./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.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_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f ...................................................................................................................................... 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_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:14:46,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:14:46,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:14:46,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:14:46,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:14:46,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:14:46,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:14:46,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:14:46,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:14:46,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:14:46,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:14:46,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:14:46,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:14:46,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:14:46,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:14:46,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:14:46,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:14:46,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:14:46,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:14:46,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:14:46,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:14:46,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:14:46,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:14:46,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:14:46,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:14:46,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:14:46,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:14:46,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:14:46,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:14:46,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:14:46,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:14:46,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:14:46,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:14:46,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:14:46,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:14:46,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:14:46,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:14:46,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:14:46,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:14:46,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:14:46,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:14:46,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:14:46,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:14:46,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:14:46,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:14:46,929 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:14:46,930 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:14:46,930 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:14:46,930 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:14:46,931 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:14:46,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:14:46,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:14:46,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:14:46,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:14:46,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:14:46,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:14:46,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:14:46,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:14:46,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:14:46,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:14:46,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:14:46,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:14:46,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:14:46,934 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:14:46,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:14:46,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:14:46,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:14:46,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:14:46,934 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_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 -> 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f [2019-12-07 14:14:47,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:14:47,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:14:47,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:14:47,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:14:47,045 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:14:47,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2019-12-07 14:14:47,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/e143edd0d/ae382ae1daa448d890d927566c304668/FLAGda79d2b6e [2019-12-07 14:14:47,538 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:14:47,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2019-12-07 14:14:47,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/e143edd0d/ae382ae1daa448d890d927566c304668/FLAGda79d2b6e [2019-12-07 14:14:47,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/e143edd0d/ae382ae1daa448d890d927566c304668 [2019-12-07 14:14:47,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:14:47,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:14:47,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:14:47,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:14:47,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:14:47,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:14:47" (1/1) ... [2019-12-07 14:14:47,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:47, skipping insertion in model container [2019-12-07 14:14:47,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:14:47" (1/1) ... [2019-12-07 14:14:47,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:14:47,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:14:47,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:14:47,802 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 14:14:47,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1027db8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:47, skipping insertion in model container [2019-12-07 14:14:47,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:14:47,803 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:14:47,804 INFO L168 Benchmark]: Toolchain (without parser) took 244.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:47,805 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:14:47,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:47,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 327]: 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 14:14:48,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:14:48,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:14:48,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:14:48,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:14:48,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:14:48,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:14:48,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:14:48,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:14:48,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:14:48,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:14:48,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:14:48,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:14:48,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:14:48,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:14:48,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:14:48,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:14:48,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:14:48,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:14:49,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:14:49,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:14:49,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:14:49,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:14:49,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:14:49,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:14:49,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:14:49,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:14:49,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:14:49,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:14:49,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:14:49,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:14:49,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:14:49,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:14:49,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:14:49,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:14:49,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:14:49,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:14:49,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:14:49,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:14:49,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:14:49,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:14:49,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:14:49,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:14:49,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:14:49,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:14:49,022 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:14:49,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:14:49,023 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:14:49,023 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:14:49,023 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:14:49,023 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:14:49,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:14:49,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:14:49,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:14:49,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:14:49,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:14:49,026 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:14:49,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:14:49,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:14:49,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:14:49,027 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_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 -> 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f [2019-12-07 14:14:49,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:14:49,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:14:49,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:14:49,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:14:49,202 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:14:49,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2019-12-07 