./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 c3f15e5f0b48b2733d67e168986a8e79f37fa442 ...................................................................................................................................... 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_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 c3f15e5f0b48b2733d67e168986a8e79f37fa442 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:54:46,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:54:46,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:54:46,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:54:46,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:54:46,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:54:46,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:54:46,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:54:46,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:54:46,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:54:46,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:54:46,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:54:46,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:54:46,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:54:46,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:54:46,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:54:46,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:54:46,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:54:46,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:54:46,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:54:46,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:54:46,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:54:46,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:54:46,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:54:46,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:54:46,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:54:46,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:54:46,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:54:46,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:54:46,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:54:46,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:54:46,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:54:46,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:54:46,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:54:46,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:54:46,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:54:46,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:54:46,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:54:46,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:54:46,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:54:46,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:54:46,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:54:46,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:54:46,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:54:46,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:54:46,773 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:54:46,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:54:46,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:54:46,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:54:46,775 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:54:46,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:54:46,775 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:54:46,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:54:46,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:54:46,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:54:46,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:54:46,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:54:46,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:54:46,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:54:46,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:54:46,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:54:46,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:54:46,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:54:46,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:54:46,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:54:46,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:54:46,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:54:46,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:54:46,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:54:46,778 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_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 -> c3f15e5f0b48b2733d67e168986a8e79f37fa442 [2019-12-07 16:54:46,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:54:46,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:54:46,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:54:46,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:54:46,897 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:54:46,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2019-12-07 16:54:46,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/7f1ec3f42/888b69d5b25a4e1382f8b0a62b950b3f/FLAG64fdb77bc [2019-12-07 16:54:47,425 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:54:47,425 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2019-12-07 16:54:47,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/7f1ec3f42/888b69d5b25a4e1382f8b0a62b950b3f/FLAG64fdb77bc [2019-12-07 16:54:47,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/7f1ec3f42/888b69d5b25a4e1382f8b0a62b950b3f [2019-12-07 16:54:47,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:54:47,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:54:47,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:47,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:54:47,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:54:47,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:47" (1/1) ... [2019-12-07 16:54:47,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:47, skipping insertion in model container [2019-12-07 16:54:47,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:47" (1/1) ... [2019-12-07 16:54:47,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:54:47,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:54:47,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:47,736 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 16:54:47,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b367b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:47, skipping insertion in model container [2019-12-07 16:54:47,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:47,737 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:54:47,739 INFO L168 Benchmark]: Toolchain (without parser) took 291.