./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.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_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ...................................................................................................................................... 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_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:20:26,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:20:26,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:20:26,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:20:26,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:20:26,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:20:26,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:20:26,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:20:26,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:20:26,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:20:26,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:20:26,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:20:26,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:20:26,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:20:26,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:20:26,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:20:26,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:20:26,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:20:26,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:20:26,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:20:26,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:20:26,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:20:26,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:20:26,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:20:26,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:20:26,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:20:26,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:20:26,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:20:26,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:20:26,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:20:26,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:20:26,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:20:26,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:20:26,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:20:26,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:20:26,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:20:26,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:20:26,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:20:26,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:20:26,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:20:26,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:20:26,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:20:26,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:20:26,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:20:26,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:20:26,429 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:20:26,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:20:26,429 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:20:26,429 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:20:26,429 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:20:26,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:20:26,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:20:26,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:20:26,430 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:20:26,430 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:20:26,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:20:26,430 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:20:26,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:20:26,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:20:26,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:20:26,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:20:26,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:20:26,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:20:26,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:20:26,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:20:26,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:26,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:20:26,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:20:26,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:20:26,434 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_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2019-12-07 10:20:26,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:20:26,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:20:26,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:20:26,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:20:26,545 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:20:26,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-12-07 10:20:26,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/b6087a929/31c0801abbd54cdaa80c28d329632672/FLAG8ca4e4d44 [2019-12-07 10:20:27,015 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:20:27,016 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-12-07 10:20:27,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/b6087a929/31c0801abbd54cdaa80c28d329632672/FLAG8ca4e4d44 [2019-12-07 10:20:27,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/b6087a929/31c0801abbd54cdaa80c28d329632672 [2019-12-07 10:20:27,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:20:27,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:20:27,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:27,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:20:27,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:20:27,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:27" (1/1) ... [2019-12-07 10:20:27,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:27, skipping insertion in model container [2019-12-07 10:20:27,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:27" (1/1) ... [2019-12-07 10:20:27,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:20:27,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:27,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:27,284 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 10:20:27,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ed06ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:27, skipping insertion in model container [2019-12-07 10:20:27,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:27,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:20:27,286 INFO L168 Benchmark]: Toolchain (without parser) took 250.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:27,287 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:27,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:27,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 307]: 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 10:20:28,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:20:28,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:20:28,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:20:28,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:20:28,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:20:28,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:20:28,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:20:28,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:20:28,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:20:28,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:20:28,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:20:28,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:20:28,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:20:28,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:20:28,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:20:28,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:20:28,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:20:28,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:20:28,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:20:28,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:20:28,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:20:28,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:20:28,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:20:28,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:20:28,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:20:28,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:20:28,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:20:28,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:20:28,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:20:28,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:20:28,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:20:28,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:20:28,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:20:28,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:20:28,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:20:28,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:20:28,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:20:28,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:20:28,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:20:28,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:20:28,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:20:28,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:20:28,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:20:28,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:20:28,447 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:20:28,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:20:28,447 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:20:28,447 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:20:28,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:20:28,447 