./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ...................................................................................................................................... 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_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:15:28,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:15:28,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:15:28,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:15:28,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:15:28,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:15:28,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:15:28,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:15:28,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:15:28,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:15:28,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:15:28,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:15:28,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:15:28,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:15:28,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:15:28,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:15:28,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:15:28,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:15:28,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:15:28,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:15:28,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:15:28,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:15:28,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:15:28,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:15:28,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:15:28,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:15:28,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:15:28,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:15:28,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:15:28,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:15:28,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:15:28,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:15:28,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:15:28,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:15:28,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:15:28,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:15:28,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:15:28,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:15:28,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:15:28,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:15:28,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:15:28,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:15:28,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:15:28,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:15:28,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:15:28,939 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:15:28,939 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:15:28,939 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:15:28,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:15:28,939 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:15:28,939 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:15:28,940 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:15:28,940 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:15:28,940 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:15:28,940 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:15:28,940 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:15:28,940 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:15:28,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:15:28,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:15:28,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:15:28,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:15:28,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:15:28,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:15:28,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:15:28,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:15:28,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:15:28,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:15:28,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:15:28,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:15:28,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:15:28,944 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_32716256-d902-4117-9e10-0d5f0a728bc1/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-12-07 15:15:29,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:15:29,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:15:29,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:15:29,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:15:29,053 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:15:29,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-12-07 15:15:29,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/adf11ec8b/ee962a4c169543788b87ed67887ad947/FLAG0e45a6c2c [2019-12-07 15:15:29,541 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:15:29,541 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-12-07 15:15:29,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/adf11ec8b/ee962a4c169543788b87ed67887ad947/FLAG0e45a6c2c [2019-12-07 15:15:29,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/adf11ec8b/ee962a4c169543788b87ed67887ad947 [2019-12-07 15:15:29,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:15:29,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:15:29,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:15:29,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:15:29,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:15:29,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:15:29" (1/1) ... [2019-12-07 15:15:29,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:29, skipping insertion in model container [2019-12-07 15:15:29,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:15:29" (1/1) ... [2019-12-07 15:15:29,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:15:29,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:15:29,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:15:29,811 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 15:15:29,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@760496d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:29, skipping insertion in model container [2019-12-07 15:15:29,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:15:29,812 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 15:15:29,813 INFO L168 Benchmark]: Toolchain (without parser) took 250.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:29,814 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:15:29,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:29,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 15:15:30,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:15:30,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:15:30,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:15:30,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:15:30,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:15:30,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:15:30,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:15:30,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:15:30,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:15:30,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:15:30,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:15:30,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:15:30,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:15:30,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:15:30,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:15:30,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:15:30,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:15:30,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:15:30,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:15:30,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:15:30,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:15:30,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:15:30,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:15:30,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:15:30,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:15:30,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:15:30,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:15:30,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:15:30,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:15:30,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:15:30,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:15:30,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:15:30,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:15:30,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:15:30,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:15:30,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:15:30,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:15:30,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:15:30,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:15:30,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:15:30,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:15:30,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:15:30,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:15:30,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:15:30,995 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:15:30,996 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:15:30,996 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:15:30,996 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:15:30,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:15:30,996 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:15:30,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:15:30,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:15:30,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:15:30,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:15:30,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:15:30,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:15:30,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:15:30,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:15:30,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:15:30,999 