38,159 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:19:38,159 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:19:38,160 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:19:38,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:38,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:38,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:19:38,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:38,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:38,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:38,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:38,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:19:38,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:38,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:38,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:38,163 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_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2019-12-07 21:19:38,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:38,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:38,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:38,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:38,270 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:38,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2019-12-07 21:19:38,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/4c5e6cbbe/7d78fd91a78d4f57bf99326feafd4b35/FLAG06be251af [2019-12-07 21:19:38,742 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:38,742 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2019-12-07 21:19:38,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/4c5e6cbbe/7d78fd91a78d4f57bf99326feafd4b35/FLAG06be251af [2019-12-07 21:19:38,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/4c5e6cbbe/7d78fd91a78d4f57bf99326feafd4b35 [2019-12-07 21:19:38,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:38,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:38,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:38,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:38,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:38,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:38" (1/1) ... [2019-12-07 21:19:38,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:38, skipping insertion in model container [2019-12-07 21:19:38,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:38" (1/1) ... [2019-12-07 21:19:38,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:38,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:39,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:39,076 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 21:19:39,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57451580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:39, skipping insertion in model container [2019-12-07 21:19:39,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:39,077 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:19:39,080 INFO L168 Benchmark]: Toolchain (without parser) took 316.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 50.3 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -101.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:39,080 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:39,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 50.3 MB). Free memory was 932.7 MB in the beginning and 1.0 GB in the end (delta: -107.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:39,083 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 50.3 MB). Free memory was 932.7 MB in the beginning and 1.0 GB in the end (delta: -107.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 408]: 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 21:19:40,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:40,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:40,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:40,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:40,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:40,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:40,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:40,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:40,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:40,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:40,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:40,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:40,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:40,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:40,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:40,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:40,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:40,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:40,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:40,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:40,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:40,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:40,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:40,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:40,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:40,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:40,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:40,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:40,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:40,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:40,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:40,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:40,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:40,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:40,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:40,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:40,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:40,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:40,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:40,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:40,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:19:40,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:40,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:40,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:40,305 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:40,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:40,305 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:40,306 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:40,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:40,306 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:40,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:40,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:19:40,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:40,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:40,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:40,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:40,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:40,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:40,310 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_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2019-12-07 21:19:40,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:40,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:40,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:40,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:40,485 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:40,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2019-12-07 21:19:40,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/03625e020/cafc87ea29ca48e090ddee948fc1ac6d/FLAGbaa0403cc [2019-12-07 21:19:40,937 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:40,938 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2019-12-07 21:19:40,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/03625e020/cafc87ea29ca48e090ddee948fc1ac6d/FLAGbaa0403cc [2019-12-07 21:19:41,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/data/03625e020/cafc87ea29ca48e090ddee948fc1ac6d [2019-12-07 21:19:41,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:41,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:41,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:41,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:41,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:41,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ffd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41, skipping insertion in model container [2019-12-07 21:19:41,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:41,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:41,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:41,604 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:19:41,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:41,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:41,655 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:19:41,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:41,715 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:19:41,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41 WrapperNode [2019-12-07 