./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 ...................................................................................................................................... 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_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:13:22,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:13:22,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:13:22,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:13:22,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:13:22,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:13:22,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:13:22,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:13:22,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:13:22,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:13:22,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:13:22,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:13:22,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:13:22,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:13:22,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:13:22,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:13:22,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:13:22,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:13:22,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:13:22,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:13:22,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:13:22,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:13:22,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:13:22,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:13:22,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:13:22,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:13:22,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:13:22,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:13:22,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:13:22,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:13:22,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:13:22,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:13:22,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:13:22,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:13:22,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:13:22,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:13:22,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:13:22,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:13:22,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:13:22,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:13:22,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:13:22,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:13:22,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:13:22,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:13:22,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:13:22,701 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:13:22,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:13:22,701 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:13:22,701 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:13:22,701 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:13:22,701 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:13:22,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:13:22,702 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:13:22,702 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:13:22,702 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:13:22,702 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:13:22,702 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:13:22,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:13:22,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:13:22,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:13:22,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:13:22,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:13:22,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:13:22,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:13:22,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:13:22,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:13:22,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:13:22,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:13:22,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:13:22,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:13:22,706 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:13:22,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:13:22,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:13:22,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:13:22,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:13:22,706 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_4ffbd785-694e-4805-858c-f0019d94016c/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2019-12-07 13:13:22,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:13:22,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:13:22,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:13:22,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:13:22,833 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:13:22,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-12-07 13:13:22,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/f8486a965/47023e71aa8f4f8a9d6c8b57dcc91506/FLAG2b4f5a9a4 [2019-12-07 13:13:23,228 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:13:23,229 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-12-07 13:13:23,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/f8486a965/47023e71aa8f4f8a9d6c8b57dcc91506/FLAG2b4f5a9a4 [2019-12-07 13:13:23,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/f8486a965/47023e71aa8f4f8a9d6c8b57dcc91506 [2019-12-07 13:13:23,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:13:23,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:13:23,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:13:23,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:13:23,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:13:23,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:23" (1/1) ... [2019-12-07 13:13:23,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:23, skipping insertion in model container [2019-12-07 13:13:23,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:23" (1/1) ... [2019-12-07 13:13:23,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:13:23,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:13:23,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:13:23,919 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 13:13:23,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@24727b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:23, skipping insertion in model container [2019-12-07 13:13:23,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:13:23,920 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:13:23,921 INFO L168 Benchmark]: Toolchain (without parser) took 279.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:23,922 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:13:23,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:23,924 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 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 343]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:13:25,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:13:25,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:13:25,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:13:25,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:13:25,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:13:25,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:13:25,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:13:25,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:13:25,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:13:25,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:13:25,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:13:25,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:13:25,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:13:25,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:13:25,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:13:25,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:13:25,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:13:25,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:13:25,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:13:25,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:13:25,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:13:25,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:13:25,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:13:25,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:13:25,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:13:25,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:13:25,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:13:25,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:13:25,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:13:25,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:13:25,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:13:25,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:13:25,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:13:25,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:13:25,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:13:25,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:13:25,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:13:25,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:13:25,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:13:25,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:13:25,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:13:25,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:13:25,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:13:25,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:13:25,116 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:13:25,116 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:13:25,116 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:13:25,117 