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:20:28,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:20:28,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:20:28,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:20:28,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:20:28,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:20:28,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:20:28,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:20:28,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:20:28,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:28,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:20:28,450 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:20:28,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:20:28,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:20:28,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:20:28,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:20:28,451 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_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2019-12-07 10:20:28,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:20:28,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:20:28,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:20:28,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:20:28,626 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:20:28,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-12-07 10:20:28,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/44c44e4b2/0beeaa7c6eed42398377d2eafb4941f6/FLAG216f158a4 [2019-12-07 10:20:29,109 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:20:29,109 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-12-07 10:20:29,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/44c44e4b2/0beeaa7c6eed42398377d2eafb4941f6/FLAG216f158a4 [2019-12-07 10:20:29,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/data/44c44e4b2/0beeaa7c6eed42398377d2eafb4941f6 [2019-12-07 10:20:29,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:20:29,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:20:29,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:29,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:20:29,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:20:29,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29, skipping insertion in model container [2019-12-07 10:20:29,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:20:29,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:29,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:29,375 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:20:29,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:29,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:29,422 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:20:29,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:29,481 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:20:29,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29 WrapperNode [2019-12-07 10:20:29,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:29,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:29,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:20:29,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:20:29,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:29,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:20:29,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:20:29,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:20:29,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... [2019-12-07 10:20:29,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:20:29,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:20:29,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:20:29,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:20:29,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 10:20:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:20:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:20:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:20:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:20:30,067 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:20:30,067 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 10:20:30,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:30 BoogieIcfgContainer [2019-12-07 10:20:30,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:20:30,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:20:30,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:20:30,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:20:30,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:20:29" (1/3) ... [2019-12-07 10:20:30,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee1aa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:30, skipping insertion in model container [2019-12-07 10:20:30,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:29" (2/3) ... [2019-12-07 10:20:30,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee1aa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:30, skipping insertion in model container [2019-12-07 10:20:30,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:30" (3/3) ... [2019-12-07 10:20:30,075 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2019-12-07 10:20:30,083 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:20:30,090 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:20:30,100 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:20:30,116 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:20:30,116 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:20:30,116 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:20:30,116 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:20:30,116 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:20:30,116 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:20:30,116 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:20:30,116 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:20:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 10:20:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:20:30,131 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:30,132 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:30,132 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:30,136 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-12-07 10:20:30,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:30,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954162994] [2019-12-07 10:20:30,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 10:20:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:30,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:20:30,283 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:30,293 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 10:20:30,293 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:30,296 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 10:20:30,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954162994] [2019-12-07 10:20:30,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:30,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:20:30,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263659682] [2019-12-07 10:20:30,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:20:30,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:30,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:20:30,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:20:30,312 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 10:20:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:30,329 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 10:20:30,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:20:30,330 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:20:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:30,338 INFO L225 Difference]: With dead ends: 136 [2019-12-07 10:20:30,338 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 10:20:30,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:20:30,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 10:20:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 10:20:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 10:20:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 10:20:30,367 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 10:20:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:30,368 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 10:20:30,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:20:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 10:20:30,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:20:30,369 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:30,369 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:30,569 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:20:30,570 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:30,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:30,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-12-07 10:20:30,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:30,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99689139] [2019-12-07 10:20:30,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 10:20:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:30,780 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:20:30,782 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:30,795 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 10:20:30,795 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:30,804 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 10:20:30,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99689139] [2019-12-07 10:20:30,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:30,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:20:30,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939458353] [2019-12-07 