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,740 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:47,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,742 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 597]: 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 16:54:48,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:54:48,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:54:48,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:54:48,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:54:48,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:54:48,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:54:48,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:54:48,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:54:48,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:54:48,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:54:48,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:54:48,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:54:48,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:54:48,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:54:48,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:54:48,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:54:48,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:54:48,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:54:48,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:54:48,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:54:48,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:54:48,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:54:48,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:54:48,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:54:48,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:54:48,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:54:48,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:54:48,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:54:48,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:54:48,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:54:48,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:54:48,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:54:48,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:54:48,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:54:48,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:54:48,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:54:48,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:54:48,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:54:48,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:54:48,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:54:48,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:54:48,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:54:48,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:54:48,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:54:48,947 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:54:48,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:54:48,947 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:54:48,948 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:54:48,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:54:48,948 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:54:48,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:54:48,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:54:48,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:54:48,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:54:48,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:54:48,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:54:48,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:54:48,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:54:48,952 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_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 -> c3f15e5f0b48b2733d67e168986a8e79f37fa442 [2019-12-07 16:54:49,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:54:49,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:54:49,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:54:49,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:54:49,139 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:54:49,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2019-12-07 16:54:49,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/4c3958a5d/1b7d61c35aa142e5a39f29ed17d482f4/FLAG56d463f46 [2019-12-07 16:54:49,624 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:54:49,625 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2019-12-07 16:54:49,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/4c3958a5d/1b7d61c35aa142e5a39f29ed17d482f4/FLAG56d463f46 [2019-12-07 16:54:49,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/data/4c3958a5d/1b7d61c35aa142e5a39f29ed17d482f4 [2019-12-07 16:54:49,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:54:49,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:54:49,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:49,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:54:49,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:54:49,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:49" (1/1) ... [2019-12-07 16:54:49,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:49, skipping insertion in model container [2019-12-07 16:54:49,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:49" (1/1) ... [2019-12-07 16:54:49,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:54:50,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:54:50,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:50,234 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:54:50,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:54:50,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:50,295 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:54:50,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:50,368 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:54:50,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50 WrapperNode [2019-12-07 16:54:50,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:50,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:50,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:54:50,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:54:50,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:50,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:54:50,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:54:50,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:54:50,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... [2019-12-07 16:54:50,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:54:50,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:54:50,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:54:50,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:54:50,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:54:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:54:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:54:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:54:51,032 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:54:51,033 INFO L287 CfgBuilder]: Removed 170 assume(true) statements. [2019-12-07 16:54:51,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:51 BoogieIcfgContainer [2019-12-07 16:54:51,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:54:51,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:54:51,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:54:51,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:54:51,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:54:49" (1/3) ... [2019-12-07 16:54:51,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eed4a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:51, skipping insertion in model container [2019-12-07 16:54:51,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:50" (2/3) ... [2019-12-07 16:54:51,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eed4a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:51, skipping insertion in model container [2019-12-07 16:54:51,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:51" (3/3) ... [2019-12-07 16:54:51,039 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2019-12-07 16:54:51,046 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:54:51,051 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:54:51,059 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:54:51,076 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:54:51,077 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:54:51,077 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:54:51,077 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:54:51,077 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:54:51,077 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:54:51,077 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:54:51,077 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:54:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-12-07 