./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.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_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 9a9facaada73db60539ede7a668b71ce2a4ae420 ...................................................................................................................................... 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_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 9a9facaada73db60539ede7a668b71ce2a4ae420 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:16:11,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:16:11,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:16:11,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:16:11,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:16:11,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:16:11,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:16:11,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:16:11,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:16:11,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:16:11,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:16:11,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:16:11,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:16:11,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:16:11,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:16:11,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:16:11,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:16:11,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:16:11,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:16:11,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:16:11,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:16:11,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:16:11,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:16:11,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:16:11,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:16:11,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:16:11,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:16:11,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:16:11,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:16:11,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:16:11,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:16:11,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:16:11,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:16:11,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:16:11,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:16:11,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:16:11,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:16:11,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:16:11,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:16:11,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:16:11,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:16:11,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:16:11,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:16:11,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:16:11,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:16:11,231 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:16:11,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:16:11,232 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:16:11,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:16:11,232 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:16:11,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:16:11,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:16:11,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:16:11,233 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:16:11,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:16:11,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:16:11,233 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:16:11,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:16:11,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:16:11,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:16:11,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:16:11,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:16:11,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:16:11,236 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:16:11,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:16:11,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:16:11,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:16:11,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:16:11,236 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_80e9a44c-c89d-44fb-b656-0adb971cc866/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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2019-12-07 12:16:11,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:16:11,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:16:11,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:16:11,353 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:16:11,353 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:16:11,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2019-12-07 12:16:11,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/2be9b778b/b7b6ba8e916a42418d3de894cc2bdbfa/FLAG86386b24e [2019-12-07 12:16:11,831 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:16:11,831 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2019-12-07 12:16:11,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/2be9b778b/b7b6ba8e916a42418d3de894cc2bdbfa/FLAG86386b24e [2019-12-07 12:16:11,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/2be9b778b/b7b6ba8e916a42418d3de894cc2bdbfa [2019-12-07 12:16:11,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:16:11,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:16:11,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:16:11,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:16:11,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:16:11,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:16:11" (1/1) ... [2019-12-07 12:16:11,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:11, skipping insertion in model container [2019-12-07 12:16:11,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:16:11" (1/1) ... [2019-12-07 12:16:11,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:16:11,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:16:12,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:16:12,127 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 12:16:12,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49c74b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:12, skipping insertion in model container [2019-12-07 12:16:12,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:16:12,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:16:12,130 INFO L168 Benchmark]: Toolchain (without parser) took 278.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:12,131 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:16:12,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:12,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 352]: 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 12:16:13,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:16:13,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:16:13,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:16:13,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:16:13,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:16:13,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:16:13,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:16:13,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:16:13,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:16:13,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:16:13,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:16:13,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:16:13,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:16:13,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:16:13,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:16:13,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:16:13,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:16:13,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:16:13,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:16:13,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:16:13,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:16:13,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:16:13,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:16:13,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:16:13,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:16:13,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:16:13,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:16:13,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:16:13,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:16:13,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:16:13,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:16:13,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:16:13,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:16:13,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:16:13,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:16:13,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:16:13,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:16:13,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:16:13,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:16:13,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:16:13,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:16:13,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:16:13,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:16:13,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:16:13,368 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:16:13,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:16:13,368 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:16:13,368 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:16:13,369 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:16:13,369 