./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ...................................................................................................................................... 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_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:33:36,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:33:36,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:33:36,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:33:36,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:33:36,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:33:36,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:33:36,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:33:36,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:33:36,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:33:36,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:33:36,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:33:36,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:33:36,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:33:36,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:33:36,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:33:36,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:33:36,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:33:36,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:33:36,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:33:36,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:33:36,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:33:36,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:33:36,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:33:36,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:33:36,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:33:36,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:33:36,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:33:36,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:33:36,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:33:36,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:33:36,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:33:36,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:33:36,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:33:36,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:33:36,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:33:36,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:33:36,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:33:36,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:33:36,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:33:36,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:33:36,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:33:36,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:33:36,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:33:36,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:33:36,344 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:33:36,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:33:36,344 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:33:36,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:33:36,344 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:33:36,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:33:36,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:33:36,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:33:36,345 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:33:36,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:33:36,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:33:36,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:33:36,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:33:36,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:33:36,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:33:36,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:33:36,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:33:36,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:33:36,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:33:36,349 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_27c80792-7057-4851-8c4c-12864d343899/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2019-12-07 20:33:36,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:33:36,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:33:36,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:33:36,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:33:36,462 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:33:36,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-12-07 20:33:36,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/5a320bfa2/64321fdc0a5640e193bdcc50fe081ad2/FLAG9d2906165 [2019-12-07 20:33:36,883 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:33:36,884 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-12-07 20:33:36,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/5a320bfa2/64321fdc0a5640e193bdcc50fe081ad2/FLAG9d2906165 [2019-12-07 20:33:36,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/5a320bfa2/64321fdc0a5640e193bdcc50fe081ad2 [2019-12-07 20:33:36,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:33:36,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:33:36,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:33:36,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:33:36,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:33:36,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:33:36" (1/1) ... [2019-12-07 20:33:36,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:36, skipping insertion in model container [2019-12-07 20:33:36,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:33:36" (1/1) ... [2019-12-07 20:33:36,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:33:36,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:33:37,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:33:37,154 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:33:37,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69f2a664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:37, skipping insertion in model container [2019-12-07 20:33:37,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:33:37,155 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:33:37,157 INFO L168 Benchmark]: Toolchain (without parser) took 252.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:37,157 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:33:37,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:37,159 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 618]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:33:38,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:33:38,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:33:38,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:33:38,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:33:38,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:33:38,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:33:38,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:33:38,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:33:38,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:33:38,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:33:38,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:33:38,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:33:38,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:33:38,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:33:38,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:33:38,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:33:38,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:33:38,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:33:38,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:33:38,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:33:38,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:33:38,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:33:38,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:33:38,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:33:38,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:33:38,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:33:38,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:33:38,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:33:38,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:33:38,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:33:38,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:33:38,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:33:38,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:33:38,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:33:38,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:33:38,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:33:38,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:33:38,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:33:38,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:33:38,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:33:38,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:33:38,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:33:38,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:33:38,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:33:38,353 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:33:38,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:33:38,354 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:33:38,354 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:33:38,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:33:38,354 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:33:38,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:33:38,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:33:38,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:33:38,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:33:38,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:33:38,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:33:38,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:33:38,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:33:38,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:33:38,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:33:38,357 