16:54:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:54:51,093 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:51,094 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 16:54:51,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:51,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:51,098 INFO L82 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2019-12-07 16:54:51,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:51,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81154553] [2019-12-07 16:54:51,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:51,232 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:54:51,236 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:51,247 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:51,250 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 16:54:51,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81154553] [2019-12-07 16:54:51,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:51,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:54:51,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710012196] [2019-12-07 16:54:51,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:54:51,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:51,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:54:51,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:54:51,266 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2019-12-07 16:54:51,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:51,288 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2019-12-07 16:54:51,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:54:51,289 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 16:54:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:51,297 INFO L225 Difference]: With dead ends: 245 [2019-12-07 16:54:51,297 INFO L226 Difference]: Without dead ends: 122 [2019-12-07 16:54:51,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 16:54:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-12-07 16:54:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-12-07 16:54:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 16:54:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2019-12-07 16:54:51,331 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2019-12-07 16:54:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:51,331 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2019-12-07 16:54:51,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:54:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2019-12-07 16:54:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 16:54:51,332 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:51,332 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] [2019-12-07 16:54:51,533 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:54:51,534 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:51,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:51,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2019-12-07 16:54:51,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:51,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845660541] [2019-12-07 16:54:51,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:51,774 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:54:51,776 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:51,793 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 16:54:51,793 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:51,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845660541] [2019-12-07 16:54:51,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:51,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:54:51,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600837082] [2019-12-07 16:54:51,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:54:51,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:51,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:54:51,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:54:51,805 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 4 states. [2019-12-07 16:54:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:51,820 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2019-12-07 16:54:51,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:54:51,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 16:54:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:51,821 INFO L225 Difference]: With dead ends: 122 [2019-12-07 16:54:51,821 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 16:54:51,823 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 16:54:51,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 16:54:51,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 16:54:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 16:54:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-12-07 16:54:51,829 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-12-07 16:54:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:51,829 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-12-07 16:54:51,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:54:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-12-07 16:54:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 16:54:51,830 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:51,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:52,031 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:54:52,031 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2019-12-07 16:54:52,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:52,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769644457] [2019-12-07 16:54:52,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:52,162 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:54:52,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:52,173 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 16:54:52,174 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:52,182 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 16:54:52,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769644457] [2019-12-07 16:54:52,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:52,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:54:52,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262958692] [2019-12-07 16:54:52,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:54:52,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:54:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:54:52,185 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 4 states. [2019-12-07 16:54:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:52,193 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2019-12-07 16:54:52,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:54:52,194 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 16:54:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:52,195 INFO L225 Difference]: With dead ends: 95 [2019-12-07 16:54:52,195 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 16:54:52,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 16:54:52,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 16:54:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 16:54:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 16:54:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-12-07 16:54:52,202 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2019-12-07 16:54:52,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:52,203 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-12-07 16:54:52,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:54:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-12-07 16:54:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 16:54:52,204 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:52,204 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] [2019-12-07 16:54:52,405 