./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.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_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 a00a7e438929786846b38e6a5327ae1b6e91eb08 ...................................................................................................................................... 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_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 a00a7e438929786846b38e6a5327ae1b6e91eb08 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:53:10,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:53:10,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:53:10,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:53:10,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:53:10,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:53:10,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:53:10,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:53:10,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:53:10,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:53:10,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:53:10,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:53:10,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:53:10,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:53:10,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:53:10,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:53:10,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:53:10,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:53:10,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:53:10,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:53:10,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:53:10,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:53:10,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:53:10,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:53:10,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:53:10,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:53:10,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:53:10,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:53:10,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:53:10,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:53:10,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:53:10,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:53:10,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:53:10,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:53:10,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:53:10,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:53:10,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:53:10,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:53:10,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:53:10,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:53:10,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:53:10,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:53:10,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:53:10,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:53:10,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:53:10,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:53:10,877 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:53:10,878 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:53:10,878 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:53:10,878 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:53:10,878 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:53:10,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:53:10,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:53:10,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:53:10,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:53:10,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:53:10,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:53:10,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:53:10,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:53:10,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:53:10,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:53:10,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:53:10,881 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_e98bf360-cf86-488a-8e4b-485eb7343f72/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 -> a00a7e438929786846b38e6a5327ae1b6e91eb08 [2019-12-07 13:53:10,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:53:10,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:53:10,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:53:10,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:53:10,990 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:53:10,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2019-12-07 13:53:11,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/f7553c505/ec5782f750af4b1e9a61c77eba6e8919/FLAGc5b666f8e [2019-12-07 13:53:11,397 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:53:11,397 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2019-12-07 13:53:11,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/f7553c505/ec5782f750af4b1e9a61c77eba6e8919/FLAGc5b666f8e [2019-12-07 13:53:11,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/f7553c505/ec5782f750af4b1e9a61c77eba6e8919 [2019-12-07 13:53:11,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:53:11,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:53:11,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:53:11,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:53:11,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:53:11,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:53:11" (1/1) ... [2019-12-07 13:53:11,421 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 01:53:11, skipping insertion in model container [2019-12-07 13:53:11,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:53:11" (1/1) ... [2019-12-07 13:53:11,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:53:11,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:53:11,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:53:11,666 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 13:53:11,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1adcee52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:11, skipping insertion in model container [2019-12-07 13:53:11,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:53:11,667 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:53:11,668 INFO L168 Benchmark]: Toolchain (without parser) took 251.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:53:11,669 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:53:11,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:53:11,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 417]: 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 13:53:12,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:53:12,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:53:12,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:53:12,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:53:12,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:53:12,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:53:12,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:53:12,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:53:12,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:53:12,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:53:12,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:53:12,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:53:12,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:53:12,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:53:12,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:53:12,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:53:12,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:53:12,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:53:12,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:53:12,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:53:12,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:53:12,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:53:12,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:53:12,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:53:12,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:53:12,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:53:12,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:53:12,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:53:12,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:53:12,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:53:12,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:53:12,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:53:12,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:53:12,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:53:12,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:53:12,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:53:12,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:53:12,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:53:12,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:53:12,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:53:12,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:53:12,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:53:12,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:53:12,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:53:12,836 