14:14:49,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/d7900d0dd/49fa34ac9a814e729c3b640be39dc49b/FLAG8465b7e51 [2019-12-07 14:14:49,620 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:14:49,620 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2019-12-07 14:14:49,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/d7900d0dd/49fa34ac9a814e729c3b640be39dc49b/FLAG8465b7e51 [2019-12-07 14:14:49,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/data/d7900d0dd/49fa34ac9a814e729c3b640be39dc49b [2019-12-07 14:14:49,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:14:49,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:14:49,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:14:49,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:14:49,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:14:49,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:14:49" (1/1) ... [2019-12-07 14:14:49,646 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 02:14:49, skipping insertion in model container [2019-12-07 14:14:49,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:14:49" (1/1) ... [2019-12-07 14:14:49,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:14:49,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:14:49,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:14:49,934 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:14:49,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:14:49,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:14:49,992 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:14:50,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:14:50,049 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:14:50,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50 WrapperNode [2019-12-07 14:14:50,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:14:50,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:14:50,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:14:50,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:14:50,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:14:50,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:14:50,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:14:50,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:14:50,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... [2019-12-07 14:14:50,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:14:50,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:14:50,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:14:50,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:14:50,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 14:14:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:14:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:14:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:14:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:14:50,601 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:14:50,601 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 14:14:50,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:14:50 BoogieIcfgContainer [2019-12-07 14:14:50,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:14:50,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:14:50,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:14:50,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:14:50,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:14:49" (1/3) ... [2019-12-07 14:14:50,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47035a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:14:50, skipping insertion in model container [2019-12-07 14:14:50,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:14:50" (2/3) ... [2019-12-07 14:14:50,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47035a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:14:50, skipping insertion in model container [2019-12-07 14:14:50,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:14:50" (3/3) ... [2019-12-07 14:14:50,607 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2019-12-07 14:14:50,614 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:14:50,620 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:14:50,627 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:14:50,643 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:14:50,643 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:14:50,643 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:14:50,644 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:14:50,644 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:14:50,644 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:14:50,644 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:14:50,644 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:14:50,655 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 14:14:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:14:50,659 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:50,660 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:14:50,660 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:50,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:50,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2019-12-07 14:14:50,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:50,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006324066] [2019-12-07 14:14:50,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 14:14:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:50,809 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:14:50,812 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:50,823 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 14:14:50,823 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:50,827 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 14:14:50,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006324066] [2019-12-07 14:14:50,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:14:50,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:14:50,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550218810] [2019-12-07 14:14:50,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:14:50,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:50,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:14:50,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:14:50,843 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 14:14:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:50,860 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 14:14:50,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:14:50,861 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:14:50,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:50,869 INFO L225 Difference]: With dead ends: 136 [2019-12-07 14:14:50,869 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 14:14:50,872 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 14:14:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 14:14:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 14:14:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 14:14:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 14:14:50,899 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 14:14:50,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:50,900 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 14:14:50,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:14:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 14:14:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:14:50,900 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:50,901 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 14:14:51,101 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:14:51,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:51,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:51,103 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2019-12-07 14:14:51,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:51,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341703996] [2019-12-07 14:14:51,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 14:14:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:51,337 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:14:51,338 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:51,351 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 14:14:51,351 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:51,358 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 14:14:51,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341703996] [2019-12-07 14:14:51,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:14:51,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:14:51,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876572733] [2019-12-07 14:14:51,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:14:51,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:51,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:14:51,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:14:51,360 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 14:14:51,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:51,370 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 14:14:51,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:14:51,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:14:51,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:51,371 INFO L225 Difference]: With dead ends: 67 [2019-12-07 14:14:51,371 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 14:14:51,372 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 14:14:51,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 14:14:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 14:14:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 14:14:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 14:14:51,376 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 14:14:51,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:51,376 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 14:14:51,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:14:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 14:14:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:14:51,378 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:51,378 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 14:14:51,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:14:51,579 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:51,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:51,580 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2019-12-07 14:14:51,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:51,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437968892] [2019-12-07 14:14:51,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 14:14:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:51,808 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:14:51,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:51,819 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 14:14:51,819 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:51,827 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 14:14:51,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437968892] [2019-12-07 