./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ...................................................................................................................................... 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_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:45:40,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:45:40,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:45:40,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:45:40,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:45:40,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:45:40,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:45:40,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:45:40,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:45:40,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:45:40,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:45:40,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:45:40,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:45:40,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:45:40,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:45:40,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:45:40,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:45:40,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:45:40,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:45:40,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:45:40,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:45:40,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:45:40,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:45:40,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:45:40,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:45:40,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:45:40,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:45:40,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:45:40,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:45:40,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:45:40,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:45:40,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:45:40,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:45:40,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:45:40,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:45:40,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:45:40,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:45:40,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:45:40,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:45:40,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:45:40,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:45:40,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:45:40,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:45:40,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:45:40,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:45:40,077 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:45:40,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:45:40,078 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:45:40,079 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:45:40,079 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:45:40,079 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:45:40,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:45:40,080 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:45:40,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:45:40,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:45:40,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:45:40,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:45:40,082 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_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2019-12-07 20:45:40,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:45:40,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:45:40,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:45:40,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:45:40,208 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:45:40,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-12-07 20:45:40,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/eb31936d0/369ee501b18c45259cb71a55a59200a7/FLAGb1d09233e [2019-12-07 20:45:40,689 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:45:40,689 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-12-07 20:45:40,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/eb31936d0/369ee501b18c45259cb71a55a59200a7/FLAGb1d09233e [2019-12-07 20:45:40,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/eb31936d0/369ee501b18c45259cb71a55a59200a7 [2019-12-07 20:45:40,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:45:40,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:45:40,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:40,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:45:40,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:45:40,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:40" (1/1) ... [2019-12-07 20:45:40,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:40, skipping insertion in model container [2019-12-07 20:45:40,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:40" (1/1) ... [2019-12-07 20:45:40,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:45:40,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:45:40,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:41,002 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:45:41,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5027aed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:41, skipping insertion in model container [2019-12-07 20:45:41,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:41,003 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:45:41,006 INFO L168 Benchmark]: Toolchain (without parser) took 295.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:41,006 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:41,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:41,008 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 487]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:45:42,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:45:42,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:45:42,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:45:42,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:45:42,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:45:42,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:45:42,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:45:42,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:45:42,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:45:42,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:45:42,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:45:42,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:45:42,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:45:42,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:45:42,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:45:42,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:45:42,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:45:42,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:45:42,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:45:42,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:45:42,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:45:42,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:45:42,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:45:42,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:45:42,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:45:42,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:45:42,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:45:42,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:45:42,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:45:42,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:45:42,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:45:42,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:45:42,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:45:42,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:45:42,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:45:42,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:45:42,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:45:42,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:45:42,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:45:42,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:45:42,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:45:42,153 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:45:42,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:45:42,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:45:42,154 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:45:42,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:45:42,154 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:45:42,154 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:45:42,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:45:42,154 