./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78e630cdfb1cd89877a912be67c0a041bc0bca96 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78e630cdfb1cd89877a912be67c0a041bc0bca96 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:31,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:31,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:32,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:32,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:32,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:32,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:32,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:32,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:32,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:32,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:32,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:32,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:32,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:32,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:32,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:32,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:32,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:32,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:32,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:32,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:32,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:32,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:32,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:32,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:32,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:32,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:32,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:32,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:32,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:32,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:32,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:32,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:32,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:32,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:32,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:32,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:32,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:32,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:32,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:32,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:32,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:32,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:32,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:32,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:32,180 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:32,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:32,180 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:32,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:32,181 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:32,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:32,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:32,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:32,182 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:32,183 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:32,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:32,183 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:32,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:32,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:32,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:32,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:32,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:32,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:32,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:32,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:32,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:32,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:32,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:32,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:32,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:32,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:32,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:32,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:32,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:32,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:32,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:32,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:32,190 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:32,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:32,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:32,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:32,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:32,191 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78e630cdfb1cd89877a912be67c0a041bc0bca96 [2020-11-22 13:05:32,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:32,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:32,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:32,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:32,518 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:32,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-22 13:05:32,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/b56eb4d02/de67e310aacc488d863a49510981a715/FLAGfda0de6cf [2020-11-22 13:05:33,123 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:33,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-22 13:05:33,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/b56eb4d02/de67e310aacc488d863a49510981a715/FLAGfda0de6cf [2020-11-22 13:05:33,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/b56eb4d02/de67e310aacc488d863a49510981a715 [2020-11-22 13:05:33,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:33,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:33,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:33,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:33,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:33,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681dd5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33, skipping insertion in model container [2020-11-22 13:05:33,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:33,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:33,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:33,941 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) [2020-11-22 13:05:33,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d2d5cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33, skipping insertion in model container [2020-11-22 13:05:33,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:33,943 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:33,946 INFO L168 Benchmark]: Toolchain (without parser) took 520.14 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 61.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:33,948 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 60.2 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:33,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.60 ms. Allocated memory is still 86.0 MB. Free memory was 53.3 MB in the beginning and 61.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:33,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 60.2 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.60 ms. Allocated memory is still 86.0 MB. Free memory was 53.3 MB in the beginning and 61.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 405]: 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 0.2.0-a4ecdab [2020-11-22 13:05:36,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:36,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:36,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:36,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:36,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:36,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:36,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:36,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:36,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:36,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:36,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:36,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:36,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:36,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:36,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:36,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:36,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:36,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:36,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:36,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:36,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:36,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:36,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:36,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:36,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:36,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:36,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:36,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:36,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:36,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:36,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:36,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:36,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:36,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:36,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:36,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:36,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:36,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:36,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:36,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:36,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:36,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:36,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:36,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:36,352 