14:14:51,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:14:51,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:14:51,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14433367] [2019-12-07 14:14:51,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:14:51,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:51,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:14:51,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:14:51,829 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 14:14:51,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:51,851 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 14:14:51,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:14:51,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:14:51,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:51,853 INFO L225 Difference]: With dead ends: 110 [2019-12-07 14:14:51,853 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 14:14:51,854 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 14:14:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 14:14:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 14:14:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 14:14:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 14:14:51,864 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 14:14:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:51,864 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 14:14:51,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:14:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 14:14:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:14:51,866 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:51,866 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 14:14:52,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:14:52,067 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:52,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:52,067 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2019-12-07 14:14:52,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:52,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2800170] [2019-12-07 14:14:52,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 14:14:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:52,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:14:52,199 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:52,217 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 14:14:52,217 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:52,244 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 14:14:52,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2800170] [2019-12-07 14:14:52,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:14:52,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 14:14:52,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239644200] [2019-12-07 14:14:52,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:14:52,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:52,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:14:52,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:14:52,246 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2019-12-07 14:14:52,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:52,432 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2019-12-07 14:14:52,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:14:52,433 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 14:14:52,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:52,436 INFO L225 Difference]: With dead ends: 351 [2019-12-07 14:14:52,436 INFO L226 Difference]: Without dead ends: 305 [2019-12-07 14:14:52,437 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 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 14:14:52,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-12-07 14:14:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2019-12-07 14:14:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 14:14:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2019-12-07 14:14:52,460 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2019-12-07 14:14:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:52,460 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2019-12-07 14:14:52,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:14:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2019-12-07 14:14:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:14:52,462 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:52,462 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 14:14:52,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:14:52,664 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:52,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:52,665 INFO L82 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2019-12-07 14:14:52,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:52,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81271317] [2019-12-07 14:14:52,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/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 14:14:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:52,934 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:14:52,935 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:52,941 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 14:14:52,941 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:14:52,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81271317] [2019-12-07 14:14:52,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:14:52,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:14:52,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778573072] [2019-12-07 14:14:52,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:14:52,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:52,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:14:52,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:14:52,944 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2019-12-07 14:14:53,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:53,089 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2019-12-07 14:14:53,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:14:53,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:14:53,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:53,090 INFO L225 Difference]: With dead ends: 342 [2019-12-07 14:14:53,091 INFO L226 Difference]: Without dead ends: 218 [2019-12-07 14:14:53,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 14:14:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-07 14:14:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2019-12-07 14:14:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 14:14:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2019-12-07 14:14:53,110 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2019-12-07 14:14:53,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:53,111 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2019-12-07 14:14:53,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:14:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2019-12-07 14:14:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 14:14:53,112 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:53,112 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 14:14:53,313 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:14:53,314 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:53,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1374300376, now seen corresponding path program 1 times [2019-12-07 14:14:53,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:53,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601942536] [2019-12-07 14:14:53,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 14:14:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:53,496 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:14:53,498 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:53,503 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 14:14:53,503 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:53,505 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 14:14:53,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601942536] [2019-12-07 14:14:53,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:14:53,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:14:53,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100276598] [2019-12-07 14:14:53,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:14:53,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:53,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:14:53,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:14:53,507 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand 3 states. [2019-12-07 14:14:53,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:53,531 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2019-12-07 14:14:53,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:14:53,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 14:14:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:53,533 INFO L225 Difference]: With dead ends: 325 [2019-12-07 14:14:53,533 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 14:14:53,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:14:53,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 14:14:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 14:14:53,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 14:14:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 14:14:53,541 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 14:14:53,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:53,542 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 14:14:53,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:14:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 14:14:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 14:14:53,543 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:14:53,543 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:14:53,743 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:14:53,744 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:14:53,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:14:53,745 INFO L82 PathProgramCache]: Analyzing trace with hash 402720837, now seen corresponding path program 1 times [2019-12-07 14:14:53,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:14:53,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141960890] [2019-12-07 14:14:53,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 14:14:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:53,885 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:14:53,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:14:53,897 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:14:53,917 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141960890] [2019-12-07 14:14:53,917 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [591868027] [2019-12-07 14:14:53,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 14:14:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:14:54,010 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:14:54,011 