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:45:42,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:45:42,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:45:42,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:45:42,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:45:42,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:45:42,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:45:42,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:45:42,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:45:42,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:45:42,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:45:42,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:45:42,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:45:42,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:45:42,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:45:42,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:45:42,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:45:42,158 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:45:42,158 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:45:42,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:45:42,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:45:42,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:45:42,158 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_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2019-12-07 20:45:42,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:45:42,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:45:42,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:45:42,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:45:42,346 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:45:42,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-12-07 20:45:42,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/58a63f910/34524410ba8042e49a7c800eae8327e2/FLAGa0f25b40f [2019-12-07 20:45:42,856 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:45:42,857 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-12-07 20:45:42,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/58a63f910/34524410ba8042e49a7c800eae8327e2/FLAGa0f25b40f [2019-12-07 20:45:42,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/data/58a63f910/34524410ba8042e49a7c800eae8327e2 [2019-12-07 20:45:42,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:45:42,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:45:42,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:42,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:45:42,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:45:42,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:42" (1/1) ... [2019-12-07 20:45:42,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:42, skipping insertion in model container [2019-12-07 20:45:42,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:42" (1/1) ... [2019-12-07 20:45:42,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:45:42,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:45:43,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:43,132 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:45:43,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:45:43,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:43,178 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:45:43,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:43,235 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:45:43,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43 WrapperNode [2019-12-07 20:45:43,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:43,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:45:43,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:45:43,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:45:43,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:45:43,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:45:43,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:45:43,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:45:43,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:45:43,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:45:43,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:45:43,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:45:43,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:45:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:45:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:45:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:45:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:45:43,735 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:45:43,736 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-12-07 20:45:43,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:45:43 BoogieIcfgContainer [2019-12-07 20:45:43,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:45:43,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:45:43,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:45:43,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:45:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:45:42" (1/3) ... [2019-12-07 20:45:43,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6782b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:45:43, skipping insertion in model container [2019-12-07 20:45:43,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43" (2/3) ... [2019-12-07 20:45:43,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6782b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:45:43, skipping insertion in model container [2019-12-07 20:45:43,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:45:43" (3/3) ... [2019-12-07 20:45:43,744 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2019-12-07 20:45:43,753 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:45:43,760 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:45:43,770 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:45:43,792 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:45:43,792 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:45:43,792 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:45:43,793 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:45:43,793 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:45:43,793 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:45:43,793 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:45:43,793 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:45:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-12-07 20:45:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:45:43,809 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:43,809 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:43,810 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2019-12-07 20:45:43,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:43,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325683102] [2019-12-07 20:45:43,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:43,949 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:45:43,952 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:43,963 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:43,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325683102] [2019-12-07 20:45:43,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:43,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:45:43,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045148886] [2019-12-07 20:45:43,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:45:43,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:43,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:45:43,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:45:43,982 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-12-07 20:45:43,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:43,999 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-12-07 20:45:43,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:45:44,000 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:45:44,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:44,008 INFO L225 Difference]: With dead ends: 119 [2019-12-07 20:45:44,008 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 20:45:44,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:45:44,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 20:45:44,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 20:45:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 20:45:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-12-07 20:45:44,037 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-12-07 20:45:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:44,038 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-12-07 20:45:44,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:45:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-12-07 20:45:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:45:44,039 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:44,039 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:44,239 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:45:44,240 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:44,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:44,241 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2019-12-07 20:45:44,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:44,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097929670] [2019-12-07 