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:13:25,117 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:13:25,117 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:13:25,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:13:25,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:13:25,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:13:25,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:13:25,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:13:25,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:13:25,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:13:25,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:13:25,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:13:25,119 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:13:25,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:13:25,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:13:25,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:13:25,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:13:25,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:13:25,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:13:25,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:13:25,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:13:25,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:13:25,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:13:25,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:13:25,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:13:25,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:13:25,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:13:25,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:13:25,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:13:25,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:13:25,123 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_4ffbd785-694e-4805-858c-f0019d94016c/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2019-12-07 13:13:25,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:13:25,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:13:25,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:13:25,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:13:25,297 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:13:25,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-12-07 13:13:25,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/e52cd1da2/6af44b4ea9734ff6a35d72bbb5b7aeec/FLAG7d5e925f0 [2019-12-07 13:13:25,731 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:13:25,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-12-07 13:13:25,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/e52cd1da2/6af44b4ea9734ff6a35d72bbb5b7aeec/FLAG7d5e925f0 [2019-12-07 13:13:25,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/data/e52cd1da2/6af44b4ea9734ff6a35d72bbb5b7aeec [2019-12-07 13:13:25,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:13:25,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:13:25,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:13:25,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:13:25,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:13:25,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:25" (1/1) ... [2019-12-07 13:13:25,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:25, skipping insertion in model container [2019-12-07 13:13:25,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:25" (1/1) ... [2019-12-07 13:13:25,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:13:25,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:13:26,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:13:26,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:13:26,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:13:26,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:13:26,062 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:13:26,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:13:26,122 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:13:26,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26 WrapperNode [2019-12-07 13:13:26,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:13:26,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:13:26,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:13:26,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:13:26,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:13:26,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:13:26,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:13:26,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:13:26,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... [2019-12-07 13:13:26,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:13:26,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:13:26,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:13:26,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:13:26,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:13:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:13:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:13:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:13:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:13:26,679 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:13:26,679 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 13:13:26,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:26 BoogieIcfgContainer [2019-12-07 13:13:26,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:13:26,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:13:26,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:13:26,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:13:26,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:13:25" (1/3) ... [2019-12-07 13:13:26,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a3816b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:13:26, skipping insertion in model container [2019-12-07 13:13:26,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:26" (2/3) ... [2019-12-07 13:13:26,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a3816b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:13:26, skipping insertion in model container [2019-12-07 13:13:26,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:26" (3/3) ... [2019-12-07 13:13:26,687 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2019-12-07 13:13:26,696 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:13:26,703 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:13:26,714 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:13:26,734 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:13:26,735 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:13:26,735 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:13:26,735 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:13:26,735 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:13:26,735 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:13:26,735 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:13:26,735 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:13:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-12-07 13:13:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:13:26,750 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:26,751 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 13:13:26,751 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:26,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:26,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2019-12-07 13:13:26,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:13:26,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938217358] [2019-12-07 13:13:26,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:13:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:26,897 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:13:26,901 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:26,913 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:13:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:26,918 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938217358] [2019-12-07 13:13:26,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:26,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:13:26,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028600334] [2019-12-07 13:13:26,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:13:26,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:13:26,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:13:26,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:13:26,934 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-12-07 13:13:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:26,955 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-12-07 13:13:26,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:13:26,957 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:13:26,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:26,966 INFO L225 Difference]: With dead ends: 155 [2019-12-07 13:13:26,966 INFO L226 Difference]: Without dead ends: 77 [2019-12-07 13:13:26,969 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 13:13:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-12-07 13:13:26,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-12-07 13:13:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 13:13:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-12-07 13:13:27,000 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-12-07 13:13:27,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:27,000 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-12-07 13:13:27,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:13:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-12-07 13:13:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:13:27,001 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:27,002 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 13:13:27,202 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:13:27,203 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:27,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:27,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2019-12-07 13:13:27,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:13:27,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900552927] [2019-12-07 