./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/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 81d3a03e2badb1d355e733e1f917b69305964186 ...................................................................................................................................... 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_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/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 81d3a03e2badb1d355e733e1f917b69305964186 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:19:47,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:19:47,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:19:47,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:19:47,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:19:47,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:19:47,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:19:47,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:19:47,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:19:47,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:19:47,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:19:47,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:19:47,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:19:47,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:19:47,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:19:47,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:19:47,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:19:47,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:19:47,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:19:47,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:19:47,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:19:47,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:19:47,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:19:47,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:19:47,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:19:47,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:19:47,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:19:47,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:19:47,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:19:47,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:19:47,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:19:47,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:19:47,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:19:47,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:19:47,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:19:47,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:19:47,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:19:47,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:19:47,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:19:47,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:19:47,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:19:47,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:19:47,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:19:47,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:19:47,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:19:47,849 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:19:47,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:19:47,849 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:19:47,849 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:19:47,849 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:19:47,850 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:19:47,850 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:19:47,850 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:19:47,850 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:19:47,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:19:47,851 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:19:47,851 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:19:47,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:19:47,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:19:47,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:19:47,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:19:47,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:19:47,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:19:47,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:19:47,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:19:47,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:19:47,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:19:47,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:19:47,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:19:47,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:19:47,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:19:47,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:19:47,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:19:47,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:19:47,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:19:47,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:19:47,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:19:47,855 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:19:47,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:19:47,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:19:47,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:19:47,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:19:47,856 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_81cf0939-df77-41b8-9207-e5e89ce6cd8a/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2019-12-07 20:19:47,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:19:47,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:19:47,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:19:47,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:19:47,974 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:19:47,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-12-07 20:19:48,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/9290af8a2/b887ddacdca548d79f65c647ca52e862/FLAG3da6a664b [2019-12-07 20:19:48,350 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:19:48,350 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-12-07 20:19:48,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/9290af8a2/b887ddacdca548d79f65c647ca52e862/FLAG3da6a664b [2019-12-07 20:19:48,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/9290af8a2/b887ddacdca548d79f65c647ca52e862 [2019-12-07 20:19:48,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:19:48,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:19:48,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:48,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:19:48,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:19:48,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:19:48" (1/1) ... [2019-12-07 20:19:48,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a368b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:48, skipping insertion in model container [2019-12-07 20:19:48,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:19:48" (1/1) ... [2019-12-07 20:19:48,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:19:48,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:19:49,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:19:49,039 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:19:49,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c342f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:49, skipping insertion in model container [2019-12-07 20:19:49,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:49,040 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:19:49,042 INFO L168 Benchmark]: Toolchain (without parser) took 281.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:19:49,042 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:19:49,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:19:49,044 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 521]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:19:50,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:19:50,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:19:50,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:19:50,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:19:50,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:19:50,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:19:50,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:19:50,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:19:50,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:19:50,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:19:50,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:19:50,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:19:50,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:19:50,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:19:50,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:19:50,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:19:50,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:19:50,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:19:50,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:19:50,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:19:50,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:19:50,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:19:50,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:19:50,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:19:50,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:19:50,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:19:50,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:19:50,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:19:50,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:19:50,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:19:50,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:19:50,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:19:50,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:19:50,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:19:50,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:19:50,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:19:50,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:19:50,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:19:50,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:19:50,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:19:50,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:19:50,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:19:50,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:19:50,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:19:50,224 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:19:50,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:19:50,224 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:19:50,224 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:19:50,225 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:19:50,225 