./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 ...................................................................................................................................... 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_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:10:02,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:10:02,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:10:02,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:10:02,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:10:02,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:10:02,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:10:02,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:10:02,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:10:02,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:10:02,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:10:02,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:10:02,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:10:02,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:10:02,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:10:02,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:10:02,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:10:02,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:10:02,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:10:02,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:10:02,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:10:02,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:10:02,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:10:02,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:10:02,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:10:02,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:10:02,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:10:02,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:10:02,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:10:02,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:10:02,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:10:02,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:10:02,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:10:02,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:10:02,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:10:02,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:10:02,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:10:02,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:10:02,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:10:02,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:10:02,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:10:02,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:10:02,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:10:02,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:10:02,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:10:02,395 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:10:02,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:10:02,395 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:10:02,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:10:02,396 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:10:02,396 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:10:02,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:10:02,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:10:02,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:10:02,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:10:02,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:10:02,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:10:02,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:10:02,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:10:02,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:10:02,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:10:02,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:10:02,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:10:02,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:10:02,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:10:02,399 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:10:02,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:10:02,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:10:02,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:10:02,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:10:02,400 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_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2019-12-07 21:10:02,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:10:02,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:10:02,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:10:02,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:10:02,514 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:10:02,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-12-07 21:10:02,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/ec2bd9871/5748e028244b4838ad9444e95237f162/FLAG2dce58cc1 [2019-12-07 21:10:03,015 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:10:03,015 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-12-07 21:10:03,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/ec2bd9871/5748e028244b4838ad9444e95237f162/FLAG2dce58cc1 [2019-12-07 21:10:03,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/ec2bd9871/5748e028244b4838ad9444e95237f162 [2019-12-07 21:10:03,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:10:03,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:10:03,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:10:03,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:10:03,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:10:03,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:10:03" (1/1) ... [2019-12-07 21:10:03,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794a9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:03, skipping insertion in model container [2019-12-07 21:10:03,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:10:03" (1/1) ... [2019-12-07 21:10:03,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:10:03,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:10:03,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:10:03,801 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 21:10:03,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4830971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:03, skipping insertion in model container [2019-12-07 21:10:03,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:10:03,802 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:10:03,804 INFO L168 Benchmark]: Toolchain (without parser) took 264.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:03,804 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:10:03,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:03,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 435]: 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 21:10:04,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:10:04,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:10:04,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:10:04,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:10:04,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:10:04,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:10:04,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:10:04,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:10:04,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:10:04,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:10:04,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:10:04,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:10:04,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:10:04,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:10:04,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:10:04,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:10:04,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:10:04,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:10:04,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:10:04,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:10:04,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:10:04,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:10:04,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:10:04,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:10:04,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:10:04,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:10:04,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:10:04,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:10:04,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:10:04,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:10:04,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:10:04,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:10:04,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:10:04,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:10:04,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:10:04,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:10:04,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:10:04,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:10:04,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:10:04,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:10:04,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:10:04,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:10:04,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:10:04,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:10:04,951 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:10:04,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:10:04,951 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:10:04,951 