13:13:27,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:13:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:27,402 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:13:27,404 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:27,418 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:13:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:27,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900552927] [2019-12-07 13:13:27,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:27,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:13:27,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481556029] [2019-12-07 13:13:27,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:13:27,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:13:27,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:13:27,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:13:27,431 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 4 states. [2019-12-07 13:13:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:27,445 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-12-07 13:13:27,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:13:27,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:13:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:27,446 INFO L225 Difference]: With dead ends: 77 [2019-12-07 13:13:27,447 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 13:13:27,448 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 13:13:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 13:13:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 13:13:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 13:13:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-12-07 13:13:27,453 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-12-07 13:13:27,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:27,453 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-12-07 13:13:27,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:13:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-07 13:13:27,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:13:27,455 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:27,455 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 13:13:27,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:13:27,655 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:27,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:27,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2019-12-07 13:13:27,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:13:27,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597855544] [2019-12-07 13:13:27,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:13:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:27,756 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:13:27,758 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:27,766 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:13:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:27,773 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597855544] [2019-12-07 13:13:27,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:27,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:13:27,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670399382] [2019-12-07 13:13:27,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:13:27,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:13:27,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:13:27,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:13:27,774 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2019-12-07 13:13:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:27,834 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2019-12-07 13:13:27,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:13:27,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:13:27,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:27,836 INFO L225 Difference]: With dead ends: 121 [2019-12-07 13:13:27,836 INFO L226 Difference]: Without dead ends: 91 [2019-12-07 13:13:27,837 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 13:13:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-12-07 13:13:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2019-12-07 13:13:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 13:13:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2019-12-07 13:13:27,848 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2019-12-07 13:13:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:27,849 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2019-12-07 13:13:27,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:13:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2019-12-07 13:13:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:13:27,850 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:27,850 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 13:13:28,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:13:28,052 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:28,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:28,053 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2019-12-07 13:13:28,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:13:28,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526887967] [2019-12-07 13:13:28,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 13:13:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:28,203 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:13:28,204 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:28,219 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:13:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:28,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526887967] [2019-12-07 13:13:28,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:28,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:13:28,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085919784] [2019-12-07 13:13:28,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:13:28,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:13:28,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:13:28,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:13:28,227 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 5 states. [2019-12-07 13:13:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:28,299 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2019-12-07 13:13:28,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:13:28,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 13:13:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:28,301 INFO L225 Difference]: With dead ends: 261 [2019-12-07 13:13:28,301 INFO L226 Difference]: Without dead ends: 211 [2019-12-07 13:13:28,302 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 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 13:13:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-12-07 13:13:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2019-12-07 13:13:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 13:13:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2019-12-07 13:13:28,314 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2019-12-07 13:13:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:28,314 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2019-12-07 13:13:28,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:13:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2019-12-07 13:13:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:13:28,315 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:28,315 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 13:13:28,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:13:28,517 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:28,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:28,518 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2019-12-07 13:13:28,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:13:28,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671173468] [2019-12-07 13:13:28,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 13:13:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:28,666 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:13:28,667 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:28,680 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:13:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:13:28,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671173468] [2019-12-07 13:13:28,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:28,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:13:28,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284461698] [2019-12-07 13:13:28,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:13:28,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:13:28,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:13:28,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:13:28,685 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand 5 states. [2019-12-07 13:13:28,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:28,769 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2019-12-07 13:13:28,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:13:28,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 13:13:28,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:28,770 INFO L225 Difference]: With dead ends: 289 [2019-12-07 13:13:28,770 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:13:28,771 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 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 13:13:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:13:28,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:13:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:13:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:13:28,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 13:13:28,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:28,772 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:13:28,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:13:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:13:28,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:13:28,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:13:28,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:13:29,234 