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:19:50,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:19:50,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:19:50,226 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:19:50,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:19:50,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:19:50,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:19:50,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:19:50,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:19:50,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:19:50,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:19:50,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:19:50,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:19:50,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:19:50,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:19:50,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:19:50,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:19:50,228 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:19:50,229 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:19:50,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:19:50,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:19:50,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:19:50,229 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_81cf0939-df77-41b8-9207-e5e89ce6cd8a/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2019-12-07 20:19:50,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:19:50,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:19:50,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:19:50,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:19:50,426 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:19:50,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-12-07 20:19:50,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/e9fbbbf5a/6d94d42eb17f4522b5253fa04d9f1754/FLAG9055c34a2 [2019-12-07 20:19:50,831 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:19:50,831 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-12-07 20:19:50,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/e9fbbbf5a/6d94d42eb17f4522b5253fa04d9f1754/FLAG9055c34a2 [2019-12-07 20:19:50,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/data/e9fbbbf5a/6d94d42eb17f4522b5253fa04d9f1754 [2019-12-07 20:19:50,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:19:50,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:19:50,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:50,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:19:50,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:19:50,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:19:50" (1/1) ... [2019-12-07 20:19:50,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:50, skipping insertion in model container [2019-12-07 20:19:50,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:19:50" (1/1) ... [2019-12-07 20:19:50,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:19:50,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:19:51,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:19:51,122 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:19:51,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:19:51,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:19:51,172 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:19:51,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:19:51,235 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:19:51,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51 WrapperNode [2019-12-07 20:19:51,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:51,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:19:51,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:19:51,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:19:51,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:19:51,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:19:51,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:19:51,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:19:51,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... [2019-12-07 20:19:51,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:19:51,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:19:51,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:19:51,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:19:51,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:19:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:19:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:19:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:19:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:19:51,903 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:19:51,903 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 20:19:51,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:19:51 BoogieIcfgContainer [2019-12-07 20:19:51,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:19:51,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:19:51,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:19:51,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:19:51,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:19:50" (1/3) ... [2019-12-07 20:19:51,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c28ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:19:51, skipping insertion in model container [2019-12-07 20:19:51,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:51" (2/3) ... [2019-12-07 20:19:51,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c28ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:19:51, skipping insertion in model container [2019-12-07 20:19:51,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:19:51" (3/3) ... [2019-12-07 20:19:51,909 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2019-12-07 20:19:51,916 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:19:51,922 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:19:51,930 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:19:51,947 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:19:51,948 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:19:51,948 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:19:51,948 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:19:51,948 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:19:51,948 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:19:51,948 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:19:51,948 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:19:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-12-07 20:19:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:19:51,965 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:51,966 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:51,966 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:51,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:51,970 INFO L82 PathProgramCache]: Analyzing trace with hash 641779472, now seen corresponding path program 1 times [2019-12-07 20:19:51,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:51,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526338279] [2019-12-07 20:19:51,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:52,113 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:19:52,116 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:52,127 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:52,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526338279] [2019-12-07 20:19:52,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:52,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:19:52,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760585339] [2019-12-07 20:19:52,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:19:52,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:52,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:19:52,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:19:52,151 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-12-07 20:19:52,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:52,174 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2019-12-07 20:19:52,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:19:52,175 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:19:52,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:52,183 INFO L225 Difference]: With dead ends: 240 [2019-12-07 20:19:52,183 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 20:19:52,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:19:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 20:19:52,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-12-07 20:19:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 20:19:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-12-07 20:19:52,217 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2019-12-07 20:19:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:52,217 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-12-07 20:19:52,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:19:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-12-07 20:19:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:19:52,218 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:52,218 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:52,419 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:19:52,420 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:52,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:52,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1103918604, now seen corresponding path program 1 times [2019-12-07 20:19:52,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:52,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534199252] [2019-12-07 20:19:52,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:52,670 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:19:52,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:52,684 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:52,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534199252] [2019-12-07 20:19:52,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:52,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:19:52,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122707901] [2019-12-07 20:19:52,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:19:52,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:52,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:19:52,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:19:52,696 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 4 states. [2019-12-07 20:19:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:52,707 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2019-12-07 20:19:52,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:19:52,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:19:52,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:52,708 INFO L225 Difference]: With dead ends: 119 [2019-12-07 20:19:52,709 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 20:19:52,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:19:52,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 