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:36,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:36,353 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:36,353 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:36,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:36,354 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:36,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:36,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:36,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:36,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:36,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:36,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:36,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:36,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:36,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:36,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:36,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:36,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:36,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:36,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:36,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:36,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:36,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:36,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:36,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:36,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:36,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:36,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:36,360 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:36,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:36,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:36,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:36,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:36,361 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78e630cdfb1cd89877a912be67c0a041bc0bca96 [2020-11-22 13:05:36,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:36,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:36,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:36,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:36,772 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:36,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-22 13:05:36,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/eb4a8f550/ed1ca85b2d9e416a996d92c6342123c4/FLAG72d5babdd [2020-11-22 13:05:37,393 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:37,397 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-22 13:05:37,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/eb4a8f550/ed1ca85b2d9e416a996d92c6342123c4/FLAG72d5babdd [2020-11-22 13:05:37,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/data/eb4a8f550/ed1ca85b2d9e416a996d92c6342123c4 [2020-11-22 13:05:37,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:37,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:37,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:37,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:37,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:37,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:37" (1/1) ... [2020-11-22 13:05:37,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b15ca86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:37, skipping insertion in model container [2020-11-22 13:05:37,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:37" (1/1) ... [2020-11-22 13:05:37,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:37,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:38,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:38,122 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:38,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:38,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:38,272 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:38,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:38,415 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:38,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38 WrapperNode [2020-11-22 13:05:38,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:38,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:38,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:38,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:38,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:38,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:38,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:38,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:38,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:38,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:38,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:38,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:38,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/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 [2020-11-22 13:05:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:40,790 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:40,790 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 13:05:40,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:40 BoogieIcfgContainer [2020-11-22 13:05:40,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:40,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:40,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:40,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:40,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:37" (1/3) ... [2020-11-22 13:05:40,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270625f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:40, skipping insertion in model container [2020-11-22 13:05:40,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (2/3) ... [2020-11-22 13:05:40,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270625f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:40, skipping insertion in model container [2020-11-22 13:05:40,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:40" (3/3) ... [2020-11-22 13:05:40,812 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-11-22 13:05:40,830 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:40,836 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:40,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:40,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:40,884 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:40,885 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:40,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:40,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:40,885 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:40,885 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:40,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-22 13:05:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:05:40,907 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:40,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:40,908 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:40,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:40,915 INFO L82 PathProgramCache]: Analyzing trace with hash 968341668, now seen corresponding path program 1 times [2020-11-22 13:05:40,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:40,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093309291] [2020-11-22 13:05:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/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 [2020-11-22 13:05:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:41,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:41,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:41,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:41,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093309291] [2020-11-22 13:05:41,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:41,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:41,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539672096] [2020-11-22 13:05:41,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:41,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:41,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:41,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:41,287 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-22 13:05:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:41,321 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-11-22 13:05:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:41,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:05:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:41,335 INFO L225 Difference]: With dead ends: 146 [2020-11-22 13:05:41,336 INFO L226 Difference]: Without dead ends: 71 [2020-11-22 13:05:41,342 INFO L677 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 [2020-11-22 13:05:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-22 13:05:41,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-22 13:05:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-22 13:05:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-11-22 13:05:41,405 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-11-22 13:05:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:41,406 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-11-22 13:05:41,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-11-22 13:05:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:05:41,407 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:41,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:41,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:41,628 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:41,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:41,629 INFO L82 PathProgramCache]: Analyzing trace with hash 749505699, now seen corresponding path program 1 times [2020-11-22 13:05:41,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:41,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760041248] [2020-11-22 