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-12-07 13:13:29,234 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:13:29,234 INFO L246 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2019-12-07 13:13:29,234 INFO L249 CegarLoopResult]: At program point L301-1(lines 301 308) the Hoare annotation is: true [2019-12-07 13:13:29,234 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,234 INFO L242 CegarLoopResult]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-12-07 13:13:29,234 INFO L242 CegarLoopResult]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L732(lines 732 747) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L685(line 685) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L242 CegarLoopResult]: At program point L107(lines 1 936) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L685-2(line 685) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L242 CegarLoopResult]: At program point L752(lines 701 753) the Hoare annotation is: false [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L802(lines 802 819) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L802-1(lines 802 819) no Hoare annotation was computed. [2019-12-07 13:13:29,235 INFO L246 CegarLoopResult]: For program point L802-2(lines 802 819) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L246 CegarLoopResult]: For program point L703(lines 702 751) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L246 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L242 CegarLoopResult]: At program point L918-1(lines 918 924) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,236 INFO L242 CegarLoopResult]: At program point L770(lines 769 788) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,236 INFO L246 CegarLoopResult]: For program point L770-1(lines 770 776) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L246 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L242 CegarLoopResult]: At program point L770-2(lines 769 788) the Hoare annotation is: false [2019-12-07 13:13:29,236 INFO L242 CegarLoopResult]: At program point L770-3(lines 769 788) the Hoare annotation is: false [2019-12-07 13:13:29,236 INFO L246 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-12-07 13:13:29,236 INFO L242 CegarLoopResult]: At program point L60-1(lines 1 936) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,237 INFO L246 CegarLoopResult]: For program point L60-2(lines 60 77) no Hoare annotation was computed. [2019-12-07 13:13:29,237 INFO L242 CegarLoopResult]: At program point L60-3(lines 1 936) the Hoare annotation is: false [2019-12-07 13:13:29,237 INFO L246 CegarLoopResult]: For program point L60-4(lines 60 77) no Hoare annotation was computed. [2019-12-07 13:13:29,237 INFO L242 CegarLoopResult]: At program point L60-5(lines 1 936) the Hoare annotation is: false [2019-12-07 13:13:29,237 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:13:29,237 INFO L242 CegarLoopResult]: At program point L276(lines 272 278) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:13:29,237 INFO L246 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-12-07 13:13:29,237 INFO L242 CegarLoopResult]: At program point L210(lines 205 213) the Hoare annotation is: false [2019-12-07 13:13:29,237 INFO L242 CegarLoopResult]: At program point L722-1(lines 722 728) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,237 INFO L242 CegarLoopResult]: At program point L210-1(lines 205 213) the Hoare annotation is: false [2019-12-07 13:13:29,237 INFO L246 CegarLoopResult]: For program point L144(lines 144 148) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L242 CegarLoopResult]: At program point L210-2(lines 205 213) the Hoare annotation is: false [2019-12-07 13:13:29,238 INFO L246 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L246 CegarLoopResult]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L246 CegarLoopResult]: For program point L904-5(lines 904 908) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L246 CegarLoopResult]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L242 CegarLoopResult]: At program point L227-2(lines 227 241) the Hoare annotation is: false [2019-12-07 13:13:29,238 INFO L246 CegarLoopResult]: For program point L904-8(lines 904 908) no Hoare annotation was computed. [2019-12-07 13:13:29,238 INFO L242 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,238 INFO L242 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2019-12-07 13:13:29,238 INFO L249 CegarLoopResult]: At program point L310(lines 291 313) the Hoare annotation is: true [2019-12-07 13:13:29,239 INFO L242 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L806(lines 806 814) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L806-1(lines 806 814) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L740(lines 740 746) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L806-2(lines 806 814) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L242 CegarLoopResult]: At program point L740-1(lines 770 776) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L64-2(lines 64 74) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L64-4(lines 64 74) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 13:13:29,239 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L242 CegarLoopResult]: At program point L115(lines 110 118) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:13:29,240 INFO L242 CegarLoopResult]: At program point L49(lines 44 51) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L231-1(lines 770 776) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L132-3(lines 132 136) no Hoare annotation was computed. [2019-12-07 13:13:29,240 INFO L246 CegarLoopResult]: For program point L132-6(lines 132 136) no Hoare annotation was computed. [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L777(lines 777 783) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L777-1(lines 777 783) the Hoare annotation is: false [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L777-2(lines 777 783) the Hoare annotation is: false [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L910(lines 895 913) the Hoare annotation is: false [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L910-1(lines 895 913) the Hoare annotation is: false [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L910-2(lines 895 913) the Hoare annotation is: false [2019-12-07 13:13:29,241 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-12-07 13:13:29,241 INFO L242 CegarLoopResult]: At program point L712-1(lines 712 718) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:13:29,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:13:29 BoogieIcfgContainer [2019-12-07 13:13:29,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:13:29,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:13:29,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:13:29,254 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:13:29,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:26" (3/4) ... [2019-12-07 13:13:29,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:13:29,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:13:29,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:13:29,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:13:29,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:13:29,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:13:29,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:13:29,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:13:29,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 13:13:29,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4ffbd785-694e-4805-858c-f0019d94016c/bin/utaipan/witness.graphml [2019-12-07 13:13:29,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:13:29,334 INFO L168 Benchmark]: Toolchain (without parser) took 3582.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -252.9 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:29,334 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:13:29,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:29,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:29,334 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:13:29,335 INFO L168 Benchmark]: RCFGBuilder took 486.79 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: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:29,335 INFO L168 Benchmark]: TraceAbstraction took 2571.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 825.0 MB in the end (delta: 227.8 MB). Peak memory consumption was 227.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:29,335 INFO L168 Benchmark]: Witness Printer took 78.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 825.0 MB in the beginning and 1.2 GB in the end (delta: -381.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:29,336 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 370.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.67 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 28.33 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 486.79 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: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2571.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 825.0 MB in the end (delta: 227.8 MB). Peak memory consumption was 227.8 MB. Max. memory is 11.5 GB. * Witness Printer took 78.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 825.0 MB in the beginning and 1.2 GB in the end (delta: -381.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 685]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 685]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 685]: 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: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 777]: 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: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 350 SDtfs, 389 SDslu, 439 SDs, 0 SdLazy, 52 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred 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, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 921 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...