20:19:52,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 20:19:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 20:19:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-12-07 20:19:52,714 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-12-07 20:19:52,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:52,714 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-12-07 20:19:52,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:19:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-12-07 20:19:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:19:52,715 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:52,715 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:52,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:19:52,916 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:52,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:52,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1148023213, now seen corresponding path program 1 times [2019-12-07 20:19:52,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:52,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450599253] [2019-12-07 20:19:52,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:53,063 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:19:53,064 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:53,072 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:53,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450599253] [2019-12-07 20:19:53,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:53,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:19:53,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535440149] [2019-12-07 20:19:53,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:19:53,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:53,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:19:53,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:19:53,081 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2019-12-07 20:19:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:53,090 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2019-12-07 20:19:53,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:19:53,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:19:53,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:53,092 INFO L225 Difference]: With dead ends: 92 [2019-12-07 20:19:53,092 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 20:19:53,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:19:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 20:19:53,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 20:19:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 20:19:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-12-07 20:19:53,099 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-12-07 20:19:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:53,099 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-12-07 20:19:53,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:19:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-12-07 20:19:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:19:53,100 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:53,100 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:53,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:19:53,302 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:53,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:53,302 INFO L82 PathProgramCache]: Analyzing trace with hash -43063729, now seen corresponding path program 1 times [2019-12-07 20:19:53,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:53,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515721461] [2019-12-07 20:19:53,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:53,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:19:53,470 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:53,476 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:53,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515721461] [2019-12-07 20:19:53,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:53,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:19:53,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279891433] [2019-12-07 20:19:53,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:19:53,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:53,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:19:53,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:19:53,480 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-12-07 20:19:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:53,534 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2019-12-07 20:19:53,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:19:53,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 20:19:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:53,536 INFO L225 Difference]: With dead ends: 115 [2019-12-07 20:19:53,536 INFO L226 Difference]: Without dead ends: 72 [2019-12-07 20:19:53,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:19:53,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-12-07 20:19:53,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-12-07 20:19:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 20:19:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2019-12-07 20:19:53,545 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2019-12-07 20:19:53,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:53,545 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2019-12-07 20:19:53,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:19:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2019-12-07 20:19:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 20:19:53,547 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:53,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:53,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:19:53,749 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:53,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:53,750 INFO L82 PathProgramCache]: Analyzing trace with hash -743213728, now seen corresponding path program 1 times [2019-12-07 20:19:53,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:53,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603666768] [2019-12-07 20:19:53,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:53,885 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:53,886 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:53,898 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:53,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603666768] [2019-12-07 20:19:53,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:53,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:19:53,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122460625] [2019-12-07 20:19:53,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:19:53,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:53,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:19:53,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:19:53,904 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2019-12-07 20:19:53,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:53,958 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2019-12-07 20:19:53,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:19:53,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 20:19:53,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:53,959 INFO L225 Difference]: With dead ends: 187 [2019-12-07 20:19:53,959 INFO L226 Difference]: Without dead ends: 123 [2019-12-07 20:19:53,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:19:53,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-12-07 20:19:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2019-12-07 20:19:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 20:19:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2019-12-07 20:19:53,970 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2019-12-07 20:19:53,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:53,971 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2019-12-07 20:19:53,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:19:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2019-12-07 20:19:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 20:19:53,972 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:53,972 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:54,172 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:19:54,174 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:54,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:54,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1870609821, now seen corresponding path program 1 times [2019-12-07 20:19:54,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:54,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718790134] [2019-12-07 20:19:54,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:54,371 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:54,373 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:54,387 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:54,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718790134] [2019-12-07 20:19:54,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:54,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:19:54,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440619856] [2019-12-07 20:19:54,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:19:54,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:54,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:19:54,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:19:54,409 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 8 states. [2019-12-07 20:19:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:54,755 INFO L93 Difference]: Finished difference Result 841 states and 1196 transitions. [2019-12-07 20:19:54,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 20:19:54,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 20:19:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:54,760 INFO L225 Difference]: With dead ends: 841 [2019-12-07 20:19:54,760 INFO L226 Difference]: Without dead ends: 771 [2019-12-07 20:19:54,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 20:19:54,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-12-07 20:19:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2019-12-07 20:19:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-12-07 20:19:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 255 transitions. [2019-12-07 20:19:54,788 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 255 transitions. Word has length 32 [2019-12-07 20:19:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:54,789 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 255 transitions. [2019-12-07 20:19:54,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:19:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 255 transitions. [2019-12-07 20:19:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:19:54,790 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:54,790 