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:53:12,837 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:53:12,837 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:53:12,837 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:53:12,837 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:53:12,837 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:53:12,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:53:12,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:53:12,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:53:12,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:53:12,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:53:12,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:53:12,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:53:12,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:53:12,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:53:12,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:53:12,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:53:12,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:53:12,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:53:12,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:53:12,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:53:12,841 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_e98bf360-cf86-488a-8e4b-485eb7343f72/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 -> a00a7e438929786846b38e6a5327ae1b6e91eb08 [2019-12-07 13:53:13,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:53:13,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:53:13,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:53:13,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:53:13,022 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:53:13,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2019-12-07 13:53:13,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/34262bcd1/a1780c829930473b9446a36eb5004cb5/FLAG71d17a1a0 [2019-12-07 13:53:13,567 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:53:13,567 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2019-12-07 13:53:13,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/34262bcd1/a1780c829930473b9446a36eb5004cb5/FLAG71d17a1a0 [2019-12-07 13:53:13,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/data/34262bcd1/a1780c829930473b9446a36eb5004cb5 [2019-12-07 13:53:13,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:53:13,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:53:13,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:53:13,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:53:13,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:53:13,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:13,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13, skipping insertion in model container [2019-12-07 13:53:13,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:13,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:53:13,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:53:13,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:53:13,874 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:53:13,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:53:13,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:53:13,922 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:53:13,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:53:13,979 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:53:13,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13 WrapperNode [2019-12-07 13:53:13,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:53:13,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:53:13,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:53:13,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:53:13,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:13,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:53:14,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:53:14,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:53:14,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:53:14,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... [2019-12-07 13:53:14,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:53:14,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:53:14,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:53:14,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:53:14,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 13:53:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:53:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:53:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:53:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:53:14,524 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:53:14,525 INFO L287 CfgBuilder]: Removed 68 assume(true) statements. [2019-12-07 13:53:14,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:53:14 BoogieIcfgContainer [2019-12-07 13:53:14,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:53:14,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:53:14,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:53:14,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:53:14,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:53:13" (1/3) ... [2019-12-07 13:53:14,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b125ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:53:14, skipping insertion in model container [2019-12-07 13:53:14,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:13" (2/3) ... [2019-12-07 13:53:14,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b125ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:53:14, skipping insertion in model container [2019-12-07 13:53:14,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:53:14" (3/3) ... [2019-12-07 13:53:14,533 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2019-12-07 13:53:14,542 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:53:14,549 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:53:14,560 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:53:14,582 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:53:14,582 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:53:14,583 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:53:14,583 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:53:14,583 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:53:14,583 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:53:14,583 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:53:14,583 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:53:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-12-07 13:53:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:53:14,602 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:53:14,603 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:53:14,603 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:53:14,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:53:14,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2019-12-07 13:53:14,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:53:14,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532631019] [2019-12-07 13:53:14,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 13:53:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:53:14,739 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:53:14,742 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:53:14,753 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 13:53:14,753 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:53:14,756 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 13:53:14,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532631019] [2019-12-07 13:53:14,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:53:14,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:53:14,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488745040] [2019-12-07 13:53:14,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:53:14,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:53:14,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:53:14,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:53:14,771 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-12-07 13:53:14,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:53:14,788 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-12-07 13:53:14,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:53:14,789 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:53:14,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:53:14,795 INFO L225 Difference]: With dead ends: 108 [2019-12-07 13:53:14,795 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 13:53:14,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:53:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 13:53:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 13:53:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 13:53:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-12-07 13:53:14,824 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-12-07 13:53:14,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:53:14,824 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-12-07 13:53:14,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:53:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-12-07 13:53:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:53:14,825 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:53:14,825 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:53:15,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:53:15,027 