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:10:04,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:10:04,952 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:10:04,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:10:04,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:10:04,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:10:04,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:10:04,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:10:04,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:10:04,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:10:04,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:10:04,956 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_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2019-12-07 21:10:05,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:10:05,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:10:05,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:10:05,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:10:05,144 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:10:05,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-12-07 21:10:05,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/5d1f47c2c/0ecfd9931f9c486cbab80ccdb578cfe2/FLAGbb3ca3b5d [2019-12-07 21:10:05,545 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:10:05,546 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-12-07 21:10:05,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/5d1f47c2c/0ecfd9931f9c486cbab80ccdb578cfe2/FLAGbb3ca3b5d [2019-12-07 21:10:05,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/data/5d1f47c2c/0ecfd9931f9c486cbab80ccdb578cfe2 [2019-12-07 21:10:05,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:10:05,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:10:05,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:10:05,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:10:05,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:10:05,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:10:05" (1/1) ... [2019-12-07 21:10:05,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eae0e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:05, skipping insertion in model container [2019-12-07 21:10:05,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:10:05" (1/1) ... [2019-12-07 21:10:05,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:10:05,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:10:06,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:10:06,206 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:10:06,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:10:06,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:10:06,252 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:10:06,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:10:06,312 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:10:06,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06 WrapperNode [2019-12-07 21:10:06,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:10:06,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:10:06,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:10:06,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:10:06,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:10:06,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:10:06,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:10:06,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:10:06,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... [2019-12-07 21:10:06,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:10:06,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:10:06,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:10:06,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:10:06,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 21:10:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:10:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:10:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:10:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:10:06,887 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:10:06,887 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 21:10:06,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:10:06 BoogieIcfgContainer [2019-12-07 21:10:06,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:10:06,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:10:06,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:10:06,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:10:06,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:10:05" (1/3) ... [2019-12-07 21:10:06,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c22bd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:10:06, skipping insertion in model container [2019-12-07 21:10:06,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:06" (2/3) ... [2019-12-07 21:10:06,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c22bd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:10:06, skipping insertion in model container [2019-12-07 21:10:06,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:10:06" (3/3) ... [2019-12-07 21:10:06,893 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2019-12-07 21:10:06,900 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:10:06,905 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:10:06,913 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:10:06,929 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:10:06,929 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:10:06,929 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:10:06,930 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:10:06,930 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:10:06,930 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:10:06,930 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:10:06,930 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:10:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-12-07 21:10:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 21:10:06,945 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:10:06,945 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 21:10:06,945 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:10:06,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:10:06,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2019-12-07 21:10:06,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:10:06,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933234872] [2019-12-07 21:10:06,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 21:10:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:10:07,096 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:10:07,100 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:10:07,111 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 21:10:07,111 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:10:07,114 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 21:10:07,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933234872] [2019-12-07 21:10:07,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:10:07,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:10:07,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138810382] [2019-12-07 21:10:07,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:10:07,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:10:07,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:10:07,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:10:07,131 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2019-12-07 21:10:07,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:10:07,149 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2019-12-07 21:10:07,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:10:07,150 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 21:10:07,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:10:07,158 INFO L225 Difference]: With dead ends: 151 [2019-12-07 21:10:07,158 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 21:10:07,161 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 21:10:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 21:10:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 21:10:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 21:10:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-12-07 21:10:07,189 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2019-12-07 21:10:07,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:10:07,190 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-12-07 21:10:07,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:10:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-12-07 21:10:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:10:07,191 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:10:07,191 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 21:10:07,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:10:07,392 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:10:07,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:10:07,393 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2019-12-07 21:10:07,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:10:07,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832061051] [2019-12-07 21:10:07,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 21:10:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:10:07,628 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:10:07,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:10:07,643 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 21:10:07,643 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:10:07,651 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 21:10:07,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832061051] [2019-12-07 