13:05:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/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 [2020-11-22 13:05:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:41,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:41,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:41,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:41,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760041248] [2020-11-22 13:05:41,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:41,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:41,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276404807] [2020-11-22 13:05:41,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:41,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:41,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:41,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:41,935 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 4 states. [2020-11-22 13:05:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:41,952 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-11-22 13:05:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:41,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:05:41,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:41,955 INFO L225 Difference]: With dead ends: 71 [2020-11-22 13:05:41,956 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:05:41,957 INFO L677 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 [2020-11-22 13:05:41,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:05:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:05:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:05:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 13:05:41,967 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-22 13:05:41,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:41,971 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 13:05:41,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 13:05:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:05:41,974 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:41,974 INFO L422 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] [2020-11-22 13:05:42,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:42,191 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:42,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:42,191 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2020-11-22 13:05:42,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:42,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003060180] [2020-11-22 13:05:42,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/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 [2020-11-22 13:05:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:42,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:42,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:42,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003060180] [2020-11-22 13:05:42,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:42,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:42,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965181669] [2020-11-22 13:05:42,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:42,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:42,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:42,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:42,471 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 13:05:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:42,506 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2020-11-22 13:05:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:05:42,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:05:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:42,508 INFO L225 Difference]: With dead ends: 115 [2020-11-22 13:05:42,508 INFO L226 Difference]: Without dead ends: 87 [2020-11-22 13:05:42,509 INFO L677 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 [2020-11-22 13:05:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-22 13:05:42,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2020-11-22 13:05:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-22 13:05:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-11-22 13:05:42,524 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-11-22 13:05:42,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:42,525 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-11-22 13:05:42,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-11-22 13:05:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:05:42,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:42,527 INFO L422 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] [2020-11-22 13:05:42,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:42,747 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:42,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:42,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2020-11-22 13:05:42,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:42,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445832669] [2020-11-22 13:05:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/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 [2020-11-22 13:05:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:42,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:42,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:42,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:42,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445832669] [2020-11-22 13:05:42,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:42,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:05:42,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998611740] [2020-11-22 13:05:42,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:42,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:42,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:42,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:42,985 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-11-22 13:05:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:43,184 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-11-22 13:05:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:05:43,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:05:43,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:43,189 INFO L225 Difference]: With dead ends: 242 [2020-11-22 13:05:43,190 INFO L226 Difference]: Without dead ends: 194 [2020-11-22 13:05:43,190 INFO L677 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 [2020-11-22 13:05:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-22 13:05:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-11-22 13:05:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-22 13:05:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-11-22 13:05:43,217 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-11-22 13:05:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:43,219 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-11-22 13:05:43,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-11-22 13:05:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:05:43,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:43,223 INFO L422 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] [2020-11-22 13:05:43,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:43,439 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:43,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:43,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2020-11-22 13:05:43,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:43,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193973589] [2020-11-22 13:05:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/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 [2020-11-22 13:05:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:43,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:43,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:43,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:43,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193973589] [2020-11-22 13:05:43,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:43,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:43,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399818725] [2020-11-22 13:05:43,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:43,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:43,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:43,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:43,668 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-11-22 13:05:43,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:43,771 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-11-22 13:05:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:43,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:05:43,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:43,772 INFO L225 Difference]: With dead ends: 285 [2020-11-22 13:05:43,772 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:43,774 INFO L677 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 [2020-11-22 13:05:43,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:43,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:43,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 13:05:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:43,775 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:43,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:43,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:43,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:05:43,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:44,396 INFO L274 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-11-22 13:05:44,397 INFO L270 CegarLoopResult]: At program point L250-1(lines 250 256) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,397 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:44,397 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:44,397 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:44,397 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:44,397 