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:16:13,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:16:13,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:16:13,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:16:13,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:16:13,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:16:13,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:16:13,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:16:13,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:16:13,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:16:13,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:16:13,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:16:13,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:16:13,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:16:13,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:16:13,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:16:13,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:16:13,372 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:16:13,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:16:13,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:16:13,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:16:13,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:16:13,373 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_80e9a44c-c89d-44fb-b656-0adb971cc866/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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2019-12-07 12:16:13,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:16:13,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:16:13,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:16:13,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:16:13,564 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:16:13,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2019-12-07 12:16:13,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/5d74e38c6/487c2590299d432a92b6326699611ff4/FLAG11a31e51b [2019-12-07 12:16:14,049 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:16:14,049 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2019-12-07 12:16:14,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/5d74e38c6/487c2590299d432a92b6326699611ff4/FLAG11a31e51b [2019-12-07 12:16:14,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/data/5d74e38c6/487c2590299d432a92b6326699611ff4 [2019-12-07 12:16:14,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:16:14,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:16:14,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:16:14,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:16:14,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:16:14,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14, skipping insertion in model container [2019-12-07 12:16:14,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:16:14,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:16:14,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:16:14,704 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:16:14,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:16:14,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:16:14,770 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:16:14,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:16:14,834 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:16:14,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14 WrapperNode [2019-12-07 12:16:14,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:16:14,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:16:14,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:16:14,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:16:14,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:16:14,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:16:14,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:16:14,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:16:14,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... [2019-12-07 12:16:14,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:16:14,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:16:14,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:16:14,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:16:14,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 12:16:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:16:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:16:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:16:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:16:15,394 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:16:15,395 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 12:16:15,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:16:15 BoogieIcfgContainer [2019-12-07 12:16:15,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:16:15,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:16:15,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:16:15,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:16:15,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:16:14" (1/3) ... [2019-12-07 12:16:15,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46739144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:16:15, skipping insertion in model container [2019-12-07 12:16:15,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:16:14" (2/3) ... [2019-12-07 12:16:15,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46739144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:16:15, skipping insertion in model container [2019-12-07 12:16:15,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:16:15" (3/3) ... [2019-12-07 12:16:15,402 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2019-12-07 12:16:15,409 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:16:15,414 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:16:15,422 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:16:15,440 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:16:15,440 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:16:15,440 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:16:15,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:16:15,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:16:15,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:16:15,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:16:15,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:16:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-12-07 12:16:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:16:15,457 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:16:15,457 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:16:15,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:16:15,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:16:15,462 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2019-12-07 12:16:15,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:16:15,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015925179] [2019-12-07 12:16:15,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 12:16:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:16:15,597 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:16:15,601 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:16:15,611 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 12:16:15,611 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:16:15,615 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 12:16:15,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015925179] [2019-12-07 12:16:15,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:16:15,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:16:15,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403124598] [2019-12-07 12:16:15,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:16:15,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:16:15,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:16:15,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:16:15,630 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2019-12-07 12:16:15,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:16:15,648 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2019-12-07 12:16:15,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:16:15,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:16:15,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:16:15,657 INFO L225 Difference]: With dead ends: 151 [2019-12-07 12:16:15,657 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 12:16:15,659 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:16:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 12:16:15,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 12:16:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 12:16:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-12-07 12:16:15,688 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2019-12-07 12:16:15,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:16:15,688 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-12-07 12:16:15,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:16:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-12-07 12:16:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:16:15,689 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:16:15,689 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:16:15,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:16:15,890 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:16:15,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:16:15,891 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2019-12-07 12:16:15,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:16:15,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640642743] [2019-12-07 12:16:15,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 12:16:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:16:16,105 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:16:16,106 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:16:16,120 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 12:16:16,121 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:16:16,130 