10:20:30,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:20:30,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:30,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:20:30,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:30,806 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 10:20:30,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:30,816 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 10:20:30,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:30,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 10:20:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:30,817 INFO L225 Difference]: With dead ends: 67 [2019-12-07 10:20:30,817 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 10:20:30,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:30,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 10:20:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 10:20:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 10:20:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 10:20:30,822 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 10:20:30,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:30,822 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 10:20:30,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:20:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 10:20:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:20:30,823 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:30,823 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:31,024 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:20:31,025 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:31,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-12-07 10:20:31,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:31,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140844957] [2019-12-07 10:20:31,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 10:20:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:31,266 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:20:31,267 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:31,274 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 10:20:31,274 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:31,281 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 10:20:31,282 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140844957] [2019-12-07 10:20:31,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:31,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:20:31,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857762346] [2019-12-07 10:20:31,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:20:31,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:31,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:20:31,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:31,284 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 10:20:31,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:31,331 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 10:20:31,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:20:31,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 10:20:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:31,333 INFO L225 Difference]: With dead ends: 110 [2019-12-07 10:20:31,333 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 10:20:31,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 10:20:31,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 10:20:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 10:20:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 10:20:31,341 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 10:20:31,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:31,341 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 10:20:31,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:20:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 10:20:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 10:20:31,342 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:31,342 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:31,542 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:20:31,543 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:31,543 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-12-07 10:20:31,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:31,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566973712] [2019-12-07 10:20:31,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 10:20:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:31,753 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:20:31,754 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:31,767 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 10:20:31,767 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:31,773 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 10:20:31,773 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566973712] [2019-12-07 10:20:31,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:31,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:20:31,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527707319] [2019-12-07 10:20:31,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:20:31,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:31,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:20:31,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:20:31,775 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-12-07 10:20:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:31,866 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2019-12-07 10:20:31,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:20:31,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 10:20:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:31,869 INFO L225 Difference]: With dead ends: 237 [2019-12-07 10:20:31,869 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 10:20:31,869 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 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 10:20:31,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 10:20:31,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2019-12-07 10:20:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 10:20:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2019-12-07 10:20:31,882 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2019-12-07 10:20:31,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:31,882 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2019-12-07 10:20:31,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:20:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2019-12-07 10:20:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:20:31,883 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:31,883 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 10:20:32,084 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:20:32,085 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:32,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:32,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2019-12-07 10:20:32,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:32,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315348551] [2019-12-07 10:20:32,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/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 10:20:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:32,370 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:20:32,371 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:32,382 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 10:20:32,382 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:32,385 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 10:20:32,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315348551] [2019-12-07 10:20:32,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:32,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:20:32,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645705614] [2019-12-07 10:20:32,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:20:32,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:32,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:20:32,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:20:32,387 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2019-12-07 10:20:32,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:32,462 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2019-12-07 10:20:32,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:20:32,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 10:20:32,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:32,462 INFO L225 Difference]: With dead ends: 282 [2019-12-07 10:20:32,463 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:20:32,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 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 10:20:32,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:20:32,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:20:32,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:20:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:20:32,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 10:20:32,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:32,465 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:32,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:20:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:20:32,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:20:32,665 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:20:32,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:20:32,928 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-12-07 10:20:32,928 INFO L246 CegarLoopResult]: For program point L845(lines 845 849) no Hoare annotation was computed. [2019-12-07 10:20:32,928 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:20:32,928 INFO L246 CegarLoopResult]: For program point L796(lines 796 809) no Hoare annotation was computed. [2019-12-07 10:20:32,929 INFO L242 