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:15:30,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:15:31,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:15:31,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:15:31,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:15:31,000 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_32716256-d902-4117-9e10-0d5f0a728bc1/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-12-07 15:15:31,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:15:31,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:15:31,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:15:31,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:15:31,176 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:15:31,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-12-07 15:15:31,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/87c9c4207/51772e07f41648b5804d57098e8fdcee/FLAGcff35c447 [2019-12-07 15:15:31,634 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:15:31,635 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-12-07 15:15:31,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/87c9c4207/51772e07f41648b5804d57098e8fdcee/FLAGcff35c447 [2019-12-07 15:15:31,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/data/87c9c4207/51772e07f41648b5804d57098e8fdcee [2019-12-07 15:15:31,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:15:31,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:15:31,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:15:31,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:15:31,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:15:31,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:15:31" (1/1) ... [2019-12-07 15:15:32,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32, skipping insertion in model container [2019-12-07 15:15:32,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:15:31" (1/1) ... [2019-12-07 15:15:32,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:15:32,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:15:32,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:15:32,250 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:15:32,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:15:32,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:15:32,314 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:15:32,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:15:32,378 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:15:32,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32 WrapperNode [2019-12-07 15:15:32,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:15:32,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:15:32,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:15:32,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:15:32,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:15:32,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:15:32,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:15:32,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:15:32,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... [2019-12-07 15:15:32,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:15:32,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:15:32,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:15:32,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:15:32,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 15:15:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:15:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:15:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:15:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:15:32,996 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:15:32,996 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-07 15:15:32,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:15:32 BoogieIcfgContainer [2019-12-07 15:15:32,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:15:32,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:15:32,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:15:33,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:15:33,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:15:31" (1/3) ... [2019-12-07 15:15:33,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b58f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:15:33, skipping insertion in model container [2019-12-07 15:15:33,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:15:32" (2/3) ... [2019-12-07 15:15:33,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b58f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:15:33, skipping insertion in model container [2019-12-07 15:15:33,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:15:32" (3/3) ... [2019-12-07 15:15:33,005 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2019-12-07 15:15:33,013 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:15:33,020 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:15:33,029 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:15:33,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:15:33,045 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:15:33,045 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:15:33,045 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:15:33,045 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:15:33,045 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:15:33,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:15:33,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:15:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-12-07 15:15:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:15:33,061 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:15:33,062 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 15:15:33,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:15:33,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:15:33,066 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2019-12-07 15:15:33,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:15:33,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856142618] [2019-12-07 15:15:33,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 15:15:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:15:33,227 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:15:33,230 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:15:33,241 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 15:15:33,241 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:15:33,245 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 15:15:33,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856142618] [2019-12-07 15:15:33,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:15:33,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:15:33,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011346642] [2019-12-07 15:15:33,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:15:33,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:15:33,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:15:33,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:15:33,261 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-12-07 15:15:33,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:15:33,286 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-12-07 15:15:33,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:15:33,287 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 15:15:33,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:15:33,296 INFO L225 Difference]: With dead ends: 211 [2019-12-07 15:15:33,296 INFO L226 Difference]: Without dead ends: 105 [2019-12-07 15:15:33,299 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 15:15:33,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-12-07 15:15:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-12-07 15:15:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 15:15:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-12-07 15:15:33,334 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-12-07 15:15:33,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:15:33,334 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-12-07 15:15:33,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:15:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-12-07 15:15:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:15:33,335 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:15:33,335 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 15:15:33,536 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:15:33,536 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:15:33,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:15:33,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2019-12-07 15:15:33,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:15:33,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800155939] [2019-12-07 15:15:33,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 15:15:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:15:33,683 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:15:33,684 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:15:33,700 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 15:15:33,700 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:15:33,709 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 15:15:33,710 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800155939] [2019-12-07 15:15:33,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:15:33,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:15:33,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456514636] [2019-12-07 15:15:33,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:15:33,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:15:33,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:15:33,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:15:33,712 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 4 states. [2019-12-07 15:15:33,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:15:33,725 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-12-07 15:15:33,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:15:33,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 15:15:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:15:33,727 INFO L225 Difference]: With dead ends: 105 [2019-12-07 15:15:33,727 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 15:15:33,728 