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:54,992 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:19:54,993 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash 342193695, now seen corresponding path program 1 times [2019-12-07 20:19:54,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:54,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166537723] [2019-12-07 20:19:54,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:55,157 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:19:55,158 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:55,165 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:55,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166537723] [2019-12-07 20:19:55,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:55,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:19:55,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216212919] [2019-12-07 20:19:55,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:19:55,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:55,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:19:55,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:19:55,169 INFO L87 Difference]: Start difference. First operand 186 states and 255 transitions. Second operand 4 states. [2019-12-07 20:19:55,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:55,214 INFO L93 Difference]: Finished difference Result 470 states and 656 transitions. [2019-12-07 20:19:55,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:19:55,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 20:19:55,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:55,217 INFO L225 Difference]: With dead ends: 470 [2019-12-07 20:19:55,218 INFO L226 Difference]: Without dead ends: 337 [2019-12-07 20:19:55,218 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:19:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-12-07 20:19:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 184. [2019-12-07 20:19:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-12-07 20:19:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2019-12-07 20:19:55,236 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 33 [2019-12-07 20:19:55,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:55,237 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2019-12-07 20:19:55,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:19:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2019-12-07 20:19:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:19:55,238 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:55,238 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:55,439 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:19:55,440 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:55,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1727755226, now seen corresponding path program 1 times [2019-12-07 20:19:55,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:55,442 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401179039] [2019-12-07 20:19:55,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:55,563 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:55,564 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:55,578 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:55,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401179039] [2019-12-07 20:19:55,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:55,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:19:55,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251283495] [2019-12-07 20:19:55,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:19:55,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:55,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:19:55,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:19:55,595 INFO L87 Difference]: Start difference. First operand 184 states and 251 transitions. Second operand 8 states. [2019-12-07 20:19:55,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:55,840 INFO L93 Difference]: Finished difference Result 519 states and 720 transitions. [2019-12-07 20:19:55,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:19:55,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 20:19:55,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:55,842 INFO L225 Difference]: With dead ends: 519 [2019-12-07 20:19:55,842 INFO L226 Difference]: Without dead ends: 341 [2019-12-07 20:19:55,842 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:19:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-12-07 20:19:55,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 155. [2019-12-07 20:19:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-12-07 20:19:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2019-12-07 20:19:55,853 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 33 [2019-12-07 20:19:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:55,853 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2019-12-07 20:19:55,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:19:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2019-12-07 20:19:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:19:55,854 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:55,854 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:56,054 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:19:56,055 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:56,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:56,055 INFO L82 PathProgramCache]: Analyzing trace with hash 600359133, now seen corresponding path program 1 times [2019-12-07 20:19:56,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:56,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520761406] [2019-12-07 20:19:56,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:56,145 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:56,146 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:56,165 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:56,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520761406] [2019-12-07 20:19:56,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:56,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:19:56,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343406536] [2019-12-07 20:19:56,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:19:56,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:56,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:19:56,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:19:56,183 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 8 states. [2019-12-07 20:19:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:56,232 INFO L93 Difference]: Finished difference Result 415 states and 551 transitions. [2019-12-07 20:19:56,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:19:56,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 20:19:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:56,234 INFO L225 Difference]: With dead ends: 415 [2019-12-07 20:19:56,235 INFO L226 Difference]: Without dead ends: 266 [2019-12-07 20:19:56,235 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 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 20:19:56,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-12-07 20:19:56,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 155. [2019-12-07 20:19:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-12-07 20:19:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions. [2019-12-07 20:19:56,249 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 33 [2019-12-07 20:19:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:56,249 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions. [2019-12-07 20:19:56,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:19:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions. [2019-12-07 20:19:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 20:19:56,250 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:56,250 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:56,451 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:19:56,452 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:56,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:56,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1913049859, now seen corresponding path program 1 times [2019-12-07 20:19:56,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:56,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502804787] [2019-12-07 20:19:56,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:56,612 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:19:56,614 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:19:56,627 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:19:56,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502804787] [2019-12-07 20:19:56,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:56,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 20:19:56,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118511330] [2019-12-07 20:19:56,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:19:56,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:19:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:19:56,648 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand 6 states. [2019-12-07 20:19:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:56,949 INFO L93 Difference]: Finished difference Result 519 states and 694 transitions. [2019-12-07 20:19:56,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 20:19:56,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-12-07 20:19:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:56,952 INFO L225 Difference]: With dead ends: 519 [2019-12-07 20:19:56,953 INFO L226 Difference]: Without dead ends: 417 [2019-12-07 20:19:56,953 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:19:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-12-07 20:19:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 351. [2019-12-07 20:19:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-12-07 20:19:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 459 transitions. [2019-12-07 20:19:56,980 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 459 transitions. Word has length 53 [2019-12-07 20:19:56,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:56,980 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 459 transitions. [2019-12-07 20:19:56,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:19:56,980 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 459 transitions. [2019-12-07 20:19:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 20:19:56,981 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:56,981 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:57,181 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:19:57,182 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:57,182 INFO L82 PathProgramCache]: Analyzing trace with hash -330933439, now seen corresponding path program 1 times [2019-12-07 20:19:57,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:57,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488602156] [2019-12-07 