21:19:41,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:41,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:19:41,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:19:41,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:19:41,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:19:41,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:19:41,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:19:41,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:19:41,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:19:41,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:19:41,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:19:41,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:19:41,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:19:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:19:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:19:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:19:42,261 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:19:42,261 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 21:19:42,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:42 BoogieIcfgContainer [2019-12-07 21:19:42,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:19:42,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:19:42,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:19:42,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:19:42,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:19:41" (1/3) ... [2019-12-07 21:19:42,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35848f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:19:42, skipping insertion in model container [2019-12-07 21:19:42,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (2/3) ... [2019-12-07 21:19:42,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35848f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:19:42, skipping insertion in model container [2019-12-07 21:19:42,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:42" (3/3) ... [2019-12-07 21:19:42,269 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2019-12-07 21:19:42,278 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:19:42,285 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:19:42,293 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:19:42,310 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:19:42,310 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:19:42,311 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:19:42,311 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:19:42,311 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:19:42,311 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:19:42,311 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:19:42,311 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:19:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 21:19:42,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 21:19:42,326 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:42,327 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:42,327 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:42,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:42,331 INFO L82 PathProgramCache]: Analyzing trace with hash 143052540, now seen corresponding path program 1 times [2019-12-07 21:19:42,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:42,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608290590] [2019-12-07 21:19:42,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:42,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:19:42,472 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:42,483 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 21:19:42,483 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:42,487 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 21:19:42,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608290590] [2019-12-07 21:19:42,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:42,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:19:42,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902116518] [2019-12-07 21:19:42,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:19:42,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:42,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:19:42,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:19:42,502 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 21:19:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:42,521 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2019-12-07 21:19:42,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:19:42,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 21:19:42,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:42,530 INFO L225 Difference]: With dead ends: 162 [2019-12-07 21:19:42,530 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 21:19:42,532 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:19:42,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 21:19:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 21:19:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 21:19:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2019-12-07 21:19:42,561 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2019-12-07 21:19:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:42,561 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2019-12-07 21:19:42,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:19:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2019-12-07 21:19:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:19:42,563 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:42,563 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:42,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:19:42,764 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:42,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:42,766 INFO L82 PathProgramCache]: Analyzing trace with hash -767978213, now seen corresponding path program 1 times [2019-12-07 21:19:42,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:42,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214821371] [2019-12-07 21:19:42,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:42,919 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:42,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:42,934 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 21:19:42,935 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:42,943 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 21:19:42,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214821371] [2019-12-07 21:19:42,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:42,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:19:42,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242988668] [2019-12-07 21:19:42,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:42,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:42,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:42,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:42,945 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 4 states. [2019-12-07 21:19:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:42,955 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2019-12-07 21:19:42,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:19:42,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 21:19:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:42,956 INFO L225 Difference]: With dead ends: 80 [2019-12-07 21:19:42,956 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 21:19:42,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:42,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 21:19:42,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 21:19:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 21:19:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2019-12-07 21:19:42,961 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2019-12-07 21:19:42,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:42,961 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2019-12-07 21:19:42,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2019-12-07 21:19:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:19:42,962 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:42,962 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 21:19:43,163 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:19:43,164 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:43,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:43,165 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2019-12-07 21:19:43,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:43,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100763430] [2019-12-07 21:19:43,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:43,343 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:43,344 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:43,352 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 21:19:43,352 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:43,359 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 21:19:43,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100763430] [2019-12-07 21:19:43,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:43,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:19:43,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600580165] [2019-12-07 21:19:43,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:43,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:43,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:43,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:43,361 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 4 states. [2019-12-07 21:19:43,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:43,397 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2019-12-07 