./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ...................................................................................................................................... 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_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:23:31,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:23:31,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:23:31,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:23:31,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:23:31,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:23:31,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:23:31,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:23:31,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:23:31,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:23:31,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:23:31,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:23:31,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:23:31,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:23:31,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:23:31,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:23:31,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:23:31,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:23:31,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:23:31,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:23:31,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:23:31,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:23:31,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:23:31,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:23:31,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:23:31,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:23:31,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:23:31,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:23:31,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:23:31,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:23:31,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:23:31,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:23:31,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:23:31,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:23:31,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:23:31,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:23:31,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:23:31,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:23:31,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:23:31,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:23:31,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:23:31,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:23:31,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:23:31,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:23:31,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:23:31,167 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:23:31,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:23:31,167 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:23:31,167 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:23:31,167 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:23:31,168 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:23:31,168 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:23:31,168 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:23:31,168 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:23:31,168 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:23:31,168 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:23:31,168 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:23:31,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:23:31,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:23:31,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:23:31,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:23:31,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:23:31,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:23:31,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:23:31,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:23:31,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:23:31,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:23:31,172 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_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2019-12-07 21:23:31,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:23:31,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:23:31,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:23:31,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:23:31,282 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:23:31,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-12-07 21:23:31,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/674267fe8/63e2094142df4209a1319a00c3fb89d2/FLAG20ff17056 [2019-12-07 21:23:31,679 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:23:31,679 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-12-07 21:23:31,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/674267fe8/63e2094142df4209a1319a00c3fb89d2/FLAG20ff17056 [2019-12-07 21:23:31,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/674267fe8/63e2094142df4209a1319a00c3fb89d2 [2019-12-07 21:23:31,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:23:31,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:23:31,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:31,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:23:31,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:23:31,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:31" (1/1) ... [2019-12-07 21:23:31,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:31, skipping insertion in model container [2019-12-07 21:23:31,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:31" (1/1) ... [2019-12-07 21:23:31,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:23:31,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:23:31,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:31,944 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 21:23:31,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20a89290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:31, skipping insertion in model container [2019-12-07 21:23:31,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:31,945 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:23:31,947 INFO L168 Benchmark]: Toolchain (without parser) took 246.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:31,947 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:23:31,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:31,949 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 77]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 21:23:33,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:23:33,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:23:33,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:23:33,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:23:33,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:23:33,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:23:33,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:23:33,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:23:33,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:23:33,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:23:33,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:23:33,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:23:33,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:23:33,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:23:33,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:23:33,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:23:33,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:23:33,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:23:33,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:23:33,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:23:33,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:23:33,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:23:33,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:23:33,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:23:33,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:23:33,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:23:33,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:23:33,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:23:33,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:23:33,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:23:33,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:23:33,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:23:33,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:23:33,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:23:33,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:23:33,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:23:33,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:23:33,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:23:33,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:23:33,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:23:33,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:23:33,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:23:33,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:23:33,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:23:33,140 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:23:33,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:23:33,140 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:23:33,140 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:23:33,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:23:33,141 