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:54:52,406 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:52,406 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2019-12-07 16:54:52,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:52,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250827214] [2019-12-07 16:54:52,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:52,545 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:54:52,546 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:52,553 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 16:54:52,553 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:52,556 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 16:54:52,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250827214] [2019-12-07 16:54:52,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:52,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:54:52,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822392196] [2019-12-07 16:54:52,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:54:52,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:52,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:54:52,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:54:52,558 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-12-07 16:54:52,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:52,615 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2019-12-07 16:54:52,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:54:52,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 16:54:52,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:52,616 INFO L225 Difference]: With dead ends: 119 [2019-12-07 16:54:52,616 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 16:54:52,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 16:54:52,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 16:54:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-12-07 16:54:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:54:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 16:54:52,626 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2019-12-07 16:54:52,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:52,626 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 16:54:52,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:54:52,627 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 16:54:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:54:52,628 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:52,628 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:52,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:54:52,830 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:52,830 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2019-12-07 16:54:52,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:52,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418388049] [2019-12-07 16:54:52,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:53,048 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:54:53,049 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:53,060 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 16:54:53,061 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:53,073 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 16:54:53,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418388049] [2019-12-07 16:54:53,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:53,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 16:54:53,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552163293] [2019-12-07 16:54:53,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:54:53,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:53,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:54:53,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:54:53,075 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2019-12-07 16:54:53,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:53,125 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2019-12-07 16:54:53,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:54:53,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 16:54:53,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:53,127 INFO L225 Difference]: With dead ends: 263 [2019-12-07 16:54:53,127 INFO L226 Difference]: Without dead ends: 197 [2019-12-07 16:54:53,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:54:53,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-12-07 16:54:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-12-07 16:54:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 16:54:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2019-12-07 16:54:53,142 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2019-12-07 16:54:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:53,142 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2019-12-07 16:54:53,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:54:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2019-12-07 16:54:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:54:53,143 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:53,143 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:53,344 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:54:53,344 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:53,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:53,345 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2019-12-07 16:54:53,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:53,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908181440] [2019-12-07 16:54:53,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:53,459 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:54:53,461 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:53,474 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 16:54:53,474 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:53,477 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 16:54:53,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908181440] [2019-12-07 16:54:53,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:53,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:54:53,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189771682] [2019-12-07 16:54:53,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:54:53,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:53,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:54:53,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:54:53,479 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2019-12-07 16:54:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:53,528 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2019-12-07 16:54:53,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:54:53,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 16:54:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:53,530 INFO L225 Difference]: With dead ends: 202 [2019-12-07 16:54:53,530 INFO L226 Difference]: Without dead ends: 132 [2019-12-07 16:54:53,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 16:54:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-12-07 16:54:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2019-12-07 16:54:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 16:54:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2019-12-07 16:54:53,542 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2019-12-07 16:54:53,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:53,543 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2019-12-07 16:54:53,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:54:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2019-12-07 16:54:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:54:53,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:53,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:53,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 16:54:53,746 