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 12:16:16,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640642743] [2019-12-07 12:16:16,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:16:16,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:16:16,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390169386] [2019-12-07 12:16:16,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:16:16,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:16:16,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:16:16,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:16:16,134 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 4 states. [2019-12-07 12:16:16,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:16:16,145 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2019-12-07 12:16:16,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:16:16,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 12:16:16,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:16:16,146 INFO L225 Difference]: With dead ends: 75 [2019-12-07 12:16:16,146 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 12:16:16,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:16:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 12:16:16,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 12:16:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 12:16:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 12:16:16,151 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 12:16:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:16:16,151 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 12:16:16,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:16:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 12:16:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:16:16,152 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:16:16,152 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 12:16:16,353 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:16:16,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:16:16,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:16:16,353 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2019-12-07 12:16:16,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:16:16,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571434693] [2019-12-07 12:16:16,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 12:16:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:16:16,459 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:16:16,460 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:16:16,467 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 12:16:16,467 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:16:16,474 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 12:16:16,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571434693] [2019-12-07 12:16:16,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:16:16,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:16:16,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393467694] [2019-12-07 12:16:16,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:16:16,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:16:16,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:16:16,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:16:16,478 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 12:16:16,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:16:16,514 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2019-12-07 12:16:16,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:16:16,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 12:16:16,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:16:16,517 INFO L225 Difference]: With dead ends: 63 [2019-12-07 12:16:16,518 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 12:16:16,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:16:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 12:16:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 12:16:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 12:16:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-12-07 12:16:16,524 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-12-07 12:16:16,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:16:16,524 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-12-07 12:16:16,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:16:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-12-07 12:16:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:16:16,525 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:16:16,526 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 12:16:16,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:16:16,727 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:16:16,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:16:16,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2019-12-07 12:16:16,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:16:16,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072920629] [2019-12-07 12:16:16,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 12:16:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:16:16,879 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:16:16,880 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:16:16,893 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 12:16:16,894 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:16:16,900 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 12:16:16,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072920629] [2019-12-07 12:16:16,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:16:16,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 12:16:16,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889313727] [2019-12-07 12:16:16,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:16:16,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:16:16,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:16:16,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:16:16,902 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-12-07 12:16:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:16:16,966 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2019-12-07 12:16:16,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:16:16,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 12:16:16,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:16:16,968 INFO L225 Difference]: With dead ends: 154 [2019-12-07 12:16:16,968 INFO L226 Difference]: Without dead ends: 126 [2019-12-07 12:16:16,969 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:16:16,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-12-07 12:16:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2019-12-07 12:16:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 12:16:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2019-12-07 12:16:16,977 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2019-12-07 12:16:16,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:16:16,978 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2019-12-07 12:16:16,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:16:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-12-07 12:16:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:16:16,979 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:16:16,979 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:16:17,179 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:16:17,180 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:16:17,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:16:17,180 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2019-12-07 12:16:17,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:16:17,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328014104] [2019-12-07 12:16:17,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/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 12:16:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:16:17,360 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:16:17,362 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:16:17,376 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 12:16:17,376 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:16:17,379 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 12:16:17,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328014104] [2019-12-07 12:16:17,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:16:17,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:16:17,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737656013] [2019-12-07 12:16:17,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:16:17,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:16:17,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:16:17,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:16:17,380 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2019-12-07 12:16:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:16:17,457 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2019-12-07 12:16:17,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:16:17,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 12:16:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:16:17,458 INFO L225 Difference]: With dead ends: 150 [2019-12-07 12:16:17,459 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:16:17,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:16:17,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:16:17,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:16:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:16:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:16:17,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 12:16:17,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:16:17,461 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:16:17,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:16:17,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:16:17,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:16:17,667 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:16:17,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:16:17,930 