21:19:43,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:19:43,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 21:19:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:43,399 INFO L225 Difference]: With dead ends: 66 [2019-12-07 21:19:43,399 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 21:19:43,400 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 21:19:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 21:19:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 21:19:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2019-12-07 21:19:43,406 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2019-12-07 21:19:43,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:43,406 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2019-12-07 21:19:43,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2019-12-07 21:19:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 21:19:43,407 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:43,408 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:43,608 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:19:43,608 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2019-12-07 21:19:43,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:43,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874741336] [2019-12-07 21:19:43,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:43,711 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:43,712 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:43,717 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 21:19:43,717 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:43,719 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 21:19:43,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874741336] [2019-12-07 21:19:43,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:43,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:19:43,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219031569] [2019-12-07 21:19:43,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:19:43,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:43,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:19:43,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:19:43,721 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2019-12-07 21:19:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:43,763 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2019-12-07 21:19:43,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:19:43,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 21:19:43,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:43,764 INFO L225 Difference]: With dead ends: 89 [2019-12-07 21:19:43,765 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 21:19:43,765 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:19:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 21:19:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2019-12-07 21:19:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 21:19:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-12-07 21:19:43,772 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2019-12-07 21:19:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:43,772 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-12-07 21:19:43,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:19:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-12-07 21:19:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 21:19:43,773 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:43,773 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:43,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:19:43,975 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:43,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2019-12-07 21:19:43,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:43,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130044683] [2019-12-07 21:19:43,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:44,201 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:44,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:44,218 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 21:19:44,218 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:44,224 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 21:19:44,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130044683] [2019-12-07 21:19:44,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:44,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:19:44,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697632666] [2019-12-07 21:19:44,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:19:44,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:19:44,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:19:44,226 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2019-12-07 21:19:44,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:44,271 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2019-12-07 21:19:44,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:19:44,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 21:19:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:44,272 INFO L225 Difference]: With dead ends: 149 [2019-12-07 21:19:44,273 INFO L226 Difference]: Without dead ends: 98 [2019-12-07 21:19:44,273 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 21:19:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-12-07 21:19:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2019-12-07 21:19:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 21:19:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-12-07 21:19:44,282 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2019-12-07 21:19:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:44,282 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-12-07 21:19:44,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:19:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-12-07 21:19:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 21:19:44,283 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:44,283 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:44,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:19:44,485 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:44,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2019-12-07 21:19:44,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:44,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391766658] [2019-12-07 21:19:44,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:44,703 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:44,705 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:44,721 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 21:19:44,721 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:44,745 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 21:19:44,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391766658] [2019-12-07 21:19:44,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:44,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 21:19:44,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709557454] [2019-12-07 21:19:44,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:19:44,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:44,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:19:44,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:19:44,747 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 8 states. [2019-12-07 21:19:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:45,027 INFO L93 Difference]: Finished difference Result 630 states and 907 transitions. [2019-12-07 21:19:45,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 21:19:45,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-12-07 21:19:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:45,031 INFO L225 Difference]: With dead ends: 630 [2019-12-07 21:19:45,031 INFO L226 Difference]: Without dead ends: 576 [2019-12-07 21:19:45,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 21:19:45,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-12-07 21:19:45,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2019-12-07 21:19:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-12-07 21:19:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 210 transitions. [2019-12-07 21:19:45,050 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 210 transitions. Word has length 31 [2019-12-07 21:19:45,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:45,050 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 210 transitions. [2019-12-07 21:19:45,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:19:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2019-12-07 21:19:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 21:19:45,051 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:45,051 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:45,252 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:19:45,253 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:45,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:45,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2019-12-07 21:19:45,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:45,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281829757] [2019-12-07 21:19:45,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:45,500 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:19:45,501 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:45,508 