21:10:07,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:10:07,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:10:07,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894872329] [2019-12-07 21:10:07,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:10:07,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:10:07,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:10:07,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:10:07,654 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 4 states. [2019-12-07 21:10:07,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:10:07,666 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2019-12-07 21:10:07,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:10:07,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 21:10:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:10:07,668 INFO L225 Difference]: With dead ends: 75 [2019-12-07 21:10:07,668 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 21:10:07,669 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 21:10:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 21:10:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 21:10:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 21:10:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 21:10:07,674 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 21:10:07,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:10:07,674 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 21:10:07,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:10:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 21:10:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:10:07,675 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:10:07,675 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 21:10:07,876 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:10:07,877 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:10:07,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:10:07,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2019-12-07 21:10:07,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:10:07,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425430119] [2019-12-07 21:10:07,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 21:10:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:10:08,091 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:10:08,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:10:08,100 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 21:10:08,100 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:10:08,107 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 21:10:08,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425430119] [2019-12-07 21:10:08,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:10:08,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:10:08,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991982028] [2019-12-07 21:10:08,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:10:08,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:10:08,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:10:08,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:10:08,109 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 21:10:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:10:08,114 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2019-12-07 21:10:08,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:10:08,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 21:10:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:10:08,116 INFO L225 Difference]: With dead ends: 63 [2019-12-07 21:10:08,116 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 21:10:08,117 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 21:10:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 21:10:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 21:10:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 21:10:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-12-07 21:10:08,121 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-12-07 21:10:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:10:08,121 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-12-07 21:10:08,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:10:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-12-07 21:10:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 21:10:08,122 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:10:08,122 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 21:10:08,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:10:08,323 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:10:08,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:10:08,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2019-12-07 21:10:08,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:10:08,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229462221] [2019-12-07 21:10:08,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 21:10:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:10:08,456 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:10:08,457 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:10:08,471 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 21:10:08,471 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:10:08,477 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 21:10:08,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229462221] [2019-12-07 21:10:08,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:10:08,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:10:08,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148843674] [2019-12-07 21:10:08,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:10:08,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:10:08,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:10:08,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:10:08,479 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-12-07 21:10:08,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:10:08,546 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2019-12-07 21:10:08,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 21:10:08,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 21:10:08,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:10:08,548 INFO L225 Difference]: With dead ends: 154 [2019-12-07 21:10:08,548 INFO L226 Difference]: Without dead ends: 126 [2019-12-07 21:10:08,549 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 21:10:08,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-12-07 21:10:08,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2019-12-07 21:10:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 21:10:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2019-12-07 21:10:08,559 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2019-12-07 21:10:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:10:08,560 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2019-12-07 21:10:08,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:10:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-12-07 21:10:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 21:10:08,561 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:10:08,561 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 21:10:08,762 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:10:08,763 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:10:08,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:10:08,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2019-12-07 21:10:08,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:10:08,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121007792] [2019-12-07 21:10:08,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/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 21:10:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:10:09,011 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:10:09,013 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:10:09,026 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 21:10:09,026 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:10:09,028 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 21:10:09,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121007792] [2019-12-07 21:10:09,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:10:09,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:10:09,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599473972] [2019-12-07 21:10:09,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:10:09,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:10:09,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:10:09,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:10:09,030 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2019-12-07 21:10:09,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:10:09,100 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2019-12-07 21:10:09,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:10:09,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 21:10:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:10:09,101 INFO L225 Difference]: With dead ends: 150 [2019-12-07 21:10:09,101 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:10:09,102 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 21:10:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:10:09,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:10:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:10:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:10:09,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 21:10:09,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:10:09,103 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:10:09,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:10:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:10:09,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:10:09,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:10:09,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:10:09,561 