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2019-12-07 12:16:17,930 INFO L249 CegarLoopResult]: At program point L217(lines 198 220) the Hoare annotation is: true [2019-12-07 12:16:17,930 INFO L246 CegarLoopResult]: For program point L911(lines 911 924) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L102(lines 102 112) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L102-2(lines 102 112) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L102-4(lines 102 112) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L136(lines 136 140) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L136-1(lines 700 706) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L103-2(lines 103 109) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L246 CegarLoopResult]: For program point L103-4(lines 103 109) no Hoare annotation was computed. [2019-12-07 12:16:17,931 INFO L242 CegarLoopResult]: At program point L929(lines 880 930) the Hoare annotation is: false [2019-12-07 12:16:17,932 INFO L242 CegarLoopResult]: At program point L87(lines 82 89) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:16:17,932 INFO L242 CegarLoopResult]: At program point L269(lines 264 272) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,932 INFO L242 CegarLoopResult]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2019-12-07 12:16:17,932 INFO L242 CegarLoopResult]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2019-12-07 12:16:17,932 INFO L246 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2019-12-07 12:16:17,932 INFO L246 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2019-12-07 12:16:17,932 INFO L246 CegarLoopResult]: For program point L319-2(line 319) no Hoare annotation was computed. [2019-12-07 12:16:17,932 INFO L246 CegarLoopResult]: For program point L732(lines 732 749) no Hoare annotation was computed. [2019-12-07 12:16:17,932 INFO L246 CegarLoopResult]: For program point L732-1(lines 732 749) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point L732-2(lines 732 749) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L242 CegarLoopResult]: At program point L700(lines 699 718) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L242 CegarLoopResult]: At program point L700-2(lines 699 718) the Hoare annotation is: false [2019-12-07 12:16:17,933 INFO L242 CegarLoopResult]: At program point L700-3(lines 699 718) the Hoare annotation is: false [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point L882(lines 881 928) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point L256(lines 256 260) no Hoare annotation was computed. [2019-12-07 12:16:17,933 INFO L246 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L242 CegarLoopResult]: At program point L901-1(lines 901 907) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L736-1(lines 736 744) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L852-2(lines 852 856) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L852-3(lines 852 856) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L208(lines 208 215) no Hoare annotation was computed. [2019-12-07 12:16:17,934 INFO L246 CegarLoopResult]: For program point L852-5(lines 852 856) no Hoare annotation was computed. [2019-12-07 12:16:17,935 INFO L249 CegarLoopResult]: At program point L208-1(lines 208 215) the Hoare annotation is: true [2019-12-07 12:16:17,935 INFO L246 CegarLoopResult]: For program point L852-6(lines 852 856) no Hoare annotation was computed. [2019-12-07 12:16:17,935 INFO L246 CegarLoopResult]: For program point L852-8(lines 852 856) no Hoare annotation was computed. [2019-12-07 12:16:17,935 INFO L242 CegarLoopResult]: At program point L803(lines 798 806) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,935 INFO L242 CegarLoopResult]: At program point L803-1(lines 798 806) the Hoare annotation is: false [2019-12-07 12:16:17,935 INFO L242 CegarLoopResult]: At program point L803-2(lines 798 806) the Hoare annotation is: false [2019-12-07 12:16:17,935 INFO L246 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2019-12-07 12:16:17,935 INFO L242 CegarLoopResult]: At program point L919-2(lines 700 706) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:16:17,935 INFO L242 CegarLoopResult]: At program point L310(lines 305 313) the Hoare annotation is: false [2019-12-07 12:16:17,935 INFO L242 CegarLoopResult]: At program point L310-1(lines 305 313) the Hoare annotation is: false [2019-12-07 12:16:17,936 INFO L246 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-12-07 12:16:17,936 INFO L242 CegarLoopResult]: At program point L310-2(lines 305 313) the Hoare annotation is: false [2019-12-07 12:16:17,936 INFO L242 CegarLoopResult]: At program point L707(lines 707 713) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,936 INFO L242 CegarLoopResult]: At program point L707-1(lines 707 713) the Hoare annotation is: false [2019-12-07 12:16:17,936 INFO L242 CegarLoopResult]: At program point L707-2(lines 707 713) the Hoare annotation is: false [2019-12-07 12:16:17,936 INFO L246 CegarLoopResult]: For program point L98(lines 98 115) no Hoare annotation was computed. [2019-12-07 12:16:17,936 INFO L242 CegarLoopResult]: At program point L65(lines 1 936) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:16:17,936 INFO L242 CegarLoopResult]: At program point L98-1(lines 1 936) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,936 INFO L246 CegarLoopResult]: For program point L98-2(lines 98 115) no Hoare annotation was computed. [2019-12-07 12:16:17,936 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L98-3(lines 1 936) the Hoare annotation is: false [2019-12-07 12:16:17,937 INFO L246 CegarLoopResult]: For program point L98-4(lines 98 115) no Hoare annotation was computed. [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L98-5(lines 1 936) the Hoare annotation is: false [2019-12-07 12:16:17,937 INFO L246 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L891-1(lines 891 897) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L858(lines 843 861) the Hoare annotation is: false [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L858-1(lines 843 861) the Hoare annotation is: false [2019-12-07 12:16:17,937 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L858-2(lines 843 861) the Hoare annotation is: false [2019-12-07 12:16:17,937 INFO L242 CegarLoopResult]: At program point L132-2(lines 132 146) the Hoare annotation is: false [2019-12-07 12:16:17,938 INFO L246 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2019-12-07 12:16:17,938 INFO L246 CegarLoopResult]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2019-12-07 12:16:17,938 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-12-07 12:16:17,938 INFO L246 CegarLoopResult]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2019-12-07 12:16:17,938 INFO L242 CegarLoopResult]: At program point L183(lines 179 185) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:16:17,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:16:17 BoogieIcfgContainer [2019-12-07 12:16:17,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:16:17,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:16:17,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:16:17,954 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:16:17,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:16:15" (3/4) ... [2019-12-07 12:16:17,957 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:16:17,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:16:17,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:16:17,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:16:17,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:16:17,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:16:17,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:16:17,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:16:17,995 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 12:16:18,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_80e9a44c-c89d-44fb-b656-0adb971cc866/bin/utaipan/witness.graphml [2019-12-07 12:16:18,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:16:18,032 INFO L168 Benchmark]: Toolchain (without parser) took 3637.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.0 MB in the beginning and 790.1 MB in the end (delta: 156.9 MB). Peak memory consumption was 270.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:18,032 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:16:18,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:18,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:18,033 INFO L168 Benchmark]: Boogie Preprocessor took 28.38 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 12:16:18,033 INFO L168 Benchmark]: RCFGBuilder took 489.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:18,033 INFO L168 Benchmark]: TraceAbstraction took 2556.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 796.9 MB in the end (delta: 213.5 MB). Peak memory consumption was 213.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:18,033 INFO L168 Benchmark]: Witness Printer took 76.97 ms. Allocated memory is still 1.1 GB. Free memory was 796.9 MB in the beginning and 790.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:16:18,035 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 438.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.38 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 489.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2556.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 796.9 MB in the end (delta: 213.5 MB). Peak memory consumption was 213.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.97 ms. Allocated memory is still 1.1 GB. Free memory was 796.9 MB in the beginning and 790.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 319]: 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: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 328 SDtfs, 398 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 167 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1375 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 98 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 921 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...