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:23:33,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:23:33,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:23:33,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:23:33,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:23:33,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:23:33,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:23:33,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:23:33,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:23:33,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:23:33,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:23:33,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:23:33,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:23:33,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:23:33,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:23:33,144 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_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2019-12-07 21:23:33,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:23:33,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:23:33,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:23:33,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:23:33,328 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:23:33,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-12-07 21:23:33,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/ba93be885/8a85be1ac5104d7fb8c71aa46bd9ca44/FLAG988db7c24 [2019-12-07 21:23:33,779 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:23:33,780 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-12-07 21:23:33,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/ba93be885/8a85be1ac5104d7fb8c71aa46bd9ca44/FLAG988db7c24 [2019-12-07 21:23:34,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/data/ba93be885/8a85be1ac5104d7fb8c71aa46bd9ca44 [2019-12-07 21:23:34,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:23:34,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:23:34,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:34,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:23:34,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:23:34,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cde79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34, skipping insertion in model container [2019-12-07 21:23:34,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:23:34,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:23:34,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:34,420 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:23:34,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:23:34,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:34,477 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:23:34,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:34,539 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:23:34,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34 WrapperNode [2019-12-07 21:23:34,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:34,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:23:34,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:23:34,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:23:34,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:23:34,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:23:34,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:23:34,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:23:34,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... [2019-12-07 21:23:34,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:23:34,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:23:34,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:23:34,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:23:34,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:23:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:23:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:23:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:23:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:23:35,101 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:23:35,101 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 21:23:35,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:23:35 BoogieIcfgContainer [2019-12-07 21:23:35,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:23:35,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:23:35,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:23:35,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:23:35,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:23:34" (1/3) ... [2019-12-07 21:23:35,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8eaeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:23:35, skipping insertion in model container [2019-12-07 21:23:35,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:34" (2/3) ... [2019-12-07 21:23:35,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8eaeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:23:35, skipping insertion in model container [2019-12-07 21:23:35,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:23:35" (3/3) ... [2019-12-07 21:23:35,109 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2019-12-07 21:23:35,117 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:23:35,124 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:23:35,134 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:23:35,152 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:23:35,152 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:23:35,152 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:23:35,152 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:23:35,152 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:23:35,153 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:23:35,153 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:23:35,153 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:23:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-12-07 21:23:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 21:23:35,168 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:35,168 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:35,168 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2019-12-07 21:23:35,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:23:35,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760356392] [2019-12-07 21:23:35,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 21:23:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:23:35,308 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:23:35,312 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:23:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:35,323 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:23:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:35,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760356392] [2019-12-07 21:23:35,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:23:35,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:23:35,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313181434] [2019-12-07 21:23:35,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:23:35,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:23:35,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:23:35,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:23:35,343 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-12-07 21:23:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:23:35,361 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-12-07 21:23:35,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:23:35,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 21:23:35,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:23:35,371 INFO L225 Difference]: With dead ends: 155 [2019-12-07 21:23:35,371 INFO L226 Difference]: Without dead ends: 77 [2019-12-07 21:23:35,373 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:23:35,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-12-07 21:23:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-12-07 21:23:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 21:23:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-12-07 21:23:35,402 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-12-07 21:23:35,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:23:35,402 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-12-07 21:23:35,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:23:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-12-07 21:23:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:23:35,403 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:35,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:35,604 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:23:35,605 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:35,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2019-12-07 21:23:35,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:23:35,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657585585] [2019-12-07 21:23:35,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 21:23:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:23:35,745 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:23:35,747 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:23:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:35,760 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:23:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:35,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657585585] [2019-12-07 21:23:35,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:23:35,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:23:35,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951093678] [2019-12-07 21:23:35,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:23:35,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:23:35,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:23:35,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:23:35,774 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 4 states. [2019-12-07 21:23:35,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:23:35,785 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-12-07 21:23:35,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:23:35,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 21:23:35,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:23:35,786 INFO L225 Difference]: With dead ends: 77 [2019-12-07 21:23:35,786 