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:33:38,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:33:38,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:33:38,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:33:38,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:33:38,358 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_27c80792-7057-4851-8c4c-12864d343899/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2019-12-07 20:33:38,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:33:38,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:33:38,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:33:38,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:33:38,535 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:33:38,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-12-07 20:33:38,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/b4cf38e43/993ffe17b29c4315bfe5713aac2406c3/FLAG6fae6d8b9 [2019-12-07 20:33:38,951 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:33:38,951 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-12-07 20:33:38,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/b4cf38e43/993ffe17b29c4315bfe5713aac2406c3/FLAG6fae6d8b9 [2019-12-07 20:33:38,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/data/b4cf38e43/993ffe17b29c4315bfe5713aac2406c3 [2019-12-07 20:33:38,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:33:38,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:33:38,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:33:38,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:33:38,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:33:38,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:33:38" (1/1) ... [2019-12-07 20:33:38,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:38, skipping insertion in model container [2019-12-07 20:33:38,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:33:38" (1/1) ... [2019-12-07 20:33:38,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:33:39,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:33:39,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:33:39,229 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:33:39,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:33:39,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:33:39,277 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:33:39,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:33:39,353 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:33:39,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39 WrapperNode [2019-12-07 20:33:39,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:33:39,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:33:39,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:33:39,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:33:39,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:33:39,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:33:39,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:33:39,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:33:39,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... [2019-12-07 20:33:39,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:33:39,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:33:39,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:33:39,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:33:39,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:33:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:33:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:33:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:33:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:33:39,993 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:33:39,993 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-12-07 20:33:39,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:33:39 BoogieIcfgContainer [2019-12-07 20:33:39,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:33:39,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:33:39,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:33:39,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:33:39,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:33:38" (1/3) ... [2019-12-07 20:33:39,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e83e08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:33:39, skipping insertion in model container [2019-12-07 20:33:39,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:33:39" (2/3) ... [2019-12-07 20:33:40,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e83e08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:33:40, skipping insertion in model container [2019-12-07 20:33:40,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:33:39" (3/3) ... [2019-12-07 20:33:40,001 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2019-12-07 20:33:40,010 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:33:40,017 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:33:40,026 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:33:40,042 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:33:40,043 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:33:40,043 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:33:40,043 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:33:40,043 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:33:40,043 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:33:40,043 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:33:40,043 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:33:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-12-07 20:33:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:33:40,060 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:33:40,060 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:33:40,061 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:33:40,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:33:40,065 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2019-12-07 20:33:40,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:33:40,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115136020] [2019-12-07 20:33:40,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:33:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:33:40,209 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:33:40,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:33:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:40,222 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:33:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:40,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115136020] [2019-12-07 20:33:40,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:33:40,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:33:40,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618624193] [2019-12-07 20:33:40,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:33:40,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:33:40,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:33:40,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:33:40,241 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-12-07 20:33:40,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:33:40,262 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-12-07 20:33:40,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:33:40,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:33:40,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:33:40,271 INFO L225 Difference]: With dead ends: 208 [2019-12-07 20:33:40,271 INFO L226 Difference]: Without dead ends: 103 [2019-12-07 20:33:40,274 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 20:33:40,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-12-07 20:33:40,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-12-07 20:33:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 20:33:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-12-07 20:33:40,304 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-12-07 20:33:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:33:40,305 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-12-07 20:33:40,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:33:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-12-07 20:33:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:33:40,306 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:33:40,306 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 20:33:40,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:33:40,507 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:33:40,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:33:40,507 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2019-12-07 20:33:40,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:33:40,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019540871] [2019-12-07 20:33:40,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:33:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:33:40,606 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:33:40,607 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:33:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:40,620 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:33:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:40,628 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019540871] [2019-12-07 20:33:40,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:33:40,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:33:40,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366714204] [2019-12-07 20:33:40,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:33:40,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:33:40,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:33:40,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:33:40,631 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 4 states. [2019-12-07 20:33:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:33:40,642 