20:19:57,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:57,289 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:57,290 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:57,306 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:57,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488602156] [2019-12-07 20:19:57,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:19:57,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:19:57,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908093482] [2019-12-07 20:19:57,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:19:57,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:57,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:19:57,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:19:57,314 INFO L87 Difference]: Start difference. First operand 351 states and 459 transitions. Second operand 5 states. [2019-12-07 20:19:57,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:57,463 INFO L93 Difference]: Finished difference Result 1844 states and 2379 transitions. [2019-12-07 20:19:57,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:19:57,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-12-07 20:19:57,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:57,469 INFO L225 Difference]: With dead ends: 1844 [2019-12-07 20:19:57,469 INFO L226 Difference]: Without dead ends: 1499 [2019-12-07 20:19:57,470 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:19:57,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2019-12-07 20:19:57,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 694. [2019-12-07 20:19:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-12-07 20:19:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 883 transitions. [2019-12-07 20:19:57,519 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 883 transitions. Word has length 53 [2019-12-07 20:19:57,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:57,519 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 883 transitions. [2019-12-07 20:19:57,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:19:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 883 transitions. [2019-12-07 20:19:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 20:19:57,520 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:57,520 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:57,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 20:19:57,720 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:57,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:57,721 INFO L82 PathProgramCache]: Analyzing trace with hash -454216901, now seen corresponding path program 1 times [2019-12-07 20:19:57,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:57,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384165213] [2019-12-07 20:19:57,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:57,828 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:19:57,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:19:57,852 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:57,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:19:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:19:57,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384165213] [2019-12-07 20:19:57,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [69881771] [2019-12-07 20:19:57,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:19:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:57,963 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:57,964 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:19:57,989 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:19:57,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:19:57,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2019-12-07 20:19:57,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325016944] [2019-12-07 20:19:57,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:19:57,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:57,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:19:57,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:19:57,992 INFO L87 Difference]: Start difference. First operand 694 states and 883 transitions. Second operand 5 states. [2019-12-07 20:19:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:58,088 INFO L93 Difference]: Finished difference Result 1588 states and 2039 transitions. [2019-12-07 20:19:58,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:19:58,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-07 20:19:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:58,092 INFO L225 Difference]: With dead ends: 1588 [2019-12-07 20:19:58,092 INFO L226 Difference]: Without dead ends: 990 [2019-12-07 20:19:58,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:19:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-12-07 20:19:58,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 718. [2019-12-07 20:19:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2019-12-07 20:19:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 907 transitions. [2019-12-07 20:19:58,140 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 907 transitions. Word has length 54 [2019-12-07 20:19:58,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:58,141 INFO L462 AbstractCegarLoop]: Abstraction has 718 states and 907 transitions. [2019-12-07 20:19:58,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:19:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 907 transitions. [2019-12-07 20:19:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 20:19:58,142 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:58,142 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:19:58,543 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:19:58,544 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:58,545 INFO L82 PathProgramCache]: Analyzing trace with hash -196051463, now seen corresponding path program 1 times [2019-12-07 20:19:58,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:58,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194834029] [2019-12-07 20:19:58,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:58,647 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:58,648 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:19:58,664 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:19:58,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194834029] [2019-12-07 20:19:58,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1033264862] [2019-12-07 20:19:58,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:19:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:58,779 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:19:58,780 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:19:58,784 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:19:58,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198945876] [2019-12-07 20:19:58,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:19:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:58,878 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:19:58,878 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:19:58,883 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:19:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:19:58,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:19:58,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2019-12-07 20:19:58,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987498715] [2019-12-07 20:19:58,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:19:58,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:19:58,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:19:58,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:19:58,890 INFO L87 Difference]: Start difference. First operand 718 states and 907 transitions. Second operand 8 states. [2019-12-07 20:19:59,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:19:59,177 INFO L93 Difference]: Finished difference Result 1758 states and 2207 transitions. [2019-12-07 20:19:59,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:19:59,177 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-12-07 20:19:59,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:19:59,181 INFO L225 Difference]: With dead ends: 1758 [2019-12-07 20:19:59,181 INFO L226 Difference]: Without dead ends: 1046 [2019-12-07 20:19:59,182 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:19:59,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2019-12-07 20:19:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 633. [2019-12-07 20:19:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2019-12-07 20:19:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 778 transitions. [2019-12-07 20:19:59,226 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 778 transitions. Word has length 54 [2019-12-07 20:19:59,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:19:59,226 INFO L462 AbstractCegarLoop]: Abstraction has 633 states and 778 transitions. [2019-12-07 20:19:59,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:19:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 778 transitions. [2019-12-07 20:19:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 20:19:59,227 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:19:59,227 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] [2019-12-07 20:19:59,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3,16 cvc4 --incremental --print-success --lang smt --rewrite-divk,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:19:59,829 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:19:59,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:19:59,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1751298828, now seen corresponding path program 1 times [2019-12-07 20:19:59,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:19:59,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212942036] [2019-12-07 20:19:59,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-12-07 20:19:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:19:59,978 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:19:59,979 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:19:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:19:59,996 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:00,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:00,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212942036] [2019-12-07 20:20:00,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:00,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:20:00,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150869068] [2019-12-07 20:20:00,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:20:00,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:00,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:20:00,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:20:00,004 INFO L87 Difference]: Start difference. First operand 633 states and 778 transitions. Second operand 6 states. [2019-12-07 20:20:00,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:00,378 