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 15:15:33,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 15:15:33,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 15:15:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 15:15:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 15:15:33,734 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-12-07 15:15:33,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:15:33,734 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 15:15:33,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:15:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 15:15:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:15:33,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:15:33,736 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 15:15:33,936 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:15:33,937 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:15:33,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:15:33,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2019-12-07 15:15:33,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:15:33,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352362615] [2019-12-07 15:15:33,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 15:15:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:15:34,070 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:15:34,071 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:15:34,079 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 15:15:34,079 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:15:34,086 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 15:15:34,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352362615] [2019-12-07 15:15:34,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:15:34,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:15:34,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71673310] [2019-12-07 15:15:34,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:15:34,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:15:34,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:15:34,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:15:34,088 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2019-12-07 15:15:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:15:34,094 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-12-07 15:15:34,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:15:34,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 15:15:34,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:15:34,096 INFO L225 Difference]: With dead ends: 83 [2019-12-07 15:15:34,096 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 15:15:34,096 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 15:15:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 15:15:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 15:15:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 15:15:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-12-07 15:15:34,101 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-12-07 15:15:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:15:34,101 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-12-07 15:15:34,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:15:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-12-07 15:15:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:15:34,102 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:15:34,102 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 15:15:34,303 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:15:34,303 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:15:34,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:15:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2019-12-07 15:15:34,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:15:34,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406237312] [2019-12-07 15:15:34,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 15:15:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:15:34,434 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:15:34,435 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:15:34,452 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 15:15:34,452 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:15:34,458 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 15:15:34,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406237312] [2019-12-07 15:15:34,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:15:34,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 15:15:34,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554816100] [2019-12-07 15:15:34,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:15:34,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:15:34,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:15:34,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:15:34,460 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-12-07 15:15:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:15:34,540 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-12-07 15:15:34,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:15:34,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 15:15:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:15:34,542 INFO L225 Difference]: With dead ends: 207 [2019-12-07 15:15:34,542 INFO L226 Difference]: Without dead ends: 169 [2019-12-07 15:15:34,543 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 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 15:15:34,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-12-07 15:15:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-12-07 15:15:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 15:15:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-12-07 15:15:34,553 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-12-07 15:15:34,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:15:34,553 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-12-07 15:15:34,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:15:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-12-07 15:15:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 15:15:34,554 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:15:34,555 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] [2019-12-07 15:15:34,755 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:15:34,756 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:15:34,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:15:34,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2019-12-07 15:15:34,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:15:34,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396490078] [2019-12-07 15:15:34,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/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 15:15:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:15:34,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:15:34,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:15:34,920 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 15:15:34,921 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:15:34,924 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 15:15:34,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396490078] [2019-12-07 15:15:34,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:15:34,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:15:34,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077107285] [2019-12-07 15:15:34,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:15:34,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:15:34,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:15:34,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:15:34,925 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-12-07 15:15:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:15:35,002 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-12-07 15:15:35,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:15:35,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 15:15:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:15:35,002 INFO L225 Difference]: With dead ends: 176 [2019-12-07 15:15:35,002 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:15:35,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 15:15:35,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:15:35,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:15:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:15:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:15:35,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-12-07 15:15:35,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:15:35,004 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:15:35,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:15:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:15:35,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:15:35,205 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:15:35,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:15:35,513 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-12-07 15:15:35,513 INFO L246 CegarLoopResult]: For program point L731(lines 731 748) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L246 CegarLoopResult]: For program point L731-1(lines 731 748) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L246 CegarLoopResult]: For program point L731-2(lines 731 748) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L246 CegarLoopResult]: For program point L731-3(lines 731 748) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L246 CegarLoopResult]: For program point L731-4(lines 731 748) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L246 CegarLoopResult]: For program point L731-5(lines 731 748) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L242 CegarLoopResult]: At program point L699(lines 698 717) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,514 INFO L246 CegarLoopResult]: For program point L699-1(lines 699 705) no Hoare annotation was computed. [2019-12-07 15:15:35,514 INFO L242 CegarLoopResult]: At program point L699-2(lines 698 717) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L600(lines 595 603) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L699-3(lines 698 717) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L600-1(lines 595 603) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L600-2(lines 595 603) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L600-3(lines 