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:53:15,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:53:15,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2019-12-07 13:53:15,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:53:15,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479085986] [2019-12-07 13:53:15,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 13:53:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:53:15,244 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:53:15,245 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:53:15,258 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 13:53:15,258 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:53:15,266 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 13:53:15,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479085986] [2019-12-07 13:53:15,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:53:15,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:53:15,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277851686] [2019-12-07 13:53:15,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:53:15,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:53:15,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:53:15,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:53:15,269 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2019-12-07 13:53:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:53:15,277 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-12-07 13:53:15,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:53:15,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 13:53:15,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:53:15,278 INFO L225 Difference]: With dead ends: 53 [2019-12-07 13:53:15,278 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 13:53:15,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:53:15,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 13:53:15,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 13:53:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 13:53:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-12-07 13:53:15,282 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-12-07 13:53:15,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:53:15,282 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-12-07 13:53:15,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:53:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-12-07 13:53:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:53:15,283 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:53:15,283 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:53:15,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:53:15,484 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:53:15,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:53:15,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2019-12-07 13:53:15,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:53:15,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618604744] [2019-12-07 13:53:15,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 13:53:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:53:15,701 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:53:15,702 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:53:15,718 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 13:53:15,719 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:53:15,746 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 13:53:15,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618604744] [2019-12-07 13:53:15,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:53:15,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:53:15,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331111813] [2019-12-07 13:53:15,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:53:15,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:53:15,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:53:15,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:53:15,749 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-12-07 13:53:15,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:53:15,928 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2019-12-07 13:53:15,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:53:15,928 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 13:53:15,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:53:15,931 INFO L225 Difference]: With dead ends: 154 [2019-12-07 13:53:15,932 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 13:53:15,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:53:15,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 13:53:15,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2019-12-07 13:53:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 13:53:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2019-12-07 13:53:15,946 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2019-12-07 13:53:15,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:53:15,946 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2019-12-07 13:53:15,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:53:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2019-12-07 13:53:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:53:15,947 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:53:15,948 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] [2019-12-07 13:53:16,148 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:53:16,148 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:53:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:53:16,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2019-12-07 13:53:16,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:53:16,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605580811] [2019-12-07 13:53:16,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 13:53:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:53:16,254 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:53:16,255 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:53:16,259 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 13:53:16,260 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:53:16,263 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 13:53:16,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605580811] [2019-12-07 13:53:16,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:53:16,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:53:16,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533289543] [2019-12-07 13:53:16,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:53:16,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:53:16,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:53:16,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:53:16,266 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2019-12-07 13:53:16,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:53:16,275 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2019-12-07 13:53:16,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:53:16,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 13:53:16,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:53:16,276 INFO L225 Difference]: With dead ends: 95 [2019-12-07 13:53:16,276 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 13:53:16,277 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:53:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 13:53:16,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 13:53:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 13:53:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2019-12-07 13:53:16,285 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2019-12-07 13:53:16,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:53:16,285 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2019-12-07 13:53:16,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:53:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-12-07 13:53:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 13:53:16,287 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:53:16,287 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:53:16,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:53:16,488 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:53:16,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:53:16,488 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2019-12-07 13:53:16,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:53:16,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182665009] [2019-12-07 13:53:16,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/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 13:53:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:53:16,583 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:53:16,584 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:53:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:53:16,596 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:53:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:53:16,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182665009] [2019-12-07 13:53:16,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [605157706] [2019-12-07 13:53:16,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:53:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:53:16,711 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:53:16,713 