20:45:44,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:44,422 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:45:44,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:44,436 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:44,444 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097929670] [2019-12-07 20:45:44,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:44,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:45:44,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103594691] [2019-12-07 20:45:44,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:45:44,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:45:44,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:44,446 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 4 states. [2019-12-07 20:45:44,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:44,455 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-12-07 20:45:44,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:45:44,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:45:44,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:44,456 INFO L225 Difference]: With dead ends: 59 [2019-12-07 20:45:44,457 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 20:45:44,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:44,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 20:45:44,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 20:45:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 20:45:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 20:45:44,461 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-12-07 20:45:44,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:44,461 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 20:45:44,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:45:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 20:45:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:45:44,462 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:44,462 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 20:45:44,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:45:44,663 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:44,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2019-12-07 20:45:44,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:44,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862157403] [2019-12-07 20:45:44,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:44,847 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:45:44,849 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:44,859 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:44,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862157403] [2019-12-07 20:45:44,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:44,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:45:44,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815725886] [2019-12-07 20:45:44,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:45:44,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:44,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:45:44,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:44,870 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 20:45:44,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:44,890 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-12-07 20:45:44,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:45:44,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:45:44,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:44,892 INFO L225 Difference]: With dead ends: 103 [2019-12-07 20:45:44,892 INFO L226 Difference]: Without dead ends: 79 [2019-12-07 20:45:44,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:44,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-12-07 20:45:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2019-12-07 20:45:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 20:45:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-12-07 20:45:44,902 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2019-12-07 20:45:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:44,903 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-12-07 20:45:44,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:45:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-12-07 20:45:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:45:44,904 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:44,904 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:45,104 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:45:45,105 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:45,105 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2019-12-07 20:45:45,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:45,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584772679] [2019-12-07 20:45:45,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:45,220 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:45:45,221 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:45,239 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:45,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584772679] [2019-12-07 20:45:45,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:45,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:45:45,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507020063] [2019-12-07 20:45:45,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:45:45,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:45,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:45:45,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:45:45,250 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2019-12-07 20:45:45,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:45,332 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2019-12-07 20:45:45,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:45:45,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 20:45:45,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:45,334 INFO L225 Difference]: With dead ends: 219 [2019-12-07 20:45:45,334 INFO L226 Difference]: Without dead ends: 175 [2019-12-07 20:45:45,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:45:45,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-12-07 20:45:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2019-12-07 20:45:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 20:45:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2019-12-07 20:45:45,346 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2019-12-07 20:45:45,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:45,347 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2019-12-07 20:45:45,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:45:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-12-07 20:45:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:45:45,348 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:45,348 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] [2019-12-07 20:45:45,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:45:45,549 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:45,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:45,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2019-12-07 20:45:45,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:45,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893346073] [2019-12-07 20:45:45,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:45,711 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:45:45,712 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:45,725 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:45,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893346073] [2019-12-07 20:45:45,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:45,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:45:45,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401208825] [2019-12-07 20:45:45,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:45:45,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:45,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:45:45,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:45:45,729 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2019-12-07 20:45:45,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:45,798 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2019-12-07 20:45:45,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:45:45,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 20:45:45,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:45,799 INFO L225 Difference]: With dead ends: 271 [2019-12-07 20:45:45,799 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:45:45,800 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:45:45,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:45:45,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:45:45,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:45:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:45:45,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 20:45:45,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:45,800 