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 21:19:45,509 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:45,511 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 21:19:45,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281829757] [2019-12-07 21:19:45,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:45,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:19:45,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170907901] [2019-12-07 21:19:45,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:45,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:45,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:45,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:45,512 INFO L87 Difference]: Start difference. First operand 153 states and 210 transitions. Second operand 4 states. [2019-12-07 21:19:45,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:45,548 INFO L93 Difference]: Finished difference Result 374 states and 523 transitions. [2019-12-07 21:19:45,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:19:45,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 21:19:45,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:45,550 INFO L225 Difference]: With dead ends: 374 [2019-12-07 21:19:45,550 INFO L226 Difference]: Without dead ends: 273 [2019-12-07 21:19:45,551 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:19:45,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-12-07 21:19:45,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 152. [2019-12-07 21:19:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 21:19:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2019-12-07 21:19:45,563 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2019-12-07 21:19:45,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:45,563 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2019-12-07 21:19:45,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2019-12-07 21:19:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 21:19:45,564 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:45,564 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:45,765 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:19:45,766 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:45,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2019-12-07 21:19:45,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:45,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965168354] [2019-12-07 21:19:45,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/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 21:19:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:45,914 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:45,915 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:45,927 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 21:19:45,927 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:45,944 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 21:19:45,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965168354] [2019-12-07 21:19:45,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:45,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 21:19:45,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73111200] [2019-12-07 21:19:45,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:19:45,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:45,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:19:45,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:19:45,946 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 8 states. [2019-12-07 21:19:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:46,159 INFO L93 Difference]: Finished difference Result 388 states and 540 transitions. [2019-12-07 21:19:46,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 21:19:46,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 21:19:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:46,161 INFO L225 Difference]: With dead ends: 388 [2019-12-07 21:19:46,161 INFO L226 Difference]: Without dead ends: 123 [2019-12-07 21:19:46,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-12-07 21:19:46,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-12-07 21:19:46,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2019-12-07 21:19:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 21:19:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2019-12-07 21:19:46,170 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2019-12-07 21:19:46,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:46,171 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2019-12-07 21:19:46,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:19:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2019-12-07 21:19:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 21:19:46,171 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:46,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:46,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 21:19:46,372 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:46,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2019-12-07 21:19:46,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:46,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865524612] [2019-12-07 21:19:46,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 21:19:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:46,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:46,470 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:46,481 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 21:19:46,481 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:46,496 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 21:19:46,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865524612] [2019-12-07 21:19:46,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:46,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 21:19:46,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101547488] [2019-12-07 21:19:46,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:19:46,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:46,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:19:46,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:19:46,498 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand 8 states. [2019-12-07 21:19:46,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:46,524 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2019-12-07 21:19:46,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:19:46,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 21:19:46,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:46,525 INFO L225 Difference]: With dead ends: 160 [2019-12-07 21:19:46,525 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:19:46,525 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 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 21:19:46,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:19:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:19:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:19:46,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:19:46,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-12-07 21:19:46,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:46,526 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:19:46,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:19:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:19:46,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:19:46,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 21:19:46,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:19:47,267 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 16 [2019-12-07 21:19:47,497 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 16 [2019-12-07 21:19:47,699 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2019-12-07 21:19:48,161 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2019-12-07 21:19:48,339 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 16 [2019-12-07 21:19:48,468 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-12-07 21:19:48,608 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 16 [2019-12-07 21:19:48,720 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-12-07 21:19:48,722 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-12-07 21:19:48,722 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 21:19:48,722 INFO L242 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))))) [2019-12-07 21:19:48,722 INFO L242 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: false [2019-12-07 21:19:48,723 INFO L242 CegarLoopResult]: At program point L234-2(lines 234 240) the Hoare annotation is: false [2019-12-07 21:19:48,723 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:19:48,723 INFO L246 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2019-12-07 21:19:48,723 INFO L242 CegarLoopResult]: At program point L763-1(lines 1 918) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse1))) [2019-12-07 21:19:48,723 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 776) no Hoare annotation was computed. [2019-12-07 21:19:48,723 INFO L242 CegarLoopResult]: At program point L763-3(lines 1 918) the Hoare annotation is: false [2019-12-07 21:19:48,723 INFO L246 CegarLoopResult]: For program point L763-4(lines 763 776) no Hoare annotation was computed. [2019-12-07 21:19:48,723 INFO L242 CegarLoopResult]: At program point L763-5(lines 1 918) the Hoare annotation is: false [2019-12-07 21:19:48,723 INFO L242 CegarLoopResult]: At program point L879(lines 870 883) 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 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2) (and .cse0 .