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:53,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:53,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2019-12-07 16:54:53,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:53,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129855305] [2019-12-07 16:54:53,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:53,885 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:54:53,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:53,898 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 16:54:53,898 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:53,901 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 16:54:53,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129855305] [2019-12-07 16:54:53,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:53,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:54:53,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824939229] [2019-12-07 16:54:53,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:54:53,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:53,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:54:53,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:54:53,902 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2019-12-07 16:54:54,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:54,014 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2019-12-07 16:54:54,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:54:54,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 16:54:54,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:54,016 INFO L225 Difference]: With dead ends: 282 [2019-12-07 16:54:54,016 INFO L226 Difference]: Without dead ends: 206 [2019-12-07 16:54:54,016 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:54:54,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-12-07 16:54:54,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2019-12-07 16:54:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 16:54:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2019-12-07 16:54:54,023 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2019-12-07 16:54:54,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:54,024 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2019-12-07 16:54:54,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:54:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-12-07 16:54:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:54:54,024 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:54,025 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:54,225 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 16:54:54,226 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:54,227 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2019-12-07 16:54:54,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:54,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212238514] [2019-12-07 16:54:54,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:54,382 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:54:54,383 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:54,390 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 16:54:54,390 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:54,397 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 16:54:54,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212238514] [2019-12-07 16:54:54,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:54,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:54:54,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808944729] [2019-12-07 16:54:54,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:54:54,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:54,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:54:54,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:54:54,399 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 4 states. [2019-12-07 16:54:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:54,439 INFO L93 Difference]: Finished difference Result 246 states and 331 transitions. [2019-12-07 16:54:54,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:54:54,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 16:54:54,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:54,440 INFO L225 Difference]: With dead ends: 246 [2019-12-07 16:54:54,440 INFO L226 Difference]: Without dead ends: 171 [2019-12-07 16:54:54,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 16:54:54,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-12-07 16:54:54,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2019-12-07 16:54:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-12-07 16:54:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 188 transitions. [2019-12-07 16:54:54,450 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 188 transitions. Word has length 34 [2019-12-07 16:54:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:54,450 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 188 transitions. [2019-12-07 16:54:54,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:54:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2019-12-07 16:54:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 16:54:54,451 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:54,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:54,651 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 16:54:54,652 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:54,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:54,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2019-12-07 16:54:54,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:54,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056619665] [2019-12-07 16:54:54,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/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 16:54:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:54,799 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 16:54:54,800 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:54,826 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 16:54:54,826 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:54,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056619665] [2019-12-07 16:54:54,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:54,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:54:54,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714666889] [2019-12-07 16:54:54,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:54:54,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:54,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:54:54,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:54:54,830 INFO L87 Difference]: Start difference. First operand 141 states and 188 transitions. Second operand 6 states. [2019-12-07 16:54:55,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:55,135 INFO L93 Difference]: Finished difference Result 687 states and 926 transitions. [2019-12-07 16:54:55,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 16:54:55,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 16:54:55,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:55,138 INFO L225 Difference]: With dead ends: 687 [2019-12-07 16:54:55,139 INFO L226 Difference]: Without dead ends: 553 [2019-12-07 16:54:55,139 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:54:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-12-07 16:54:55,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 251. [2019-12-07 16:54:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-12-07 16:54:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 330 transitions. [2019-12-07 16:54:55,166 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 330 transitions. Word has length 35 [2019-12-07 16:54:55,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:55,166 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 