595 603) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L600-4(lines 595 603) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L600-5(lines 595 603) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L865(lines 850 868) the Hoare annotation is: false [2019-12-07 15:15:35,515 INFO L242 CegarLoopResult]: At program point L865-1(lines 850 868) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L865-2(lines 850 868) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L865-3(lines 850 868) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L865-4(lines 850 868) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L865-5(lines 850 868) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L246 CegarLoopResult]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L900-1(lines 900 906) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L801(lines 794 804) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L801-1(lines 794 804) the Hoare annotation is: false [2019-12-07 15:15:35,516 INFO L246 CegarLoopResult]: For program point L735(lines 735 743) no Hoare annotation was computed. [2019-12-07 15:15:35,516 INFO L242 CegarLoopResult]: At program point L801-2(lines 794 804) the Hoare annotation is: false [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point L735-2(lines 735 743) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point L735-4(lines 735 743) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point L735-5(lines 735 743) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L246 CegarLoopResult]: For program point L539(lines 539 546) no Hoare annotation was computed. [2019-12-07 15:15:35,517 INFO L249 CegarLoopResult]: At program point L539-1(lines 539 546) the Hoare annotation is: true [2019-12-07 15:15:35,517 INFO L242 CegarLoopResult]: At program point L706(lines 706 712) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L706-1(lines 706 712) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L706-2(lines 706 712) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L641(lines 636 644) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L641-1(lines 636 644) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L246 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L641-2(lines 636 644) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L641-3(lines 636 644) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L641-4(lines 636 644) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L641-5(lines 636 644) the Hoare annotation is: false [2019-12-07 15:15:35,518 INFO L242 CegarLoopResult]: At program point L511(lines 507 513) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:15:35,519 INFO L242 CegarLoopResult]: At program point L677(lines 1 933) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:15:35,519 INFO L242 CegarLoopResult]: At program point L810(lines 805 813) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,519 INFO L242 CegarLoopResult]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2019-12-07 15:15:35,519 INFO L242 CegarLoopResult]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2019-12-07 15:15:35,519 INFO L246 CegarLoopResult]: For program point L910(lines 910 921) no Hoare annotation was computed. [2019-12-07 15:15:35,519 INFO L242 CegarLoopResult]: At program point L415(lines 410 417) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:15:35,519 INFO L249 CegarLoopResult]: At program point L548(lines 529 551) the Hoare annotation is: true [2019-12-07 15:15:35,519 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L881(lines 880 925) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L650-1(line 650) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L650-2(line 650) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L916-2(lines 699 705) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L242 CegarLoopResult]: At program point L685(lines 680 688) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:15:35,520 INFO L246 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-12-07 15:15:35,521 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:15:35,521 INFO L246 CegarLoopResult]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-12-07 15:15:35,521 INFO L242 CegarLoopResult]: At program point L426-1(lines 1 933) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,521 INFO L246 CegarLoopResult]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-12-07 15:15:35,521 INFO L242 CegarLoopResult]: At program point L426-3(lines 1 933) the Hoare annotation is: false [2019-12-07 15:15:35,521 INFO L246 CegarLoopResult]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-12-07 15:15:35,521 INFO L242 CegarLoopResult]: At program point L426-5(lines 1 933) the Hoare annotation is: false [2019-12-07 15:15:35,521 INFO L246 CegarLoopResult]: For program point L757(lines 757 774) no Hoare annotation was computed. [2019-12-07 15:15:35,521 INFO L246 CegarLoopResult]: For program point L757-1(lines 757 774) no Hoare annotation was computed. [2019-12-07 15:15:35,522 INFO L246 CegarLoopResult]: For program point L757-2(lines 757 774) no Hoare annotation was computed. [2019-12-07 15:15:35,522 INFO L242 CegarLoopResult]: At program point L460-2(lines 460 474) the Hoare annotation is: false [2019-12-07 15:15:35,522 INFO L246 CegarLoopResult]: For program point L890(lines 890 896) no Hoare annotation was computed. [2019-12-07 15:15:35,531 INFO L242 CegarLoopResult]: At program point L890-1(lines 890 896) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:15:35,531 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 15:15:35,531 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:15:35,531 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-12-07 15:15:35,531 INFO L246 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,531 INFO L246 CegarLoopResult]: For program point L859-2(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,531 INFO L246 CegarLoopResult]: For program point L859-3(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-5(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-6(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-8(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-9(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-11(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-12(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L859-14(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,532 INFO L246 CegarLoopResult]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-12-07 15:15:35,533 INFO L246 CegarLoopResult]: For program point L859-15(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,533 INFO L246 CegarLoopResult]: For program point L859-17(lines 859 863) no Hoare annotation was computed. [2019-12-07 15:15:35,533 INFO L246 CegarLoopResult]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-12-07 15:15:35,535 INFO L242 CegarLoopResult]: At program point L926(lines 879 927) the Hoare annotation is: false [2019-12-07 15:15:35,535 INFO L246 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2019-12-07 15:15:35,535 INFO L246 CegarLoopResult]: For program point L761-1(lines 761 769) no Hoare annotation was computed. [2019-12-07 15:15:35,535 INFO L246 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2019-12-07 15:15:35,535 INFO L246 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L563-3(lines 563 567) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L464-1(lines 699 705) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L563-6(lines 563 567) no Hoare annotation was computed. [2019-12-07 15:15:35,536 INFO L246 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-12-07 15:15:35,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:15:35 BoogieIcfgContainer [2019-12-07 15:15:35,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:15:35,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:15:35,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:15:35,556 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:15:35,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:15:32" (3/4) ... [2019-12-07 15:15:35,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:15:35,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:15:35,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:15:35,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:15:35,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:15:35,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:15:35,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:15:35,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:15:35,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 15:15:35,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32716256-d902-4117-9e10-0d5f0a728bc1/bin/utaipan/witness.graphml [2019-12-07 15:15:35,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:15:35,660 INFO L168 Benchmark]: Toolchain (without parser) took 3663.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -228.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:15:35,660 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:15:35,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:35,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:35,661 INFO L168 Benchmark]: Boogie Preprocessor took 33.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:15:35,661 INFO L168 Benchmark]: RCFGBuilder took 541.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:35,661 INFO L168 Benchmark]: TraceAbstraction took 2556.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.3 MB). Peak memory consumption was 237.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:35,661 INFO L168 Benchmark]: Witness Printer took 102.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:15:35,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 541.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2556.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.3 MB). Peak memory consumption was 237.9 MB. Max. memory is 11.5 GB. * Witness Printer took 102.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: 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: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 429 SDtfs, 390 SDslu, 369 SDs, 0 SdLazy, 62 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 167 HoareAnnotationTreeSize, 43 FomulaSimplifications, 906 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 332 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 10538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 920 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...