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 21:23:35,787 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:23:35,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 21:23:35,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 21:23:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 21:23:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-12-07 21:23:35,791 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-12-07 21:23:35,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:23:35,791 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-12-07 21:23:35,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:23:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-07 21:23:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:23:35,792 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:35,792 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:35,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:23:35,994 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2019-12-07 21:23:35,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:23:35,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033596502] [2019-12-07 21:23:35,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 21:23:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:23:36,188 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:23:36,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:23:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:36,200 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:23:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:36,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033596502] [2019-12-07 21:23:36,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:23:36,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:23:36,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035593845] [2019-12-07 21:23:36,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:23:36,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:23:36,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:23:36,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:23:36,211 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2019-12-07 21:23:36,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:23:36,232 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2019-12-07 21:23:36,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:23:36,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 21:23:36,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:23:36,234 INFO L225 Difference]: With dead ends: 121 [2019-12-07 21:23:36,234 INFO L226 Difference]: Without dead ends: 91 [2019-12-07 21:23:36,235 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:23:36,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-12-07 21:23:36,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2019-12-07 21:23:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 21:23:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2019-12-07 21:23:36,245 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2019-12-07 21:23:36,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:23:36,246 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2019-12-07 21:23:36,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:23:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2019-12-07 21:23:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 21:23:36,247 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:36,247 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:36,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:23:36,448 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2019-12-07 21:23:36,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:23:36,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675919953] [2019-12-07 21:23:36,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 21:23:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:23:36,626 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:23:36,627 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:23:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:36,643 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:23:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:36,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675919953] [2019-12-07 21:23:36,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:23:36,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:23:36,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119627450] [2019-12-07 21:23:36,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:23:36,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:23:36,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:23:36,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:23:36,653 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 5 states. [2019-12-07 21:23:36,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:23:36,732 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2019-12-07 21:23:36,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 21:23:36,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 21:23:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:23:36,735 INFO L225 Difference]: With dead ends: 261 [2019-12-07 21:23:36,735 INFO L226 Difference]: Without dead ends: 211 [2019-12-07 21:23:36,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:23:36,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-12-07 21:23:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2019-12-07 21:23:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 21:23:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2019-12-07 21:23:36,752 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2019-12-07 21:23:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:23:36,753 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2019-12-07 21:23:36,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:23:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2019-12-07 21:23:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 21:23:36,754 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:36,754 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:36,955 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:23:36,955 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:36,956 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2019-12-07 21:23:36,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:23:36,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308707973] [2019-12-07 21:23:36,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 21:23:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:23:37,134 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:23:37,136 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:23:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:37,148 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:23:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:23:37,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308707973] [2019-12-07 21:23:37,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:23:37,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:23:37,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114407170] [2019-12-07 21:23:37,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:23:37,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:23:37,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:23:37,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:23:37,151 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand 5 states. [2019-12-07 21:23:37,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:23:37,233 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2019-12-07 21:23:37,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:23:37,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 21:23:37,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:23:37,234 INFO L225 Difference]: With dead ends: 289 [2019-12-07 21:23:37,234 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:23:37,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:23:37,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:23:37,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:23:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:23:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:23:37,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 21:23:37,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:23:37,237 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:23:37,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:23:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:23:37,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:23:37,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:23:37,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:23:37,691 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 21:23:37,692 INFO L242 CegarLoopResult]: At program point L465(lines 460 468) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,692 INFO L242 CegarLoopResult]: At program point L465-1(lines 460 468) the Hoare annotation is: false [2019-12-07 21:23:37,692 INFO L242 CegarLoopResult]: At program point L465-2(lines 460 468) the Hoare annotation is: false [2019-12-07 21:23:37,692 INFO L246 CegarLoopResult]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-12-07 21:23:37,692 INFO L242 CegarLoopResult]: At program point L845-1(lines 845 851) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,692 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:23:37,692 INFO L246 CegarLoopResult]: For program point L697(lines 697 714) no Hoare annotation was computed. [2019-12-07 21:23:37,692 INFO L246 CegarLoopResult]: For program point L697-1(lines 697 714) no Hoare annotation was computed. [2019-12-07 21:23:37,693 INFO L246 CegarLoopResult]: For program point L697-2(lines 697 714) no Hoare annotation was computed. [2019-12-07 21:23:37,693 INFO L246 CegarLoopResult]: For program point L813(lines 813 819) no Hoare annotation was computed. [2019-12-07 21:23:37,693 INFO L242 CegarLoopResult]: At program point L813-1(lines 813 819) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,693 INFO L242 CegarLoopResult]: At program point L665(lines 