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse2))) [2019-12-07 21:19:48,723 INFO L242 CegarLoopResult]: At program point L367(lines 352 370) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse4 .cse3))) [2019-12-07 21:19:48,724 INFO L242 CegarLoopResult]: At program point L879-1(lines 870 883) the Hoare annotation is: false [2019-12-07 21:19:48,724 INFO L242 CegarLoopResult]: At program point L367-1(lines 352 370) the Hoare annotation is: false [2019-12-07 21:19:48,724 INFO L242 CegarLoopResult]: At program point L879-2(lines 870 883) the Hoare annotation is: false [2019-12-07 21:19:48,724 INFO L242 CegarLoopResult]: At program point L367-2(lines 352 370) the Hoare annotation is: false [2019-12-07 21:19:48,724 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 21:19:48,724 INFO L246 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-12-07 21:19:48,724 INFO L246 CegarLoopResult]: For program point L797-3(lines 797 801) no Hoare annotation was computed. [2019-12-07 21:19:48,724 INFO L246 CegarLoopResult]: For program point L797-6(lines 797 801) no Hoare annotation was computed. [2019-12-07 21:19:48,724 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 21:19:48,724 INFO L242 CegarLoopResult]: At program point L915(lines 910 918) 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 21:19:48,724 INFO L242 CegarLoopResult]: At program point L172(lines 168 174) 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 21:19:48,724 INFO L242 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))))) [2019-12-07 21:19:48,725 INFO L242 CegarLoopResult]: At program point L866-1(lines 861 869) the Hoare annotation is: false [2019-12-07 21:19:48,725 INFO L242 CegarLoopResult]: At program point L866-2(lines 861 869) the Hoare annotation is: false [2019-12-07 21:19:48,725 INFO L246 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2019-12-07 21:19:48,725 INFO L246 CegarLoopResult]: For program point L767-2(lines 767 773) no Hoare annotation was computed. [2019-12-07 21:19:48,725 INFO L246 CegarLoopResult]: For program point L767-4(lines 767 773) no Hoare annotation was computed. [2019-12-07 21:19:48,725 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 21:19:48,725 INFO L242 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: false [2019-12-07 21:19:48,725 INFO L242 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))))) [2019-12-07 21:19:48,725 INFO L242 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2019-12-07 21:19:48,725 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:19:48,725 INFO L242 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2019-12-07 21:19:48,725 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L249 CegarLoopResult]: At program point L207(lines 188 210) the Hoare annotation is: true [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) 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) .cse0 .cse1) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L786-2(line 786) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L242 CegarLoopResult]: At program point L93-2(lines 227 233) 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) .cse0 .cse1) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L259-1(lines 259 276) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L259-2(lines 259 276) no Hoare annotation was computed. [2019-12-07 21:19:48,726 INFO L246 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L127-1(lines 227 233) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L242 CegarLoopResult]: At program point L227(lines 226 245) 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) .cse0 .cse1) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L227-1(lines 227 233) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L242 CegarLoopResult]: At program point L227-2(lines 226 245) the Hoare annotation is: false [2019-12-07 21:19:48,727 INFO L242 CegarLoopResult]: At program point L227-3(lines 226 245) the Hoare annotation is: false [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L757-2(lines 757 777) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L757-4(lines 757 777) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:19:48,727 INFO L246 CegarLoopResult]: For program point L361-3(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L361-5(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L361-6(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L361-8(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L242 CegarLoopResult]: At program point L312(lines 307 315) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:19:48,728 INFO L242 CegarLoopResult]: At program point L312-1(lines 307 315) the Hoare annotation is: false [2019-12-07 21:19:48,728 INFO L242 CegarLoopResult]: At program point L312-2(lines 307 315) the Hoare annotation is: false [2019-12-07 21:19:48,728 INFO L242 CegarLoopResult]: At program point L907(lines 1 918) 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 21:19:48,728 INFO L246 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L263-1(lines 263 271) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-12-07 21:19:48,728 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 21:19:48,729 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) 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) .cse0 .cse1) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2019-12-07 21:19:48,729 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:19:48,729 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-12-07 21:19:48,729 INFO L246 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-12-07 21:19:48,729 INFO L246 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2019-12-07 21:19:48,729 INFO L249 CegarLoopResult]: At program point L198-1(lines 198 205) the Hoare annotation is: true [2019-12-07 21:19:48,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:19:48 BoogieIcfgContainer [2019-12-07 21:19:48,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:19:48,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:19:48,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:19:48,745 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:19:48,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:42" (3/4) ... [2019-12-07 21:19:48,748 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:19:48,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:19:48,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:19:48,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:19:48,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:19:48,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:19:48,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:19:48,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:19:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) [2019-12-07 21:19:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && !(2bv32 == \result)) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) [2019-12-07 21:19:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((tmp == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) [2019-12-07 21:19:48,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 21:19:48,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bcdc7006-60be-4b65-b8b0-5bfc376bca8e/bin/utaipan/witness.graphml [2019-12-07 21:19:48,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:19:48,816 INFO L168 Benchmark]: Toolchain (without parser) took 7491.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.2 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -228.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:48,816 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:48,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:48,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:48,817 INFO L168 Benchmark]: Boogie Preprocessor took 29.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:48,817 INFO L168 Benchmark]: RCFGBuilder took 474.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:48,817 INFO L168 Benchmark]: TraceAbstraction took 6481.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.8 MB). Peak memory consumption was 324.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:48,817 INFO L168 Benchmark]: Witness Printer took 69.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:48,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6481.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.8 MB). Peak memory consumption was 324.0 MB. Max. memory is 11.5 GB. * Witness Printer took 69.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: 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: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && !(2bv32 == \result)) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((((tmp == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((tmp == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, HoareTripleCheckerStatistics: 680 SDtfs, 971 SDslu, 1481 SDs, 0 SdLazy, 235 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 115 NumberOfFragments, 447 HoareAnnotationTreeSize, 34 FomulaSimplifications, 20044 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 6120 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 22792 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1734 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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...