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:14:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 14:14:54,033 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:14:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 14:14:54,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:14:54,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 14:14:54,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787256513] [2019-12-07 14:14:54,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:14:54,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:14:54,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:14:54,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:14:54,037 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 14:14:54,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:14:54,115 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 14:14:54,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:14:54,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 14:14:54,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:14:54,116 INFO L225 Difference]: With dead ends: 235 [2019-12-07 14:14:54,116 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:14:54,117 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 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 14:14:54,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:14:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:14:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:14:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:14:54,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 14:14:54,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:14:54,117 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:14:54,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:14:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:14:54,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:14:54,518 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 14:14:54,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:14:54,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-12-07 14:14:54,794 INFO L246 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2019-12-07 14:14:54,794 INFO L242 CegarLoopResult]: At program point L696-1(lines 696 702) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,794 INFO L242 CegarLoopResult]: At program point L267(lines 262 270) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,794 INFO L242 CegarLoopResult]: At program point L267-1(lines 262 270) the Hoare annotation is: false [2019-12-07 14:14:54,794 INFO L242 CegarLoopResult]: At program point L267-2(lines 262 270) the Hoare annotation is: false [2019-12-07 14:14:54,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L235(lines 230 238) the Hoare annotation is: false [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L235-1(lines 230 238) the Hoare annotation is: false [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L235-2(lines 230 238) the Hoare annotation is: false [2019-12-07 14:14:54,795 INFO L246 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-12-07 14:14:54,795 INFO L246 CegarLoopResult]: For program point L285-2(lines 285 291) no Hoare annotation was computed. [2019-12-07 14:14:54,795 INFO L246 CegarLoopResult]: For program point L285-4(lines 285 291) no Hoare annotation was computed. [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L749(lines 749 755) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L749-1(lines 749 755) the Hoare annotation is: false [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L749-2(lines 749 755) the Hoare annotation is: false [2019-12-07 14:14:54,795 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:14:54,796 INFO L246 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-12-07 14:14:54,796 INFO L242 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-12-07 14:14:54,796 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:14:54,796 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 14:14:54,796 INFO L242 CegarLoopResult]: At program point L818(lines 811 821) the Hoare annotation is: false [2019-12-07 14:14:54,796 INFO L242 CegarLoopResult]: At program point L818-1(lines 811 821) the Hoare annotation is: false [2019-12-07 14:14:54,796 INFO L242 CegarLoopResult]: At program point L818-2(lines 811 821) the Hoare annotation is: false [2019-12-07 14:14:54,796 INFO L246 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-12-07 14:14:54,796 INFO L249 CegarLoopResult]: At program point L174(lines 155 177) the Hoare annotation is: true [2019-12-07 14:14:54,796 INFO L242 CegarLoopResult]: At program point L141(lines 137 143) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:14:54,796 INFO L242 CegarLoopResult]: At program point L686-1(lines 686 692) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L94-1(lines 742 748) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L242 CegarLoopResult]: At program point L871-1(lines 871 877) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L706(lines 706 719) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L242 CegarLoopResult]: At program point L724(lines 675 725) the Hoare annotation is: false [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L774-1(lines 774 791) no Hoare annotation was computed. [2019-12-07 14:14:54,797 INFO L246 CegarLoopResult]: For program point L774-2(lines 774 791) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L242 CegarLoopResult]: At program point L742(lines 741 760) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point L742-1(lines 742 748) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L242 CegarLoopResult]: At program point L742-2(lines 741 760) the Hoare annotation is: false [2019-12-07 14:14:54,798 INFO L242 CegarLoopResult]: At program point L742-3(lines 741 760) the Hoare annotation is: false [2019-12-07 14:14:54,798 INFO L242 CegarLoopResult]: At program point L65(lines 1 881) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point L677(lines 676 723) no Hoare annotation was computed. [2019-12-07 14:14:54,798 INFO L249 CegarLoopResult]: At program point L165-1(lines 165 172) the Hoare annotation is: true [2019-12-07 14:14:54,798 INFO L246 CegarLoopResult]: For program point L198-3(lines 198 202) no Hoare annotation was computed. [2019-12-07 14:14:54,799 INFO L246 CegarLoopResult]: For program point L198-6(lines 198 202) no Hoare annotation was computed. [2019-12-07 14:14:54,799 INFO L246 CegarLoopResult]: For program point L281(lines 281 294) no Hoare annotation was computed. [2019-12-07 14:14:54,799 INFO L242 CegarLoopResult]: At program point L281-1(lines 1 881) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,799 INFO L246 CegarLoopResult]: For program point L281-2(lines 281 294) no Hoare annotation was computed. [2019-12-07 14:14:54,799 INFO L242 CegarLoopResult]: At program point L281-3(lines 1 881) the Hoare annotation is: false [2019-12-07 14:14:54,799 INFO L246 CegarLoopResult]: For program point L281-4(lines 281 294) no Hoare annotation was computed. [2019-12-07 14:14:54,799 INFO L242 CegarLoopResult]: At program point L281-5(lines 1 881) the Hoare annotation is: false [2019-12-07 14:14:54,799 INFO L246 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-12-07 14:14:54,799 INFO L242 CegarLoopResult]: At program point L827(lines 822 830) 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 14:14:54,799 INFO L242 CegarLoopResult]: At program point L827-1(lines 822 830) the Hoare annotation is: false [2019-12-07 14:14:54,799 INFO L242 CegarLoopResult]: At program point L827-2(lines 822 830) the Hoare annotation is: false [2019-12-07 14:14:54,799 INFO L246 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L246 CegarLoopResult]: For program point L183-1(line 183) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L246 CegarLoopResult]: For program point L183-2(line 183) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L246 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L246 CegarLoopResult]: For program point L778-1(lines 778 786) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L246 CegarLoopResult]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2019-12-07 14:14:54,800 INFO L242 CegarLoopResult]: At program point L712-1(lines 742 748) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:14:54,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:14:54 BoogieIcfgContainer [2019-12-07 14:14:54,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:14:54,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:14:54,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:14:54,812 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:14:54,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:14:50" (3/4) ... [2019-12-07 14:14:54,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:14:54,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:14:54,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:14:54,827 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:14:54,827 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:14:54,827 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:14:54,828 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:14:54,828 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:14:54,849 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 14:14:54,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bda49afa-8bb8-42d7-83a4-f43a36847abc/bin/utaipan/witness.graphml [2019-12-07 14:14:54,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:14:54,879 INFO L168 Benchmark]: Toolchain (without parser) took 5237.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:54,879 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 14:14:54,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:54,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.72 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 14:14:54,879 INFO L168 Benchmark]: Boogie Preprocessor took 27.68 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 14:14:54,880 INFO L168 Benchmark]: RCFGBuilder took 482.31 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:54,880 INFO L168 Benchmark]: TraceAbstraction took 4208.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -31.0 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:54,880 INFO L168 Benchmark]: Witness Printer took 65.11 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:14:54,881 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 408.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 482.31 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4208.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -31.0 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Witness Printer took 65.11 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: 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: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 407 SDtfs, 560 SDslu, 627 SDs, 0 SdLazy, 118 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, 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, 7 MinimizatonAttempts, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 26195 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1496 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...