330 transitions. [2019-12-07 16:54:55,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:54:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2019-12-07 16:54:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 16:54:55,167 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:55,167 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:55,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 16:54:55,368 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:55,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:55,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2019-12-07 16:54:55,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:55,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929559554] [2019-12-07 16:54:55,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 16:54:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:55,470 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:54:55,472 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 16:54:55,495 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:55,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:54:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 16:54:55,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929559554] [2019-12-07 16:54:55,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1707278459] [2019-12-07 16:54:55,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:54:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:55,616 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 16:54:55,618 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:55,647 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:55,684 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985560467] [2019-12-07 16:54:55,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:54:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:55,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:54:55,788 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:55,793 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:54:55,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 16:54:55,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2019-12-07 16:54:55,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072357860] [2019-12-07 16:54:55,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 16:54:55,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:55,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 16:54:55,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 16:54:55,802 INFO L87 Difference]: Start difference. First operand 251 states and 330 transitions. Second operand 14 states. [2019-12-07 16:54:57,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:57,564 INFO L93 Difference]: Finished difference Result 1905 states and 2626 transitions. [2019-12-07 16:54:57,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2019-12-07 16:54:57,565 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2019-12-07 16:54:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:57,571 INFO L225 Difference]: With dead ends: 1905 [2019-12-07 16:54:57,571 INFO L226 Difference]: Without dead ends: 1661 [2019-12-07 16:54:57,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2019-12-07 16:54:57,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2019-12-07 16:54:57,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 392. [2019-12-07 16:54:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-12-07 16:54:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 511 transitions. [2019-12-07 16:54:57,605 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 511 transitions. Word has length 58 [2019-12-07 16:54:57,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:57,606 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 511 transitions. [2019-12-07 16:54:57,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 16:54:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 511 transitions. [2019-12-07 16:54:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-07 16:54:57,607 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:57,607 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:58,207 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 16:54:58,208 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 838978870, now seen corresponding path program 1 times [2019-12-07 16:54:58,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:54:58,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143758916] [2019-12-07 16:54:58,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 16:54:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:54:58,317 INFO L264 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:54:58,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:54:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 16:54:58,333 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:54:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 16:54:58,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143758916] [2019-12-07 16:54:58,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:54:58,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:54:58,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757493662] [2019-12-07 16:54:58,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:54:58,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:54:58,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:54:58,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:54:58,356 INFO L87 Difference]: Start difference. First operand 392 states and 511 transitions. Second operand 8 states. [2019-12-07 16:54:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:54:58,395 INFO L93 Difference]: Finished difference Result 581 states and 747 transitions. [2019-12-07 16:54:58,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:54:58,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-12-07 16:54:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:54:58,395 INFO L225 Difference]: With dead ends: 581 [2019-12-07 16:54:58,395 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:54:58,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 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 16:54:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:54:58,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:54:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:54:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:54:58,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2019-12-07 16:54:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:54:58,397 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:54:58,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:54:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:54:58,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:54:58,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 16:54:58,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:54:59,270 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 22 [2019-12-07 16:54:59,375 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 23 [2019-12-07 16:54:59,640 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2019-12-07 16:54:59,857 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 26 [2019-12-07 16:55:00,063 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2019-12-07 16:55:00,334 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2019-12-07 16:55:00,628 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2019-12-07 16:55:00,769 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2019-12-07 16:55:01,110 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-12-07 16:55:01,372 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2019-12-07 16:55:01,414 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-12-07 16:55:01,414 INFO L242 CegarLoopResult]: At program point L564(lines 559 567) 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 16:55:01,414 