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:45:45,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:45:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:45:45,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:45:46,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:45:46,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:45:46,236 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-12-07 20:45:46,236 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:45:46,236 INFO L246 CegarLoopResult]: For program point L186(lines 185 232) no Hoare annotation was computed. [2019-12-07 20:45:46,236 INFO L246 CegarLoopResult]: For program point L847(lines 847 857) no Hoare annotation was computed. [2019-12-07 20:45:46,236 INFO L246 CegarLoopResult]: For program point L847-2(lines 847 857) no Hoare annotation was computed. [2019-12-07 20:45:46,236 INFO L246 CegarLoopResult]: For program point L847-4(lines 847 857) no Hoare annotation was computed. [2019-12-07 20:45:46,236 INFO L242 CegarLoopResult]: At program point L286(lines 281 289) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,236 INFO L242 CegarLoopResult]: At program point L286-1(lines 281 289) the Hoare annotation is: false [2019-12-07 20:45:46,237 INFO L242 CegarLoopResult]: At program point L286-2(lines 281 289) the Hoare annotation is: false [2019-12-07 20:45:46,237 INFO L246 CegarLoopResult]: For program point L187(lines 187 191) no Hoare annotation was computed. [2019-12-07 20:45:46,237 INFO L246 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-12-07 20:45:46,237 INFO L246 CegarLoopResult]: For program point L848-2(lines 848 854) no Hoare annotation was computed. [2019-12-07 20:45:46,237 INFO L246 CegarLoopResult]: For program point L848-4(lines 848 854) no Hoare annotation was computed. [2019-12-07 20:45:46,237 INFO L242 CegarLoopResult]: At program point L832(lines 827 834) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:46,237 INFO L246 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-12-07 20:45:46,237 INFO L242 CegarLoopResult]: At program point L221-1(lines 57 63) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,237 INFO L246 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2019-12-07 20:45:46,237 INFO L242 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,237 INFO L242 CegarLoopResult]: At program point L420(lines 416 422) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:46,238 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,238 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:45:46,238 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-12-07 20:45:46,238 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-12-07 20:45:46,238 INFO L249 CegarLoopResult]: At program point L454(lines 435 457) the Hoare annotation is: true [2019-12-07 20:45:46,238 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:45:46,238 INFO L242 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: false [2019-12-07 20:45:46,238 INFO L246 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-12-07 20:45:46,238 INFO L242 CegarLoopResult]: At program point L356(lines 351 359) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L869-2(line 869) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L242 CegarLoopResult]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L376-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-12-07 20:45:46,239 INFO L246 CegarLoopResult]: For program point L195(lines 195 201) no Hoare annotation was computed. [2019-12-07 20:45:46,240 INFO L242 CegarLoopResult]: At program point L195-1(lines 195 201) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,240 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,240 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-12-07 20:45:46,240 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-12-07 20:45:46,240 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:45:46,240 INFO L246 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2019-12-07 20:45:46,240 INFO L249 CegarLoopResult]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2019-12-07 20:45:46,240 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-12-07 20:45:46,240 INFO L246 CegarLoopResult]: For program point L215(lines 215 228) no Hoare annotation was computed. [2019-12-07 20:45:46,240 INFO L242 CegarLoopResult]: At program point L116(lines 111 119) 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 20:45:46,240 INFO L242 CegarLoopResult]: At program point L116-1(lines 111 119) the Hoare annotation is: false [2019-12-07 20:45:46,241 INFO L242 CegarLoopResult]: At program point L116-2(lines 111 119) the Hoare annotation is: false [2019-12-07 20:45:46,241 INFO L246 CegarLoopResult]: For program point L843(lines 843 860) no Hoare annotation was computed. [2019-12-07 20:45:46,241 INFO L242 CegarLoopResult]: At program point L843-1(lines 1 872) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:46,241 INFO L246 CegarLoopResult]: For program point L843-2(lines 843 860) no Hoare annotation was computed. [2019-12-07 20:45:46,241 INFO L242 CegarLoopResult]: At program point L843-3(lines 1 872) the Hoare annotation is: false [2019-12-07 20:45:46,241 INFO L246 CegarLoopResult]: For program point L843-4(lines 843 860) no Hoare annotation was computed. [2019-12-07 20:45:46,241 INFO L242 CegarLoopResult]: At program point L843-5(lines 1 872) the Hoare annotation is: false [2019-12-07 20:45:46,241 INFO L242 CegarLoopResult]: At program point L348(lines 1 872) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:46,241 INFO L246 CegarLoopResult]: For program point L249(lines 249 253) no Hoare annotation was computed. [2019-12-07 20:45:46,241 INFO L246 CegarLoopResult]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2019-12-07 20:45:46,241 INFO L246 CegarLoopResult]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2019-12-07 20:45:46,241 INFO L242 CegarLoopResult]: At program point L233(lines 184 234) the Hoare annotation is: false [2019-12-07 20:45:46,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:45:46 BoogieIcfgContainer [2019-12-07 20:45:46,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:45:46,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:45:46,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:45:46,256 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:45:46,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:45:43" (3/4) ... [2019-12-07 20:45:46,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:45:46,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:45:46,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:45:46,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:45:46,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:45:46,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:45:46,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:45:46,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:45:46,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:45:46,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_99d9cb63-49b1-4f61-b6f7-7dd371059b6b/bin/utaipan/witness.graphml [2019-12-07 20:45:46,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:45:46,325 INFO L168 Benchmark]: Toolchain (without parser) took 3448.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 810.2 MB in the end (delta: 143.5 MB). Peak memory consumption was 273.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:46,325 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:46,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:46,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:46,326 INFO L168 Benchmark]: Boogie Preprocessor took 25.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:46,326 INFO L168 Benchmark]: RCFGBuilder took 437.57 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: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:46,326 INFO L168 Benchmark]: TraceAbstraction took 2517.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 817.0 MB in the end (delta: 214.2 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:46,326 INFO L168 Benchmark]: Witness Printer took 68.22 ms. Allocated memory is still 1.2 GB. Free memory was 817.0 MB in the beginning and 810.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:46,328 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.31 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 25.20 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 437.57 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: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2517.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 817.0 MB in the end (delta: 214.2 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. * Witness Printer took 68.22 ms. Allocated memory is still 1.2 GB. Free memory was 817.0 MB in the beginning and 810.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 869]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 869]: 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: 351]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 287 SDtfs, 355 SDslu, 331 SDs, 0 SdLazy, 45 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 128 HoareAnnotationTreeSize, 27 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 9538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 916 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...