INFO L93 Difference]: Finished difference Result 2455 states and 3007 transitions. [2019-12-07 20:20:00,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 20:20:00,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-12-07 20:20:00,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:00,385 INFO L225 Difference]: With dead ends: 2455 [2019-12-07 20:20:00,386 INFO L226 Difference]: Without dead ends: 1914 [2019-12-07 20:20:00,386 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:20:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2019-12-07 20:20:00,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 811. [2019-12-07 20:20:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-12-07 20:20:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 989 transitions. [2019-12-07 20:20:00,455 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 989 transitions. Word has length 55 [2019-12-07 20:20:00,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:00,455 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 989 transitions. [2019-12-07 20:20:00,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:20:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 989 transitions. [2019-12-07 20:20:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 20:20:00,456 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:00,456 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:00,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2019-12-07 20:20:00,657 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:00,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:00,657 INFO L82 PathProgramCache]: Analyzing trace with hash -632394713, now seen corresponding path program 1 times [2019-12-07 20:20:00,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:00,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195816510] [2019-12-07 20:20:00,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:00,750 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:00,751 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:00,769 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:00,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195816510] [2019-12-07 20:20:00,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [263739547] [2019-12-07 20:20:00,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:00,884 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:00,885 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:00,893 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:00,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045722641] [2019-12-07 20:20:00,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:00,977 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:00,978 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:00,986 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:00,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:20:00,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2019-12-07 20:20:00,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304263248] [2019-12-07 20:20:00,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 20:20:00,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:00,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 20:20:00,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:20:00,993 INFO L87 Difference]: Start difference. First operand 811 states and 989 transitions. Second operand 10 states. [2019-12-07 20:20:01,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:01,809 INFO L93 Difference]: Finished difference Result 5152 states and 6370 transitions. [2019-12-07 20:20:01,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-07 20:20:01,810 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2019-12-07 20:20:01,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:01,824 INFO L225 Difference]: With dead ends: 5152 [2019-12-07 20:20:01,824 INFO L226 Difference]: Without dead ends: 4433 [2019-12-07 20:20:01,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 314 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2019-12-07 20:20:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2019-12-07 20:20:01,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 986. [2019-12-07 20:20:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2019-12-07 20:20:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1215 transitions. [2019-12-07 20:20:01,922 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1215 transitions. Word has length 55 [2019-12-07 20:20:01,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:01,922 INFO L462 AbstractCegarLoop]: Abstraction has 986 states and 1215 transitions. [2019-12-07 20:20:01,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 20:20:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1215 transitions. [2019-12-07 20:20:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-07 20:20:01,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:01,923 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 20:20:02,525 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:02,526 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:02,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1423760697, now seen corresponding path program 1 times [2019-12-07 20:20:02,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:02,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040489042] [2019-12-07 20:20:02,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:02,675 INFO L264 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:20:02,677 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-07 20:20:02,694 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-07 20:20:02,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040489042] [2019-12-07 20:20:02,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:02,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:20:02,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289496188] [2019-12-07 20:20:02,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:20:02,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:02,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:20:02,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:20:02,708 INFO L87 Difference]: Start difference. First operand 986 states and 1215 transitions. Second operand 6 states. [2019-12-07 20:20:02,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:02,807 INFO L93 Difference]: Finished difference Result 2102 states and 2600 transitions. [2019-12-07 20:20:02,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:20:02,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2019-12-07 20:20:02,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:02,811 INFO L225 Difference]: With dead ends: 2102 [2019-12-07 20:20:02,811 INFO L226 Difference]: Without dead ends: 1122 [2019-12-07 20:20:02,812 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:20:02,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2019-12-07 20:20:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 936. [2019-12-07 20:20:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2019-12-07 20:20:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1151 transitions. [2019-12-07 20:20:02,886 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1151 transitions. Word has length 96 [2019-12-07 20:20:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:02,886 INFO L462 AbstractCegarLoop]: Abstraction has 936 states and 1151 transitions. [2019-12-07 20:20:02,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:20:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1151 transitions. [2019-12-07 20:20:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-07 20:20:02,888 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:02,888 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:03,088 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 mathsat -unsat_core_generation=3 [2019-12-07 20:20:03,089 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:03,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:03,090 INFO L82 PathProgramCache]: Analyzing trace with hash 2011476516, now seen corresponding path program 1 times [2019-12-07 20:20:03,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:03,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287466875] [2019-12-07 20:20:03,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:03,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:03,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 20:20:03,299 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:03,301 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 20:20:03,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287466875] [2019-12-07 20:20:03,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1663813424] [2019-12-07 20:20:03,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:03,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 20:20:03,429 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-07 20:20:03,486 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-07 20:20:03,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448262339] [2019-12-07 20:20:03,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:03,681 INFO L264 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 20:20:03,682 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:03,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-07 20:20:03,752 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:03,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-07 20:20:03,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2019-12-07 20:20:03,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2019-12-07 20:20:03,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199565853] [2019-12-07 20:20:03,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:03,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:03,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:03,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2019-12-07 20:20:03,799 INFO L87 Difference]: Start difference. First operand 936 states and 1151 transitions. Second operand 8 states. [2019-12-07 20:20:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:04,416 INFO L93 Difference]: Finished difference Result 2941 states and 3657 transitions. [2019-12-07 20:20:04,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 20:20:04,417 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2019-12-07 20:20:04,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:04,423 INFO L225 Difference]: With dead ends: 2941 [2019-12-07 20:20:04,423 INFO L226 Difference]: Without dead ends: 2011 [2019-12-07 20:20:04,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 685 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2019-12-07 20:20:04,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2019-12-07 20:20:04,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1127. [2019-12-07 20:20:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2019-12-07 20:20:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1390 transitions. [2019-12-07 20:20:04,524 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1390 