INFO L246 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2019-12-07 16:55:01,415 INFO L242 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3))) [2019-12-07 16:55:01,415 INFO L242 CegarLoopResult]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2019-12-07 16:55:01,415 INFO L242 CegarLoopResult]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2019-12-07 16:55:01,415 INFO L246 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-12-07 16:55:01,415 INFO L246 CegarLoopResult]: For program point L301-2(lines 295 306) no Hoare annotation was computed. [2019-12-07 16:55:01,415 INFO L246 CegarLoopResult]: For program point L962(lines 962 979) no Hoare annotation was computed. [2019-12-07 16:55:01,416 INFO L242 CegarLoopResult]: At program point L962-1(lines 1 982) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse2 .cse5))) [2019-12-07 16:55:01,416 INFO L246 CegarLoopResult]: For program point L962-2(lines 962 979) no Hoare annotation was computed. [2019-12-07 16:55:01,416 INFO L242 CegarLoopResult]: At program point L962-3(lines 1 982) the Hoare annotation is: false [2019-12-07 16:55:01,416 INFO L246 CegarLoopResult]: For program point L962-4(lines 962 979) no Hoare annotation was computed. [2019-12-07 16:55:01,416 INFO L242 CegarLoopResult]: At program point L962-5(lines 1 982) the Hoare annotation is: false [2019-12-07 16:55:01,416 INFO L246 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-12-07 16:55:01,416 INFO L246 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2019-12-07 16:55:01,416 INFO L246 CegarLoopResult]: For program point L404-2(lines 404 410) no Hoare annotation was computed. [2019-12-07 16:55:01,417 INFO L246 CegarLoopResult]: For program point L404-3(lines 404 410) no Hoare annotation was computed. [2019-12-07 16:55:01,417 INFO L246 CegarLoopResult]: For program point L404-4(lines 404 410) no Hoare annotation was computed. [2019-12-07 16:55:01,417 INFO L246 CegarLoopResult]: For program point L404-5(lines 404 410) no Hoare annotation was computed. [2019-12-07 16:55:01,417 INFO L242 CegarLoopResult]: At program point L173(lines 168 176) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .cse3 .cse1) (and .cse2 .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse1))) [2019-12-07 16:55:01,417 INFO L242 CegarLoopResult]: At program point L173-1(lines 168 176) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:55:01,418 INFO L242 CegarLoopResult]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2019-12-07 16:55:01,418 INFO L242 CegarLoopResult]: At program point L173-3(lines 168 176) the Hoare annotation is: false [2019-12-07 16:55:01,418 INFO L242 CegarLoopResult]: At program point L173-4(lines 168 176) the Hoare annotation is: false [2019-12-07 16:55:01,418 INFO L242 CegarLoopResult]: At program point L173-5(lines 168 176) the Hoare annotation is: false [2019-12-07 16:55:01,418 INFO L246 CegarLoopResult]: For program point L966(lines 966 976) no Hoare annotation was computed. [2019-12-07 16:55:01,418 INFO L246 CegarLoopResult]: For program point L966-2(lines 966 976) no Hoare annotation was computed. [2019-12-07 16:55:01,418 INFO L246 CegarLoopResult]: For program point L966-4(lines 966 976) no Hoare annotation was computed. [2019-12-07 16:55:01,418 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L967-2(lines 967 973) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L967-4(lines 967 973) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L241-3(lines 241 245) no Hoare annotation was computed. [2019-12-07 16:55:01,419 INFO L246 CegarLoopResult]: For program point L241-5(lines 241 245) no Hoare annotation was computed. [2019-12-07 16:55:01,420 INFO L246 CegarLoopResult]: For program point L241-6(lines 241 245) no Hoare annotation was computed. [2019-12-07 16:55:01,420 INFO L246 CegarLoopResult]: For program point L241-8(lines 241 245) no Hoare annotation was computed. [2019-12-07 16:55:01,420 INFO L246 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2019-12-07 16:55:01,420 INFO L242 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2))) [2019-12-07 16:55:01,420 INFO L242 CegarLoopResult]: At program point L409(lines 400 413) the Hoare annotation is: false [2019-12-07 16:55:01,420 INFO L242 CegarLoopResult]: At program point L409-1(lines 400 413) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2))) [2019-12-07 16:55:01,421 INFO L242 CegarLoopResult]: At program point L409-2(lines 400 413) the Hoare annotation is: false [2019-12-07 16:55:01,421 INFO L242 CegarLoopResult]: At program point L409-3(lines 400 413) the Hoare annotation is: false [2019-12-07 16:55:01,421 INFO L242 CegarLoopResult]: At program point L409-4(lines 400 413) the Hoare annotation is: false [2019-12-07 16:55:01,421 INFO L242 CegarLoopResult]: At program point L409-5(lines 400 413) the Hoare annotation is: false [2019-12-07 16:55:01,421 INFO L242 CegarLoopResult]: At program point L311(lines 264 312) the Hoare annotation is: false [2019-12-07 16:55:01,421 INFO L242 CegarLoopResult]: At program point L444-2(lines 444 458) the Hoare annotation is: false [2019-12-07 16:55:01,421 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 16:55:01,422 INFO L242 CegarLoopResult]: At program point L247(lines 232 250) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) [2019-12-07 16:55:01,422 INFO L242 CegarLoopResult]: At program point L247-1(lines 232 250) the Hoare annotation is: false [2019-12-07 16:55:01,422 INFO L242 CegarLoopResult]: At program point L247-2(lines 232 250) the Hoare annotation is: false [2019-12-07 16:55:01,422 INFO L242 CegarLoopResult]: At program point L941(lines 936 943) 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 16:55:01,422 INFO L246 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-12-07 16:55:01,422 INFO L246 CegarLoopResult]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2019-12-07 16:55:01,422 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:55:01,423 INFO L246 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2019-12-07 16:55:01,423 INFO L246 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-12-07 16:55:01,423 INFO L242 CegarLoopResult]: At program point L285-1(lines 285 291) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2))) [2019-12-07 16:55:01,423 INFO L246 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-12-07 16:55:01,423 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2019-12-07 16:55:01,423 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2019-12-07 16:55:01,424 INFO L242 CegarLoopResult]: At program point L419(lines 414 422) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:55:01,424 INFO L242 CegarLoopResult]: At program point L419-1(lines 414 422) the Hoare annotation is: false [2019-12-07 16:55:01,424 INFO L242 CegarLoopResult]: At program point L419-2(lines 414 422) the Hoare annotation is: false [2019-12-07 16:55:01,424 INFO L246 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,424 INFO L246 CegarLoopResult]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,424 INFO L246 CegarLoopResult]: For program point L222-3(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,424 INFO L246 CegarLoopResult]: For program point L222-5(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,424 INFO L246 CegarLoopResult]: For program point L222-6(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-8(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-9(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-11(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-12(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-14(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-15(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L222-17(lines 222 226) no Hoare annotation was computed. [2019-12-07 16:55:01,425 INFO L246 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2019-12-07 16:55:01,426 INFO L249 CegarLoopResult]: At program