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:44,398 INFO L270 CegarLoopResult]: At program point L152(lines 145 155) the Hoare annotation is: false [2020-11-22 13:05:44,398 INFO L270 CegarLoopResult]: At program point L152-1(lines 145 155) the Hoare annotation is: false [2020-11-22 13:05:44,398 INFO L270 CegarLoopResult]: At program point L152-2(lines 145 155) the Hoare annotation is: false [2020-11-22 13:05:44,398 INFO L277 CegarLoopResult]: At program point L912(lines 893 915) the Hoare annotation is: true [2020-11-22 13:05:44,398 INFO L270 CegarLoopResult]: At program point L879(lines 875 881) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:44,398 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-11-22 13:05:44,398 INFO L274 CegarLoopResult]: For program point L798(lines 798 815) no Hoare annotation was computed. [2020-11-22 13:05:44,399 INFO L270 CegarLoopResult]: At program point L798-1(lines 1 915) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,399 INFO L270 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: false [2020-11-22 13:05:44,399 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 815) no Hoare annotation was computed. [2020-11-22 13:05:44,399 INFO L270 CegarLoopResult]: At program point L798-3(lines 1 915) the Hoare annotation is: false [2020-11-22 13:05:44,399 INFO L274 CegarLoopResult]: For program point L798-4(lines 798 815) no Hoare annotation was computed. [2020-11-22 13:05:44,399 INFO L270 CegarLoopResult]: At program point L798-5(lines 1 915) the Hoare annotation is: false [2020-11-22 13:05:44,399 INFO L274 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-11-22 13:05:44,399 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-11-22 13:05:44,399 INFO L270 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L270 CegarLoopResult]: At program point L768(lines 1 915) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L372-1(line 372) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L372-2(line 372) no Hoare annotation was computed. [2020-11-22 13:05:44,400 INFO L274 CegarLoopResult]: For program point L240(lines 240 246) no Hoare annotation was computed. [2020-11-22 13:05:44,401 INFO L270 CegarLoopResult]: At program point L240-1(lines 240 246) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,401 INFO L274 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-11-22 13:05:44,401 INFO L274 CegarLoopResult]: For program point L802(lines 802 812) no Hoare annotation was computed. [2020-11-22 13:05:44,401 INFO L274 CegarLoopResult]: For program point L835-1(lines 59 65) no Hoare annotation was computed. [2020-11-22 13:05:44,401 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 812) no Hoare annotation was computed. [2020-11-22 13:05:44,401 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 812) no Hoare annotation was computed. [2020-11-22 13:05:44,401 INFO L270 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,401 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-11-22 13:05:44,402 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-11-22 13:05:44,402 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-11-22 13:05:44,402 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:44,402 INFO L274 CegarLoopResult]: For program point L803(lines 803 809) no Hoare annotation was computed. [2020-11-22 13:05:44,402 INFO L274 CegarLoopResult]: For program point L803-2(lines 803 809) no Hoare annotation was computed. [2020-11-22 13:05:44,402 INFO L274 CegarLoopResult]: For program point L803-4(lines 803 809) no Hoare annotation was computed. [2020-11-22 13:05:44,402 INFO L270 CegarLoopResult]: At program point L787(lines 782 789) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:44,402 INFO L274 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-11-22 13:05:44,403 INFO L277 CegarLoopResult]: At program point L903-1(lines 903 910) the Hoare annotation is: true [2020-11-22 13:05:44,403 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:44,403 INFO L274 CegarLoopResult]: For program point L260(lines 260 273) no Hoare annotation was computed. [2020-11-22 13:05:44,403 INFO L270 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,403 INFO L270 CegarLoopResult]: At program point L161-1(lines 156 164) the Hoare annotation is: false [2020-11-22 13:05:44,403 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-11-22 13:05:44,403 INFO L270 CegarLoopResult]: At program point L161-2(lines 156 164) the Hoare annotation is: false [2020-11-22 13:05:44,403 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-11-22 13:05:44,403 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-11-22 13:05:44,404 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-11-22 13:05:44,404 INFO L274 CegarLoopResult]: For program point L294-3(lines 294 298) no Hoare annotation was computed. [2020-11-22 13:05:44,404 INFO L274 CegarLoopResult]: For program point L294-6(lines 294 298) no Hoare annotation was computed. [2020-11-22 13:05:44,404 INFO L270 CegarLoopResult]: At program point L278(lines 229 279) the Hoare annotation is: false [2020-11-22 13:05:44,404 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:44,404 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:44,404 INFO L270 CegarLoopResult]: At program point L776(lines 771 779) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:44,404 INFO L274 CegarLoopResult]: For program point L231(lines 230 277) no Hoare annotation was computed. [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L331(lines 326 334) the Hoare annotation is: false [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L331-1(lines 326 334) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L331-2(lines 326 334) the Hoare annotation is: false [2020-11-22 13:05:44,405 INFO L274 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-11-22 13:05:44,405 INFO L270 CegarLoopResult]: At program point L331-3(lines 326 334) the Hoare annotation is: false [2020-11-22 13:05:44,406 INFO L270 CegarLoopResult]: At program point L331-4(lines 326 334) the Hoare annotation is: false [2020-11-22 13:05:44,406 INFO L270 CegarLoopResult]: At program point L331-5(lines 326 334) the Hoare annotation is: false [2020-11-22 13:05:44,406 INFO L274 CegarLoopResult]: For program point L266(lines 266 272) no Hoare annotation was computed. [2020-11-22 13:05:44,406 INFO L270 CegarLoopResult]: At program point L266-1(lines 59 65) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:44,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:44 BoogieIcfgContainer [2020-11-22 13:05:44,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:44,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:44,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:44,422 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:44,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:40" (3/4) ... [2020-11-22 13:05:44,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:44,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:44,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:44,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:44,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:44,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:44,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:44,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:44,485 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:05:44,548 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db910415-b7ac-417f-bb68-6ddc2f948d3f/bin/utaipan/witness.graphml [2020-11-22 13:05:44,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:44,550 INFO L168 Benchmark]: Toolchain (without parser) took 6863.84 ms. Allocated memory was 60.8 MB in the beginning and 107.0 MB in the end (delta: 46.1 MB). Free memory was 39.2 MB in the beginning and 56.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,550 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:44,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.23 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 39.0 MB in the beginning and 56.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.50 ms. Allocated memory is still 83.9 MB. Free memory was 56.1 MB in the beginning and 53.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,552 INFO L168 Benchmark]: Boogie Preprocessor took 70.22 ms. Allocated memory is still 83.9 MB. Free memory was 53.0 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,553 INFO L168 Benchmark]: RCFGBuilder took 2195.48 ms. Allocated memory is still 83.9 MB. Free memory was 50.9 MB in the beginning and 42.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,553 INFO L168 Benchmark]: TraceAbstraction took 3615.41 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 42.3 MB in the beginning and 63.7 MB in the end (delta: -21.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,554 INFO L168 Benchmark]: Witness Printer took 126.40 ms. Allocated memory is still 107.0 MB. Free memory was 62.6 MB in the beginning and 56.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:44,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.23 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 39.0 MB in the beginning and 56.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.50 ms. Allocated memory is still 83.9 MB. Free memory was 56.1 MB in the beginning and 53.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.22 ms. Allocated memory is still 83.9 MB. Free memory was 53.0 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2195.48 ms. Allocated memory is still 83.9 MB. Free memory was 50.9 MB in the beginning and 42.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3615.41 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 42.3 MB in the beginning and 63.7 MB in the end (delta: -21.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 126.40 ms. Allocated memory is still 107.0 MB. Free memory was 62.6 MB in the beginning and 56.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 369 SDslu, 367 SDs, 0 SdLazy, 66 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 988 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...