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-12-07 20:33:40,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:33:40,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:33:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:33:40,644 INFO L225 Difference]: With dead ends: 103 [2019-12-07 20:33:40,644 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 20:33:40,645 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 20:33:40,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 20:33:40,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 20:33:40,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 20:33:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 20:33:40,649 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-12-07 20:33:40,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:33:40,650 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 20:33:40,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:33:40,650 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 20:33:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:33:40,650 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:33:40,651 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 20:33:40,851 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:33:40,852 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:33:40,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:33:40,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2019-12-07 20:33:40,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:33:40,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456514636] [2019-12-07 20:33:40,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:33:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:33:41,105 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:33:41,106 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:33:41,114 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 20:33:41,115 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:33:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:41,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456514636] [2019-12-07 20:33:41,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:33:41,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:33:41,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651706490] [2019-12-07 20:33:41,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:33:41,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:33:41,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:33:41,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:33:41,124 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2019-12-07 20:33:41,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:33:41,146 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-12-07 20:33:41,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:33:41,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:33:41,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:33:41,148 INFO L225 Difference]: With dead ends: 146 [2019-12-07 20:33:41,148 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 20:33:41,149 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 20:33:41,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 20:33:41,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-12-07 20:33:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-12-07 20:33:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-12-07 20:33:41,157 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-12-07 20:33:41,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:33:41,158 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-12-07 20:33:41,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:33:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-12-07 20:33:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:33:41,159 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:33:41,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:33:41,359 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:33:41,360 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:33:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:33:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2019-12-07 20:33:41,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:33:41,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831405894] [2019-12-07 20:33:41,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:33:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:33:41,527 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:33:41,529 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:33:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:41,546 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:33:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:41,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831405894] [2019-12-07 20:33:41,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:33:41,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:33:41,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538496856] [2019-12-07 20:33:41,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:33:41,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:33:41,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:33:41,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:33:41,554 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-12-07 20:33:41,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:33:41,654 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2019-12-07 20:33:41,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:33:41,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 20:33:41,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:33:41,657 INFO L225 Difference]: With dead ends: 309 [2019-12-07 20:33:41,657 INFO L226 Difference]: Without dead ends: 251 [2019-12-07 20:33:41,658 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:33:41,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-12-07 20:33:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2019-12-07 20:33:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-07 20:33:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2019-12-07 20:33:41,678 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2019-12-07 20:33:41,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:33:41,678 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2019-12-07 20:33:41,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:33:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2019-12-07 20:33:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:33:41,680 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:33:41,680 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:33:41,881 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:33:41,882 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:33:41,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:33:41,883 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2019-12-07 20:33:41,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:33:41,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980906665] [2019-12-07 20:33:41,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:33:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:33:42,056 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:33:42,057 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:33:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:42,069 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:33:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:33:42,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980906665] [2019-12-07 20:33:42,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:33:42,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:33:42,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184636361] [2019-12-07 20:33:42,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:33:42,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:33:42,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:33:42,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:33:42,073 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2019-12-07 20:33:42,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:33:42,165 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2019-12-07 20:33:42,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:33:42,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 20:33:42,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:33:42,166 INFO L225 Difference]: With dead ends: 312 [2019-12-07 20:33:42,166 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:33:42,167 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:33:42,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:33:42,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:33:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:33:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:33:42,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 20:33:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:33:42,168 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:33:42,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:33:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:33:42,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:33:42,369 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:33:42,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:33:42,641 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-12-07 20:33:42,641 INFO L242 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:33:42,641 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:33:42,641 INFO L246 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-12-07 20:33:42,642 INFO L242 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,642 INFO L246 CegarLoopResult]: For program point L369(lines 369 386) no Hoare annotation was computed. [2019-12-07 20:33:42,642 INFO L246 CegarLoopResult]: For program point L369-1(lines 369 386) no Hoare annotation was computed. [2019-12-07 20:33:42,642 INFO L246 CegarLoopResult]: For program point L369-2(lines 369 386) no Hoare annotation was computed. [2019-12-07 20:33:42,642 INFO L246 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-12-07 