point L520-1(lines 520 527) the Hoare annotation is: true [2019-12-07 16:55:01,426 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:55:01,426 INFO L246 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-12-07 16:55:01,426 INFO L246 CegarLoopResult]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2019-12-07 16:55:01,426 INFO L246 CegarLoopResult]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2019-12-07 16:55:01,426 INFO L242 CegarLoopResult]: At program point L951(lines 62 68) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3))) [2019-12-07 16:55:01,426 INFO L242 CegarLoopResult]: At program point L951-1(lines 62 68) the Hoare annotation is: false [2019-12-07 16:55:01,426 INFO L242 CegarLoopResult]: At program point L951-2(lines 62 68) the Hoare annotation is: false [2019-12-07 16:55:01,427 INFO L242 CegarLoopResult]: At program point L556(lines 1 982) 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 16:55:01,427 INFO L246 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L246 CegarLoopResult]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L246 CegarLoopResult]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L246 CegarLoopResult]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L246 CegarLoopResult]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2019-12-07 16:55:01,427 INFO L242 CegarLoopResult]: At program point L62(lines 58 80) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L62-1(lines 58 80) the Hoare annotation is: false [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L62-2(lines 58 80) the Hoare annotation is: false [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L492(lines 488 494) 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 16:55:01,428 INFO L246 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L228(lines 213 231) the Hoare annotation is: false [2019-12-07 16:55:01,428 INFO L246 CegarLoopResult]: For program point L327-3(lines 327 331) no Hoare annotation was computed. [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L228-1(lines 213 231) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse2))) [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L228-2(lines 213 231) the Hoare annotation is: false [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L228-3(lines 213 231) the Hoare annotation is: false [2019-12-07 16:55:01,428 INFO L246 CegarLoopResult]: For program point L327-6(lines 327 331) no Hoare annotation was computed. [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L228-4(lines 213 231) the Hoare annotation is: false [2019-12-07 16:55:01,428 INFO L242 CegarLoopResult]: At program point L228-5(lines 213 231) the Hoare annotation is: false [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L295(lines 295 306) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L428-2(line 428) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2019-12-07 16:55:01,429 INFO L246 CegarLoopResult]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2019-12-07 16:55:01,430 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-12-07 16:55:01,430 INFO L242 CegarLoopResult]: At program point L396(lines 391 399) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse2 .cse4))) [2019-12-07 16:55:01,430 INFO L242 CegarLoopResult]: At program point L396-1(lines 391 399) the Hoare annotation is: false [2019-12-07 16:55:01,430 INFO L242 CegarLoopResult]: At program point L396-2(lines 391 399) the Hoare annotation is: false [2019-12-07 16:55:01,430 INFO L249 CegarLoopResult]: At program point L529(lines 510 532) the Hoare annotation is: true [2019-12-07 16:55:01,430 INFO L246 CegarLoopResult]: For program point L266(lines 265 310) no Hoare annotation was computed. [2019-12-07 16:55:01,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:55:01 BoogieIcfgContainer [2019-12-07 16:55:01,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:55:01,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:55:01,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:55:01,459 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:55:01,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:51" (3/4) ... [2019-12-07 16:55:01,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:55:01,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:55:01,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:55:01,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:55:01,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:55:01,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:55:01,481 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:55:01,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:55:01,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-12-07 16:55:01,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:55:01,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:55:01,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:55:01,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-12-07 16:55:01,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 16:55:01,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:55:01,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 16:55:01,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) [2019-12-07 16:55:01,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:55:01,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4af34df3-bcdf-40a7-9775-f404441f3fe5/bin/utaipan/witness.graphml [2019-12-07 16:55:01,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:55:01,560 INFO L168 Benchmark]: Toolchain (without parser) took 11601.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 945.7 MB in the beginning and 855.8 MB in the end (delta: 89.9 MB). Peak memory consumption was 399.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:55:01,560 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 16:55:01,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:55:01,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:55:01,560 INFO L168 Benchmark]: Boogie Preprocessor took 33.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:55:01,561 INFO L168 Benchmark]: RCFGBuilder took 582.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:55:01,561 INFO L168 Benchmark]: TraceAbstraction took 10424.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 874.2 MB in the end (delta: 143.1 MB). Peak memory consumption was 385.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:55:01,561 INFO L168 Benchmark]: Witness Printer took 100.18 ms. Allocated memory is still 1.3 GB. Free memory was 874.2 MB in the beginning and 855.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:55:01,562 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 409.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 582.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10424.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 874.2 MB in the end (delta: 143.1 MB). Peak memory consumption was 385.7 MB. Max. memory is 11.5 GB. * Witness Printer took 100.18 ms. Allocated memory is still 1.3 GB. Free memory was 874.2 MB in the beginning and 855.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 428]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 428]: 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: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1297 SDtfs, 3019 SDslu, 3670 SDs, 0 SdLazy, 910 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1215 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1896 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 127 NumberOfFragments, 705 HoareAnnotationTreeSize, 49 FomulaSimplifications, 289570 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 49 FomulaSimplificationsInter, 52648 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 107692 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2739 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 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...