transitions. Word has length 118 [2019-12-07 20:20:04,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:04,524 INFO L462 AbstractCegarLoop]: Abstraction has 1127 states and 1390 transitions. [2019-12-07 20:20:04,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1390 transitions. [2019-12-07 20:20:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-07 20:20:04,526 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:04,526 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:05,127 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3,24 cvc4 --incremental --print-success --lang smt --rewrite-divk,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:05,128 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:05,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1985123616, now seen corresponding path program 2 times [2019-12-07 20:20:05,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:05,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047314762] [2019-12-07 20:20:05,131 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:05,752 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 20:20:05,752 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 20:20:05,780 INFO L264 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:05,782 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-07 20:20:05,802 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-07 20:20:05,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047314762] [2019-12-07 20:20:05,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:05,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:20:05,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651636628] [2019-12-07 20:20:05,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:05,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:05,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:05,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:20:05,825 INFO L87 Difference]: Start difference. First operand 1127 states and 1390 transitions. Second operand 8 states. [2019-12-07 20:20:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:05,878 INFO L93 Difference]: Finished difference Result 1431 states and 1754 transitions. [2019-12-07 20:20:05,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:20:05,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2019-12-07 20:20:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:05,878 INFO L225 Difference]: With dead ends: 1431 [2019-12-07 20:20:05,878 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:20:05,879 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 230 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 20:20:05,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:20:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:20:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:20:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:20:05,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2019-12-07 20:20:05,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:05,880 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:20:05,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:20:05,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:20:06,080 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 mathsat -unsat_core_generation=3 [2019-12-07 20:20:06,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:20:06,627 WARN L192 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2019-12-07 20:20:07,040 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 227 [2019-12-07 20:20:07,365 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 251 [2019-12-07 20:20:07,762 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 201 [2019-12-07 20:20:09,802 WARN L192 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 237 DAG size of output: 41 [2019-12-07 20:20:10,508 WARN L192 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 33 [2019-12-07 20:20:10,795 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 37 [2019-12-07 20:20:11,105 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2019-12-07 20:20:11,839 WARN L192 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 46 [2019-12-07 20:20:13,347 WARN L192 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 225 DAG size of output: 39 [2019-12-07 20:20:15,967 WARN L192 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 245 DAG size of output: 41 [2019-12-07 20:20:16,549 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2019-12-07 20:20:17,980 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 162 DAG size of output: 49 [2019-12-07 20:20:18,890 WARN L192 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 39 [2019-12-07 20:20:19,065 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-12-07 20:20:21,054 WARN L192 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 197 DAG size of output: 46 [2019-12-07 20:20:21,056 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-12-07 20:20:21,056 INFO L246 CegarLoopResult]: For program point L333(lines 333 346) no Hoare annotation was computed. [2019-12-07 20:20:21,057 INFO L242 CegarLoopResult]: At program point L333-1(lines 1 962) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse12 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse8 .cse4 .cse9 .cse10 .cse5 .cse6 .cse11) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse7 .cse8 .cse4 .cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32)) .cse10 .cse12 .cse6 .cse11 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse3 .cse4 .cse12 .cse6))) [2019-12-07 20:20:21,057 INFO L246 CegarLoopResult]: For program point L333-2(lines 333 346) no Hoare annotation was computed. [2019-12-07 20:20:21,057 INFO L242 CegarLoopResult]: At program point L333-3(lines 1 962) the Hoare annotation is: false [2019-12-07 20:20:21,057 INFO L246 CegarLoopResult]: For program point L333-4(lines 333 346) no Hoare annotation was computed. [2019-12-07 20:20:21,057 INFO L242 CegarLoopResult]: At program point L333-5(lines 1 962) the Hoare annotation is: false [2019-12-07 20:20:21,057 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32))) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3)) [2019-12-07 20:20:21,057 INFO L242 CegarLoopResult]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-12-07 20:20:21,057 INFO L242 CegarLoopResult]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-12-07 20:20:21,057 INFO L246 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-12-07 20:20:21,057 INFO L246 CegarLoopResult]: For program point L435-1(lines 435 441) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L435-2(lines 435 441) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L435-3(lines 435 441) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L435-4(lines 435 441) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L435-5(lines 435 441) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L237(lines 237 241) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L237-3(lines 237 241) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L237-5(lines 237 241) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L237-6(lines 237 241) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L237-8(lines 237 241) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L246 CegarLoopResult]: For program point L337-2(lines 337 343) no Hoare annotation was computed. [2019-12-07 20:20:21,058 INFO L242 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv4294967295 32)) (_ bv0 32))) (.cse10 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32)) .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse2 .cse4 .cse11 .cse6) (and .cse8 .cse9 .cse10 .cse12 .cse2 .cse11 .cse6) (and .cse9 .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse10 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6 .cse7) (and .cse9 .cse12 .cse2 .cse5 .cse6))) [2019-12-07 20:20:21,059 INFO L246 CegarLoopResult]: For program point L337-4(lines 337 343) no Hoare annotation was computed. [2019-12-07 20:20:21,059 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L307(lines 260 308) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L440(lines 431 444) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L440-1(lines 431 444) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse7 .cse1 .cse8 .cse6 .cse2 .cse5) (and .cse7 .cse1 .cse2 .cse8 .cse4 .cse5))) [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L440-2(lines 431 444) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L440-3(lines 431 444) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L440-4(lines 431 444) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L440-5(lines 431 444) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L870-2(lines 870 884) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L243(lines 228 246) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse7 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse10 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse5 .cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3 .cse6 .cse7 .cse8 .cse9 .cse10))) [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L243-1(lines 228 246) the Hoare annotation is: false [2019-12-07 20:20:21,059 INFO L242 CegarLoopResult]: At program point L243-2(lines 228 246) the Hoare annotation is: false [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L874-1(lines 58 64) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L941(lines 941 948) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L249 CegarLoopResult]: At program point L941-1(lines 941 948) the Hoare annotation is: true [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L242 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse4) (and .cse7 .cse6 .cse8 .cse1 .cse9 .cse5 .cse4 .cse10) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse7 .cse8 .cse1 .cse9 .cse5 .cse3 .cse4 .cse10))) [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L116(lines 116 133) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L116-1(lines 116 133) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L116-2(lines 116 133) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L242 CegarLoopResult]: At program point L480(lines 1 962) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,060 INFO L246 CegarLoopResult]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-5(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-6(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-8(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-9(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-11(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-12(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-14(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-15(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L218-17(lines 218 222) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L242 CegarLoopResult]: At program point L450(lines 445 453) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse6 .cse7) (and .cse0 .cse4 .