20:33:42,642 INFO L242 CegarLoopResult]: At program point L502-1(lines 502 508) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,642 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-12-07 20:33:42,642 INFO L242 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-12-07 20:33:42,643 INFO L242 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point L373(lines 373 381) no Hoare annotation was computed. [2019-12-07 20:33:42,643 INFO L242 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point L373-1(lines 373 381) no Hoare annotation was computed. [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point L373-2(lines 373 381) no Hoare annotation was computed. [2019-12-07 20:33:42,643 INFO L242 CegarLoopResult]: At program point L572(lines 523 573) the Hoare annotation is: false [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point L343-1(lines 343 360) no Hoare annotation was computed. [2019-12-07 20:33:42,643 INFO L246 CegarLoopResult]: For program point L343-2(lines 343 360) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L343-3(lines 343 360) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L343-4(lines 343 360) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L343-5(lines 343 360) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L242 CegarLoopResult]: At program point L311(lines 310 329) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L242 CegarLoopResult]: At program point L311-2(lines 310 329) the Hoare annotation is: false [2019-12-07 20:33:42,644 INFO L242 CegarLoopResult]: At program point L311-3(lines 310 329) the Hoare annotation is: false [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L179(lines 179 183) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L544(lines 544 550) no Hoare annotation was computed. [2019-12-07 20:33:42,644 INFO L242 CegarLoopResult]: At program point L544-1(lines 544 550) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,644 INFO L246 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L347-1(lines 347 355) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L347-3(lines 347 355) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L347-4(lines 347 355) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L347-5(lines 347 355) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L283(lines 283 296) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L242 CegarLoopResult]: At program point L283-1(lines 1 954) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L283-2(lines 283 296) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L242 CegarLoopResult]: At program point L283-3(lines 1 954) the Hoare annotation is: false [2019-12-07 20:33:42,645 INFO L246 CegarLoopResult]: For program point L283-4(lines 283 296) no Hoare annotation was computed. [2019-12-07 20:33:42,645 INFO L242 CegarLoopResult]: At program point L283-5(lines 1 954) the Hoare annotation is: false [2019-12-07 20:33:42,646 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L242 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,646 INFO L242 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: false [2019-12-07 20:33:42,646 INFO L242 CegarLoopResult]: At program point L318-2(lines 318 324) the Hoare annotation is: false [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L287-2(lines 287 293) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L155(lines 155 159) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L287-4(lines 287 293) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L155-3(lines 155 159) no Hoare annotation was computed. [2019-12-07 20:33:42,646 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L56-1(lines 311 317) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L155-6(lines 155 159) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L585-2(line 585) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L554(lines 554 567) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,647 INFO L246 CegarLoopResult]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L246 CegarLoopResult]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2019-12-07 20:33:42,648 INFO L242 CegarLoopResult]: At program point L192(lines 187 195) the Hoare annotation is: false [2019-12-07 20:33:42,648 INFO L242 CegarLoopResult]: At program point L192-1(lines 187 195) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,648 INFO L242 CegarLoopResult]: At program point L192-2(lines 187 195) the Hoare annotation is: false [2019-12-07 20:33:42,648 INFO L242 CegarLoopResult]: At program point L192-3(lines 187 195) the Hoare annotation is: false [2019-12-07 20:33:42,649 INFO L242 CegarLoopResult]: At program point L192-4(lines 187 195) the Hoare annotation is: false [2019-12-07 20:33:42,649 INFO L242 CegarLoopResult]: At program point L192-5(lines 187 195) the Hoare annotation is: false [2019-12-07 20:33:42,649 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:33:42,649 INFO L242 CegarLoopResult]: At program point L260(lines 1 954) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:33:42,649 INFO L246 CegarLoopResult]: For program point L525(lines 524 571) no Hoare annotation was computed. [2019-12-07 20:33:42,649 INFO L246 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-12-07 20:33:42,649 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-12-07 20:33:42,649 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-12-07 20:33:42,649 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L560-1(lines 311 317) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L494(lines 479 497) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L494-1(lines 479 497) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:33:42,650 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L430(lines 423 433) the Hoare annotation is: false [2019-12-07 20:33:42,650 INFO L242 CegarLoopResult]: At program point L430-1(lines 423 433) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L430-2(lines 423 433) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L233(lines 228 236) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L233-1(lines 228 236) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L246 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L233-2(lines 228 236) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L233-3(lines 228 236) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L233-4(lines 228 236) the Hoare annotation is: false [2019-12-07 20:33:42,651 INFO L242 CegarLoopResult]: At program point L233-5(lines 228 236) the Hoare annotation is: false [2019-12-07 20:33:42,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:33:42 BoogieIcfgContainer [2019-12-07 20:33:42,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:33:42,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:33:42,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:33:42,668 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:33:42,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:33:39" (3/4) ... [2019-12-07 20:33:42,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:33:42,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:33:42,690 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:33:42,691 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:33:42,691 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:33:42,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:33:42,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:33:42,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:33:42,720 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:33:42,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_27c80792-7057-4851-8c4c-12864d343899/bin/utaipan/witness.graphml [2019-12-07 20:33:42,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:33:42,777 INFO L168 Benchmark]: Toolchain (without parser) took 3804.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -215.6 MB). Peak memory consumption was 312.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:42,777 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 20:33:42,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:42,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.89 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:42,778 INFO L168 Benchmark]: Boogie Preprocessor took 33.82 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 20:33:42,778 INFO L168 Benchmark]: RCFGBuilder took 556.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.9 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:42,778 INFO L168 Benchmark]: TraceAbstraction took 2671.68 ms. Allocated memory is still 1.1 GB. Free memory was 984.9 MB in the beginning and 751.9 MB in the end (delta: 233.0 MB). Peak memory consumption was 233.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:42,778 INFO L168 Benchmark]: Witness Printer took 108.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 751.9 MB in the beginning and 1.2 GB in the end (delta: -417.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:33:42,780 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 381.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.89 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.82 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 556.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.9 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2671.68 ms. Allocated memory is still 1.1 GB. Free memory was 984.9 MB in the beginning and 751.9 MB in the end (delta: 233.0 MB). Peak memory consumption was 233.0 MB. Max. memory is 11.5 GB. * Witness Printer took 108.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 751.9 MB in the beginning and 1.2 GB in the end (delta: -417.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 585]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 585]: 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: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 434 SDtfs, 550 SDslu, 479 SDs, 0 SdLazy, 69 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 134 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 8995 SizeOfPredicates, 8 NumberOfNonLiveVariables, 905 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...