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:53:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 13:53:16,739 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:53:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 13:53:16,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:53:16,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 13:53:16,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630386018] [2019-12-07 13:53:16,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:53:16,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:53:16,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:53:16,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:53:16,745 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2019-12-07 13:53:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:53:16,815 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-12-07 13:53:16,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:53:16,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 13:53:16,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:53:16,815 INFO L225 Difference]: With dead ends: 111 [2019-12-07 13:53:16,816 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:53:16,816 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:53:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:53:16,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:53:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:53:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:53:16,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 13:53:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:53:16,817 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:53:16,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:53:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:53:16,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:53:17,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2019-12-07 13:53:17,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:53:17,412 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 13:53:17,412 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:53:17,412 INFO L249 CegarLoopResult]: At program point L846(lines 827 849) the Hoare annotation is: true [2019-12-07 13:53:17,412 INFO L246 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-12-07 13:53:17,412 INFO L246 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L235-1(lines 235 241) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L814(lines 810 816) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L104(lines 103 122) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,413 INFO L246 CegarLoopResult]: For program point L104-1(lines 104 110) no Hoare annotation was computed. [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L104-2(lines 103 122) the Hoare annotation is: false [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L104-3(lines 103 122) the Hoare annotation is: false [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: false [2019-12-07 13:53:17,413 INFO L246 CegarLoopResult]: For program point L255(lines 255 268) no Hoare annotation was computed. [2019-12-07 13:53:17,413 INFO L246 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2019-12-07 13:53:17,413 INFO L246 CegarLoopResult]: For program point L371(lines 371 384) no Hoare annotation was computed. [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L371-1(lines 1 849) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,413 INFO L246 CegarLoopResult]: For program point L371-2(lines 371 384) no Hoare annotation was computed. [2019-12-07 13:53:17,413 INFO L242 CegarLoopResult]: At program point L371-3(lines 1 849) the Hoare annotation is: false [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L371-4(lines 371 384) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L242 CegarLoopResult]: At program point L371-5(lines 1 849) the Hoare annotation is: false [2019-12-07 13:53:17,414 INFO L242 CegarLoopResult]: At program point L74(lines 1 849) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L242 CegarLoopResult]: At program point L273(lines 224 274) the Hoare annotation is: false [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L770-1(lines 104 110) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 13:53:17,414 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L242 CegarLoopResult]: At program point L358(lines 353 361) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,415 INFO L246 CegarLoopResult]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L242 CegarLoopResult]: At program point L358-1(lines 353 361) the Hoare annotation is: false [2019-12-07 13:53:17,415 INFO L242 CegarLoopResult]: At program point L358-2(lines 353 361) the Hoare annotation is: false [2019-12-07 13:53:17,415 INFO L249 CegarLoopResult]: At program point L837-1(lines 837 844) the Hoare annotation is: true [2019-12-07 13:53:17,415 INFO L246 CegarLoopResult]: For program point L226(lines 225 272) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L246 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L246 CegarLoopResult]: For program point L375-2(lines 375 381) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L246 CegarLoopResult]: For program point L375-4(lines 375 381) no Hoare annotation was computed. [2019-12-07 13:53:17,415 INFO L242 CegarLoopResult]: At program point L111(lines 111 117) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,415 INFO L242 CegarLoopResult]: At program point L111-1(lines 111 117) the Hoare annotation is: false [2019-12-07 13:53:17,416 INFO L242 CegarLoopResult]: At program point L111-2(lines 111 117) the Hoare annotation is: false [2019-12-07 13:53:17,416 INFO L246 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-12-07 13:53:17,416 INFO L246 CegarLoopResult]: For program point L245(lines 245 251) no Hoare annotation was computed. [2019-12-07 13:53:17,416 INFO L242 CegarLoopResult]: At program point L245-1(lines 245 251) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,416 INFO L242 CegarLoopResult]: At program point L163(lines 158 166) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,416 INFO L242 CegarLoopResult]: At program point L163-1(lines 158 166) the Hoare annotation is: false [2019-12-07 13:53:17,416 INFO L242 CegarLoopResult]: At program point L163-2(lines 158 166) the Hoare annotation is: false [2019-12-07 13:53:17,416 INFO L246 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-12-07 13:53:17,416 INFO L242 CegarLoopResult]: At program point L263-2(lines 104 110) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:53:17,416 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:53:17,416 INFO L246 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-12-07 13:53:17,416 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 13:53:17,417 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:53:17,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:53:17 BoogieIcfgContainer [2019-12-07 13:53:17,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:53:17,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:53:17,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:53:17,428 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:53:17,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:53:14" (3/4) ... [2019-12-07 13:53:17,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:53:17,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:53:17,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:53:17,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:53:17,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:53:17,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:53:17,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:53:17,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:53:17,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 13:53:17,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e98bf360-cf86-488a-8e4b-485eb7343f72/bin/utaipan/witness.graphml [2019-12-07 13:53:17,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:53:17,484 INFO L168 Benchmark]: Toolchain (without parser) took 3896.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -227.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:53:17,484 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:53:17,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:53:17,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:53:17,485 INFO L168 Benchmark]: Boogie Preprocessor took 26.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:53:17,485 INFO L168 Benchmark]: RCFGBuilder took 478.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:53:17,485 INFO L168 Benchmark]: TraceAbstraction took 2900.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -154.8 MB). Peak memory consumption was 245.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:53:17,485 INFO L168 Benchmark]: Witness Printer took 54.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:53:17,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2900.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -154.8 MB). Peak memory consumption was 245.1 MB. Max. memory is 11.5 GB. * Witness Printer took 54.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 244 SDtfs, 404 SDslu, 309 SDs, 0 SdLazy, 78 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 100 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1744 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1125 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 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...