INFO L246 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2019-12-07 21:10:09,561 INFO L246 CegarLoopResult]: For program point L349-2(lines 349 353) no Hoare annotation was computed. [2019-12-07 21:10:09,561 INFO L246 CegarLoopResult]: For program point L795(lines 795 801) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L795-2(lines 795 801) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L349-5(lines 349 353) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L795-4(lines 795 801) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L184-2(lines 215 221) no Hoare annotation was computed. [2019-12-07 21:10:09,562 INFO L246 CegarLoopResult]: For program point L349-8(lines 349 353) no Hoare annotation was computed. [2019-12-07 21:10:09,563 INFO L242 CegarLoopResult]: At program point L300(lines 295 303) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,563 INFO L242 CegarLoopResult]: At program point L779(lines 774 781) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:10:09,563 INFO L242 CegarLoopResult]: At program point L300-1(lines 295 303) the Hoare annotation is: false [2019-12-07 21:10:09,563 INFO L242 CegarLoopResult]: At program point L300-2(lines 295 303) the Hoare annotation is: false [2019-12-07 21:10:09,563 INFO L246 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2019-12-07 21:10:09,563 INFO L242 CegarLoopResult]: At program point L168-1(lines 168 174) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,563 INFO L246 CegarLoopResult]: For program point L895(lines 895 902) no Hoare annotation was computed. [2019-12-07 21:10:09,563 INFO L249 CegarLoopResult]: At program point L895-1(lines 895 902) the Hoare annotation is: true [2019-12-07 21:10:09,563 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:10:09,563 INFO L246 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L251-1(lines 251 259) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L242 CegarLoopResult]: At program point L385(lines 1 907) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L402-1(line 402) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L246 CegarLoopResult]: For program point L402-2(line 402) no Hoare annotation was computed. [2019-12-07 21:10:09,564 INFO L242 CegarLoopResult]: At program point L222(lines 222 228) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,564 INFO L242 CegarLoopResult]: At program point L222-1(lines 222 228) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L222-2(lines 222 228) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L355(lines 340 358) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L355-1(lines 340 358) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L355-2(lines 340 358) the Hoare annotation is: false [2019-12-07 21:10:09,565 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:10:09,565 INFO L246 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-12-07 21:10:09,565 INFO L242 CegarLoopResult]: At program point L158-1(lines 158 164) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,566 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2019-12-07 21:10:09,566 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 21:10:09,566 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:10:09,566 INFO L249 CegarLoopResult]: At program point L904(lines 885 907) the Hoare annotation is: true [2019-12-07 21:10:09,566 INFO L242 CegarLoopResult]: At program point L871(lines 867 873) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:10:09,566 INFO L242 CegarLoopResult]: At program point L194(lines 147 195) the Hoare annotation is: false [2019-12-07 21:10:09,566 INFO L246 CegarLoopResult]: For program point L178(lines 178 189) no Hoare annotation was computed. [2019-12-07 21:10:09,566 INFO L242 CegarLoopResult]: At program point L393(lines 388 396) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:10:09,566 INFO L246 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2019-12-07 21:10:09,566 INFO L242 CegarLoopResult]: At program point L790-1(lines 1 907) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,567 INFO L242 CegarLoopResult]: At program point L823-2(lines 823 837) the Hoare annotation is: false [2019-12-07 21:10:09,567 INFO L246 CegarLoopResult]: For program point L790-2(lines 790 807) no Hoare annotation was computed. [2019-12-07 21:10:09,567 INFO L242 CegarLoopResult]: At program point L790-3(lines 1 907) the Hoare annotation is: false [2019-12-07 21:10:09,567 INFO L246 CegarLoopResult]: For program point L790-4(lines 790 807) no Hoare annotation was computed. [2019-12-07 21:10:09,567 INFO L242 CegarLoopResult]: At program point L790-5(lines 1 907) the Hoare annotation is: false [2019-12-07 21:10:09,567 INFO L246 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2019-12-07 21:10:09,567 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-12-07 21:10:09,567 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-12-07 21:10:09,567 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 21:10:09,567 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-12-07 21:10:09,567 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L247(lines 247 264) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L247-1(lines 247 264) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L247-2(lines 247 264) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L242 CegarLoopResult]: At program point L215(lines 214 233) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L215-1(lines 215 221) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L149(lines 148 193) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L242 CegarLoopResult]: At program point L215-2(lines 214 233) the Hoare annotation is: false [2019-12-07 21:10:09,568 INFO L242 CegarLoopResult]: At program point L215-3(lines 214 233) the Hoare annotation is: false [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L794(lines 794 804) no Hoare annotation was computed. [2019-12-07 21:10:09,568 INFO L246 CegarLoopResult]: For program point L827-1(lines 215 221) no Hoare annotation was computed. [2019-12-07 21:10:09,569 INFO L246 CegarLoopResult]: For program point L794-2(lines 794 804) no Hoare annotation was computed. [2019-12-07 21:10:09,569 INFO L246 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2019-12-07 21:10:09,569 INFO L246 CegarLoopResult]: For program point L794-4(lines 794 804) no Hoare annotation was computed. [2019-12-07 21:10:09,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:10:09 BoogieIcfgContainer [2019-12-07 21:10:09,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:10:09,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:10:09,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:10:09,583 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:10:09,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:10:06" (3/4) ... [2019-12-07 21:10:09,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:10:09,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:10:09,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:10:09,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:10:09,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:10:09,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:10:09,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:10:09,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:10:09,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:10:09,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_843eb839-4e70-4c18-bec8-d5b563bb0e49/bin/utaipan/witness.graphml [2019-12-07 21:10:09,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:10:09,672 INFO L168 Benchmark]: Toolchain (without parser) took 3722.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 952.4 MB in the beginning and 788.9 MB in the end (delta: 163.5 MB). Peak memory consumption was 269.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:09,672 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 21:10:09,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:09,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:09,673 INFO L168 Benchmark]: Boogie Preprocessor took 27.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:10:09,673 INFO L168 Benchmark]: RCFGBuilder took 507.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:09,674 INFO L168 Benchmark]: TraceAbstraction took 2693.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 795.7 MB in the end (delta: 207.1 MB). Peak memory consumption was 207.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:09,674 INFO L168 Benchmark]: Witness Printer took 87.60 ms. Allocated memory is still 1.1 GB. Free memory was 795.7 MB in the beginning and 788.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:09,676 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 363.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 507.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2693.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 795.7 MB in the end (delta: 207.1 MB). Peak memory consumption was 207.1 MB. Max. memory is 11.5 GB. * Witness Printer took 87.60 ms. Allocated memory is still 1.1 GB. Free memory was 795.7 MB in the beginning and 788.9 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: 402]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 402]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 402]: 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: 168]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 328 SDtfs, 299 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 9 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=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1145 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 918 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...