664 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,693 INFO L246 CegarLoopResult]: For program point L665-1(lines 665 671) no Hoare annotation was computed. [2019-12-07 21:23:37,693 INFO L242 CegarLoopResult]: At program point L665-2(lines 664 683) the Hoare annotation is: false [2019-12-07 21:23:37,693 INFO L242 CegarLoopResult]: At program point L665-3(lines 664 683) the Hoare annotation is: false [2019-12-07 21:23:37,693 INFO L246 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2019-12-07 21:23:37,693 INFO L242 CegarLoopResult]: At program point L633-1(lines 1 925) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,694 INFO L246 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2019-12-07 21:23:37,694 INFO L242 CegarLoopResult]: At program point L633-3(lines 1 925) the Hoare annotation is: false [2019-12-07 21:23:37,694 INFO L246 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2019-12-07 21:23:37,694 INFO L242 CegarLoopResult]: At program point L633-5(lines 1 925) the Hoare annotation is: false [2019-12-07 21:23:37,694 INFO L242 CegarLoopResult]: At program point L914(lines 1 925) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:23:37,694 INFO L246 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-12-07 21:23:37,694 INFO L246 CegarLoopResult]: For program point L865(lines 865 878) no Hoare annotation was computed. [2019-12-07 21:23:37,694 INFO L246 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2019-12-07 21:23:37,694 INFO L246 CegarLoopResult]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2019-12-07 21:23:37,695 INFO L246 CegarLoopResult]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2019-12-07 21:23:37,695 INFO L246 CegarLoopResult]: For program point L799-5(lines 799 803) no Hoare annotation was computed. [2019-12-07 21:23:37,695 INFO L246 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2019-12-07 21:23:37,695 INFO L246 CegarLoopResult]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2019-12-07 21:23:37,695 INFO L249 CegarLoopResult]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2019-12-07 21:23:37,695 INFO L246 CegarLoopResult]: For program point L799-8(lines 799 803) no Hoare annotation was computed. [2019-12-07 21:23:37,695 INFO L242 CegarLoopResult]: At program point L750(lines 745 753) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,695 INFO L242 CegarLoopResult]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2019-12-07 21:23:37,695 INFO L242 CegarLoopResult]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2019-12-07 21:23:37,695 INFO L246 CegarLoopResult]: For program point L701(lines 701 709) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L701-1(lines 701 709) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L701-2(lines 701 709) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L242 CegarLoopResult]: At program point L883(lines 834 884) the Hoare annotation is: false [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L637(lines 637 647) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L637-2(lines 637 647) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L637-4(lines 637 647) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L836(lines 835 882) no Hoare annotation was computed. [2019-12-07 21:23:37,696 INFO L246 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2019-12-07 21:23:37,697 INFO L242 CegarLoopResult]: At program point L572(lines 568 574) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:23:37,697 INFO L246 CegarLoopResult]: For program point L638-2(lines 638 644) no Hoare annotation was computed. [2019-12-07 21:23:37,697 INFO L242 CegarLoopResult]: At program point L506(lines 501 509) the Hoare annotation is: false [2019-12-07 21:23:37,697 INFO L246 CegarLoopResult]: For program point L638-4(lines 638 644) no Hoare annotation was computed. [2019-12-07 21:23:37,697 INFO L242 CegarLoopResult]: At program point L506-1(lines 501 509) the Hoare annotation is: false [2019-12-07 21:23:37,697 INFO L246 CegarLoopResult]: For program point L440(lines 440 444) no Hoare annotation was computed. [2019-12-07 21:23:37,697 INFO L242 CegarLoopResult]: At program point L506-2(lines 501 509) the Hoare annotation is: false [2019-12-07 21:23:37,697 INFO L242 CegarLoopResult]: At program point L622(lines 617 624) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:23:37,697 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 21:23:37,698 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 21:23:37,698 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 21:23:37,698 INFO L242 CegarLoopResult]: At program point L523-2(lines 523 537) the Hoare annotation is: false [2019-12-07 21:23:37,698 INFO L246 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2019-12-07 21:23:37,698 INFO L242 CegarLoopResult]: At program point L672(lines 672 678) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,698 INFO L242 CegarLoopResult]: At program point L672-1(lines 672 678) the Hoare annotation is: false [2019-12-07 21:23:37,698 INFO L242 CegarLoopResult]: At program point L672-2(lines 672 678) the Hoare annotation is: false [2019-12-07 21:23:37,698 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:23:37,698 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 21:23:37,699 INFO L246 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-12-07 21:23:37,699 INFO L242 CegarLoopResult]: At program point L871-1(lines 665 671) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,699 INFO L242 CegarLoopResult]: At program point L805(lines 790 808) the Hoare annotation is: false [2019-12-07 21:23:37,699 INFO L242 CegarLoopResult]: At program point L805-1(lines 790 808) the Hoare annotation is: false [2019-12-07 21:23:37,699 INFO L242 CegarLoopResult]: At program point L805-2(lines 790 808) the Hoare annotation is: false [2019-12-07 21:23:37,699 INFO L246 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-12-07 21:23:37,699 INFO L242 CegarLoopResult]: At program point L855-1(lines 855 861) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:23:37,699 INFO L242 CegarLoopResult]: At program point L922(lines 917 925) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:23:37,699 INFO L246 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2019-12-07 21:23:37,700 INFO L246 CegarLoopResult]: For program point L527-1(lines 665 671) no Hoare annotation was computed. [2019-12-07 21:23:37,700 INFO L246 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-12-07 21:23:37,700 INFO L246 CegarLoopResult]: For program point L428-3(lines 428 432) no Hoare annotation was computed. [2019-12-07 21:23:37,700 INFO L246 CegarLoopResult]: For program point L428-6(lines 428 432) no Hoare annotation was computed. [2019-12-07 21:23:37,700 INFO L249 CegarLoopResult]: At program point L610(lines 591 613) the Hoare annotation is: true [2019-12-07 21:23:37,700 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:23:37,700 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 21:23:37,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:23:37 BoogieIcfgContainer [2019-12-07 21:23:37,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:23:37,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:23:37,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:23:37,714 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:23:37,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:23:35" (3/4) ... [2019-12-07 21:23:37,717 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:23:37,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:23:37,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:23:37,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:23:37,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:23:37,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:23:37,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:23:37,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:23:37,752 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 21:23:37,799 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6e6a39fd-25bc-4a8d-9244-c98f74c02d5d/bin/utaipan/witness.graphml [2019-12-07 21:23:37,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:23:37,801 INFO L168 Benchmark]: Toolchain (without parser) took 3640.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -234.3 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:37,802 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:23:37,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:37,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:23:37,803 INFO L168 Benchmark]: Boogie Preprocessor took 26.99 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:37,803 INFO L168 Benchmark]: RCFGBuilder took 493.39 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: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:37,803 INFO L168 Benchmark]: TraceAbstraction took 2610.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 792.1 MB in the end (delta: 226.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:37,804 INFO L168 Benchmark]: Witness Printer took 86.23 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 792.1 MB in the beginning and 1.2 GB in the end (delta: -389.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:37,805 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 377.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.50 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. * Boogie Preprocessor took 26.99 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 493.39 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: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2610.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 792.1 MB in the end (delta: 226.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. * Witness Printer took 86.23 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 792.1 MB in the beginning and 1.2 GB in the end (delta: -389.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 350 SDtfs, 403 SDslu, 409 SDs, 0 SdLazy, 50 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=99occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 918 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...