CegarLoopResult]: At program point L796-1(lines 1 893) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,929 INFO L246 CegarLoopResult]: For program point L796-2(lines 796 809) no Hoare annotation was computed. [2019-12-07 10:20:32,929 INFO L242 CegarLoopResult]: At program point L796-3(lines 1 893) the Hoare annotation is: false [2019-12-07 10:20:32,929 INFO L246 CegarLoopResult]: For program point L796-4(lines 796 809) no Hoare annotation was computed. [2019-12-07 10:20:32,929 INFO L242 CegarLoopResult]: At program point L796-5(lines 1 893) the Hoare annotation is: false [2019-12-07 10:20:32,929 INFO L246 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2019-12-07 10:20:32,930 INFO L242 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,930 INFO L242 CegarLoopResult]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2019-12-07 10:20:32,930 INFO L242 CegarLoopResult]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2019-12-07 10:20:32,930 INFO L249 CegarLoopResult]: At program point L783(lines 764 786) the Hoare annotation is: true [2019-12-07 10:20:32,930 INFO L242 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: false [2019-12-07 10:20:32,930 INFO L246 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2019-12-07 10:20:32,931 INFO L246 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2019-12-07 10:20:32,931 INFO L246 CegarLoopResult]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2019-12-07 10:20:32,931 INFO L246 CegarLoopResult]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2019-12-07 10:20:32,931 INFO L246 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2019-12-07 10:20:32,931 INFO L242 CegarLoopResult]: At program point L751(lines 747 753) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:20:32,931 INFO L242 CegarLoopResult]: At program point L206(lines 199 209) the Hoare annotation is: false [2019-12-07 10:20:32,931 INFO L242 CegarLoopResult]: At program point L206-1(lines 199 209) the Hoare annotation is: false [2019-12-07 10:20:32,932 INFO L242 CegarLoopResult]: At program point L206-2(lines 199 209) the Hoare annotation is: false [2019-12-07 10:20:32,932 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:20:32,932 INFO L246 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2019-12-07 10:20:32,932 INFO L242 CegarLoopResult]: At program point L670(lines 1 893) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:20:32,932 INFO L242 CegarLoopResult]: At program point L703-2(lines 703 717) the Hoare annotation is: false [2019-12-07 10:20:32,932 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-12-07 10:20:32,932 INFO L246 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2019-12-07 10:20:32,933 INFO L246 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2019-12-07 10:20:32,933 INFO L246 CegarLoopResult]: For program point L687-2(line 687) no Hoare annotation was computed. [2019-12-07 10:20:32,933 INFO L246 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2019-12-07 10:20:32,933 INFO L242 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,933 INFO L246 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2019-12-07 10:20:32,933 INFO L246 CegarLoopResult]: For program point L259(lines 259 265) no Hoare annotation was computed. [2019-12-07 10:20:32,933 INFO L242 CegarLoopResult]: At program point L259-1(lines 259 265) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,933 INFO L246 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2019-12-07 10:20:32,934 INFO L242 CegarLoopResult]: At program point L94-1(lines 130 136) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:20:32,934 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-12-07 10:20:32,934 INFO L246 CegarLoopResult]: For program point L821-3(lines 821 825) no Hoare annotation was computed. [2019-12-07 10:20:32,934 INFO L246 CegarLoopResult]: For program point L821-6(lines 821 825) no Hoare annotation was computed. [2019-12-07 10:20:32,934 INFO L246 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-12-07 10:20:32,934 INFO L246 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2019-12-07 10:20:32,935 INFO L246 CegarLoopResult]: For program point L707-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:20:32,935 INFO L246 CegarLoopResult]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2019-12-07 10:20:32,935 INFO L246 CegarLoopResult]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2019-12-07 10:20:32,935 INFO L246 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2019-12-07 10:20:32,935 INFO L249 CegarLoopResult]: At program point L774-1(lines 774 781) the Hoare annotation is: true [2019-12-07 10:20:32,935 INFO L242 CegarLoopResult]: At program point L130(lines 129 148) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,935 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:20:32,935 INFO L242 CegarLoopResult]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2019-12-07 10:20:32,936 INFO L242 CegarLoopResult]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2019-12-07 10:20:32,936 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:20:32,936 INFO L242 CegarLoopResult]: At program point L858(lines 853 861) the Hoare annotation is: false [2019-12-07 10:20:32,936 INFO L242 CegarLoopResult]: At program point L858-1(lines 853 861) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-12-07 10:20:32,936 INFO L242 CegarLoopResult]: At program point L858-2(lines 853 861) the Hoare annotation is: false [2019-12-07 10:20:32,937 INFO L242 CegarLoopResult]: At program point L858-3(lines 853 861) the Hoare annotation is: false [2019-12-07 10:20:32,937 INFO L242 CegarLoopResult]: At program point L858-4(lines 853 861) the Hoare annotation is: false [2019-12-07 10:20:32,937 INFO L242 CegarLoopResult]: At program point L858-5(lines 853 861) the Hoare annotation is: false [2019-12-07 10:20:32,937 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-12-07 10:20:32,937 INFO L242 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:20:32,937 INFO L242 CegarLoopResult]: At program point L215(lines 210 218) 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 10:20:32,937 INFO L242 CegarLoopResult]: At program point L215-1(lines 210 218) the Hoare annotation is: false [2019-12-07 10:20:32,938 INFO L242 CegarLoopResult]: At program point L215-2(lines 210 218) the Hoare annotation is: false [2019-12-07 10:20:32,938 INFO L242 CegarLoopResult]: At program point L678(lines 673 681) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:20:32,938 INFO L246 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2019-12-07 10:20:32,938 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2019-12-07 10:20:32,938 INFO L246 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2019-12-07 10:20:32,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:20:32 BoogieIcfgContainer [2019-12-07 10:20:32,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:20:32,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:20:32,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:20:32,954 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:20:32,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:30" (3/4) ... [2019-12-07 10:20:32,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:20:32,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:20:32,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:20:32,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:20:32,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:20:32,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:20:32,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:20:32,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:20:32,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 10:20:33,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a77e2db7-e77e-4aa4-9c75-42758b6272fb/bin/utaipan/witness.graphml [2019-12-07 10:20:33,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:20:33,032 INFO L168 Benchmark]: Toolchain (without parser) took 3903.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 953.7 MB in the beginning and 792.6 MB in the end (delta: 161.1 MB). Peak memory consumption was 283.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:33,032 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 10:20:33,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:33,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.70 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:33,033 INFO L168 Benchmark]: Boogie Preprocessor took 27.39 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 10:20:33,033 INFO L168 Benchmark]: RCFGBuilder took 517.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:33,033 INFO L168 Benchmark]: TraceAbstraction took 2884.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 799.5 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:33,034 INFO L168 Benchmark]: Witness Printer took 76.22 ms. Allocated memory is still 1.2 GB. Free memory was 799.5 MB in the beginning and 792.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:33,035 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 353.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.70 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.39 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 517.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2884.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 799.5 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. * Witness Printer took 76.22 ms. Allocated memory is still 1.2 GB. Free memory was 799.5 MB in the beginning and 792.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: 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: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 673]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 308 SDtfs, 407 SDslu, 334 SDs, 0 SdLazy, 62 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 906 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...