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 .cse5 .cse6 .cse7))) [2019-12-07 20:20:21,061 INFO L242 CegarLoopResult]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2019-12-07 20:20:21,061 INFO L242 CegarLoopResult]: At program point L450-2(lines 445 453) the Hoare annotation is: false [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L120(lines 120 128) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 128) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 128) no Hoare annotation was computed. [2019-12-07 20:20:21,061 INFO L246 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point L90-1(lines 90 107) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 107) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point L90-3(lines 90 107) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point L90-4(lines 90 107) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point L90-5(lines 90 107) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L242 CegarLoopResult]: At program point L58(lines 57 76) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse7 .cse2 .cse6 .cse8 .cse1 .cse9 .cse4 .cse10) (and .cse7 .cse2 .cse8 .cse1 .cse9 .cse3 .cse4 .cse10))) [2019-12-07 20:20:21,062 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 64) no Hoare annotation was computed. [2019-12-07 20:20:21,062 INFO L242 CegarLoopResult]: At program point L58-2(lines 57 76) the Hoare annotation is: false [2019-12-07 20:20:21,062 INFO L242 CegarLoopResult]: At program point L58-3(lines 57 76) the Hoare annotation is: false [2019-12-07 20:20:21,062 INFO L249 CegarLoopResult]: At program point L950(lines 931 953) the Hoare annotation is: true [2019-12-07 20:20:21,062 INFO L242 CegarLoopResult]: At program point L488(lines 483 491) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 20:20:21,062 INFO L242 CegarLoopResult]: At program point L224(lines 209 227) the Hoare annotation is: false [2019-12-07 20:20:21,063 INFO L242 CegarLoopResult]: At program point L224-1(lines 209 227) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse10 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse14 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse12 .cse5 .cse7 .cse13) (and .cse9 .cse1 .cse3 .cse10 .cse14 .cse11 .cse12 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse3 .cse2 .cse4 .cse6 .cse7 .cse8))) [2019-12-07 20:20:21,063 INFO L242 CegarLoopResult]: At program point L224-2(lines 209 227) the Hoare annotation is: false [2019-12-07 20:20:21,063 INFO L242 CegarLoopResult]: At program point L224-3(lines 209 227) the Hoare annotation is: false [2019-12-07 20:20:21,063 INFO L242 CegarLoopResult]: At program point L224-4(lines 209 227) the Hoare annotation is: false [2019-12-07 20:20:21,063 INFO L242 CegarLoopResult]: At program point L224-5(lines 209 227) the Hoare annotation is: false [2019-12-07 20:20:21,063 INFO L242 CegarLoopResult]: At program point L918(lines 914 920) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 102) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:20:21,063 INFO L246 CegarLoopResult]: For program point L94-2(lines 94 102) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L94-3(lines 94 102) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L94-4(lines 94 102) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L94-5(lines 94 102) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L327-2(lines 327 347) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L327-4(lines 327 347) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L242 CegarLoopResult]: At program point L427(lines 422 430) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32))) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 20:20:21,064 INFO L242 CegarLoopResult]: At program point L427-1(lines 422 430) the Hoare annotation is: false [2019-12-07 20:20:21,064 INFO L242 CegarLoopResult]: At program point L427-2(lines 422 430) the Hoare annotation is: false [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L262(lines 261 306) no Hoare annotation was computed. [2019-12-07 20:20:21,064 INFO L242 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse11 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11 .cse5 .cse12) (and .cse1 .cse7 .cse2 .cse3 .cse11 .cse5) (and .cse0 .cse6 .cse8 .cse2 .cse9 .cse10 .cse4 .cse5 .cse12))) [2019-12-07 20:20:21,064 INFO L242 CegarLoopResult]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2019-12-07 20:20:21,064 INFO L242 CegarLoopResult]: At program point L395-2(lines 390 398) the Hoare annotation is: false [2019-12-07 20:20:21,064 INFO L246 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L242 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse4 .cse10) (and .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse8 .cse9 .cse3 .cse4 .cse10))) [2019-12-07 20:20:21,065 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: false [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L242 CegarLoopResult]: At program point L65-2(lines 65 71) the Hoare annotation is: false [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point L297(lines 297 301) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point L297-2(lines 58 64) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point L959(line 959) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-12-07 20:20:21,065 INFO L246 CegarLoopResult]: For program point L959-2(line 959) no Hoare annotation was computed. [2019-12-07 20:20:21,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:20:21 BoogieIcfgContainer [2019-12-07 20:20:21,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:20:21,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:20:21,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:20:21,102 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:20:21,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:19:51" (3/4) ... [2019-12-07 20:20:21,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:20:21,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:20:21,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:20:21,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:20:21,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:20:21,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:20:21,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:20:21,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:20:21,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((((((1bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 2bv32 == tmp___0) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:20:21,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((((1bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:20:21,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 20:20:21,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 20:20:21,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 20:20:21,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 20:20:21,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && \result == 1bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 20:20:21,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:20:21,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 2bv32 == \result) || (((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 20:20:21,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && \result == 1bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) [2019-12-07 20:20:21,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-12-07 20:20:21,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 2bv32 == \result) && \result == 0bv32) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 2bv32 == tmp___0 [2019-12-07 20:20:21,183 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_81cf0939-df77-41b8-9207-e5e89ce6cd8a/bin/utaipan/witness.graphml [2019-12-07 20:20:21,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:20:21,184 INFO L168 Benchmark]: Toolchain (without parser) took 30333.12 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 500.7 MB). Free memory was 953.7 MB in the beginning and 995.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 458.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:21,185 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:20:21,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:21,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.88 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 20:20:21,185 INFO L168 Benchmark]: Boogie Preprocessor took 33.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:20:21,185 INFO L168 Benchmark]: RCFGBuilder took 587.45 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: 81.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:21,186 INFO L168 Benchmark]: TraceAbstraction took 29196.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.1 MB). Peak memory consumption was 543.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:21,186 INFO L168 Benchmark]: Witness Printer took 81.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 995.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:21,187 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 384.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.88 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 33.16 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 587.45 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: 81.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29196.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.1 MB). Peak memory consumption was 543.3 MB. Max. memory is 11.5 GB. * Witness Printer took 81.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 995.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 2bv32 == \result) || (((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && \result == 1bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && \result == 1bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((((((1bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 2bv32 == tmp___0) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 2bv32 == \result) && \result == 0bv32) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 2bv32 == tmp___0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((((1bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 14.1s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, HoareTripleCheckerStatistics: 2058 SDtfs, 4782 SDslu, 5826 SDs, 0 SdLazy, 955 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2867 GetRequests, 2698 SyntacticMatches, 7 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1127occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 8260 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1411 HoareAnnotationTreeSize, 45 FomulaSimplifications, 87490858 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 13393769 FormulaSimplificationTreeSizeReductionInter, 13.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1414 NumberOfCodeBlocks, 1414 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2778 ConstructedInterpolants, 0 QuantifiedInterpolants, 489864 SizeOfPredicates, 78 NumberOfNonLiveVariables, 5803 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 50 InterpolantComputations, 31 PerfectInterpolantSequences, 1532/1966 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...