./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.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_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 2db56498d5efee7ebbfc800217bb7d691cfe36ed ............................................................................................................................................ 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_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 2db56498d5efee7ebbfc800217bb7d691cfe36ed .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:26,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:26,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:26,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:26,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:26,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:26,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:26,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:26,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:26,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:26,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:26,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:26,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:26,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:26,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:26,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:26,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:26,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:26,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:26,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:26,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:26,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:26,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:26,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:26,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:26,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:26,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:26,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:26,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:26,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:26,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:26,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:26,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:26,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:26,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:26,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:26,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:26,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:26,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:26,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:26,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:26,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:26,294 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:26,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:26,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:26,304 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:26,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:26,305 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:26,305 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:26,305 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:26,305 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:26,305 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:26,306 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:26,306 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:26,306 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:26,306 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:26,306 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:26,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:26,307 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:26,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:26,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:26,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:26,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:26,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:26,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:26,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:26,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:26,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:26,309 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:26,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:26,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:26,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:26,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:26,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:26,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:26,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:26,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:26,311 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:26,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:26,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:26,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:26,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:26,312 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_632ff471-1bc2-466c-b172-0a787246f1bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2020-11-28 07:42:26,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:26,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:26,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:26,623 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:26,624 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:26,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-28 07:42:26,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/6d088edc6/c97eb72025614517ad3b5ce2a09488fc/FLAGdc6aacd5a [2020-11-28 07:42:27,252 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:27,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-28 07:42:27,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/6d088edc6/c97eb72025614517ad3b5ce2a09488fc/FLAGdc6aacd5a [2020-11-28 07:42:27,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/6d088edc6/c97eb72025614517ad3b5ce2a09488fc [2020-11-28 07:42:27,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:27,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:27,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:27,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:27,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:27,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:27" (1/1) ... [2020-11-28 07:42:27,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ed39d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:27, skipping insertion in model container [2020-11-28 07:42:27,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:27" (1/1) ... [2020-11-28 07:42:27,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:27,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:27,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:27,937 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) [2020-11-28 07:42:27,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1396a8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:27, skipping insertion in model container [2020-11-28 07:42:27,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:27,938 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:42:27,941 INFO L168 Benchmark]: Toolchain (without parser) took 405.80 ms. Allocated memory is still 98.6 MB. Free memory was 72.0 MB in the beginning and 74.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:27,942 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:27,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.32 ms. Allocated memory is still 98.6 MB. Free memory was 72.0 MB in the beginning and 74.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:27,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.32 ms. Allocated memory is still 98.6 MB. Free memory was 72.0 MB in the beginning and 74.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 504]: 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 [2020-11-28 07:42:30,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:30,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:30,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:30,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:30,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:30,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:30,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:30,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:30,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:30,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:30,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:30,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:30,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:30,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:30,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:30,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:30,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:30,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:30,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:30,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:30,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:30,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:30,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:30,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:30,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:30,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:30,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:30,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:30,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:30,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:30,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:30,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:30,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:30,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:30,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:30,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:30,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:30,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:30,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:30,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:30,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:42:30,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:30,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:30,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:30,489 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:30,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:30,490 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:30,490 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:30,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:30,491 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:30,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:30,494 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:30,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:30,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:30,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:30,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:30,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:30,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:30,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:42:30,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:42:30,496 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:30,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:30,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:30,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:30,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:30,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:42:30,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:30,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:30,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:30,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:30,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:30,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:30,498 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:42:30,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:42:30,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:30,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:30,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:30,500 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_632ff471-1bc2-466c-b172-0a787246f1bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2020-11-28 07:42:30,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:30,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:30,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:30,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:30,965 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:30,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-28 07:42:31,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/dc7aee307/43bf8a20a5434bab9ebf72c123e7c566/FLAGe16297d65 [2020-11-28 07:42:31,659 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:31,659 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-28 07:42:31,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/dc7aee307/43bf8a20a5434bab9ebf72c123e7c566/FLAGe16297d65 [2020-11-28 07:42:31,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/data/dc7aee307/43bf8a20a5434bab9ebf72c123e7c566 [2020-11-28 07:42:31,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:31,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:31,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:31,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:31,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:31,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:31" (1/1) ... [2020-11-28 07:42:31,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c1ad07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:31, skipping insertion in model container [2020-11-28 07:42:31,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:31" (1/1) ... [2020-11-28 07:42:31,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:32,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:32,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:32,431 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:42:32,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:32,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:32,553 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:32,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:32,688 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:32,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32 WrapperNode [2020-11-28 07:42:32,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:32,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:32,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:32,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:32,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:32,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:32,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:32,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:32,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:32,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:32,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:32,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:32,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 [2020-11-28 07:42:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:42:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:35,709 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:35,709 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-11-28 07:42:35,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:35 BoogieIcfgContainer [2020-11-28 07:42:35,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:35,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:35,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:35,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:35,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:31" (1/3) ... [2020-11-28 07:42:35,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c4049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:35, skipping insertion in model container [2020-11-28 07:42:35,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (2/3) ... [2020-11-28 07:42:35,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c4049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:35, skipping insertion in model container [2020-11-28 07:42:35,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:35" (3/3) ... [2020-11-28 07:42:35,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-11-28 07:42:35,731 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:35,736 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:42:35,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:42:35,789 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:35,789 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:35,789 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:35,789 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:35,790 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:35,790 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:35,790 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:35,790 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-28 07:42:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:42:35,814 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:35,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:35,816 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:35,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:35,830 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-11-28 07:42:35,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:35,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915062709] [2020-11-28 07:42:35,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 [2020-11-28 07:42:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:36,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:42:36,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:36,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:36,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915062709] [2020-11-28 07:42:36,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:36,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:42:36,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398148059] [2020-11-28 07:42:36,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:42:36,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:36,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:42:36,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:36,162 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-28 07:42:36,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:36,187 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-28 07:42:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:42:36,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:42:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:36,198 INFO L225 Difference]: With dead ends: 111 [2020-11-28 07:42:36,199 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 07:42:36,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 07:42:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-28 07:42:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 07:42:36,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-28 07:42:36,258 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-28 07:42:36,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:36,258 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-28 07:42:36,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:42:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-28 07:42:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:42:36,260 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:36,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:36,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:42:36,475 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:36,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:36,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-11-28 07:42:36,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:36,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963153534] [2020-11-28 07:42:36,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 [2020-11-28 07:42:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:36,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:36,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:36,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:36,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963153534] [2020-11-28 07:42:36,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:36,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:36,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293453768] [2020-11-28 07:42:36,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:36,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:36,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:36,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:36,712 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2020-11-28 07:42:36,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:36,730 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-28 07:42:36,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:36,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:42:36,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:36,732 INFO L225 Difference]: With dead ends: 53 [2020-11-28 07:42:36,733 INFO L226 Difference]: Without dead ends: 27 [2020-11-28 07:42:36,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:36,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-28 07:42:36,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-28 07:42:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-28 07:42:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-28 07:42:36,738 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-28 07:42:36,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:36,738 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-28 07:42:36,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-28 07:42:36,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:42:36,741 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:36,741 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] [2020-11-28 07:42:36,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:42:36,953 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:36,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:36,954 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-11-28 07:42:36,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:36,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088274006] [2020-11-28 07:42:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 [2020-11-28 07:42:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:37,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:37,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088274006] [2020-11-28 07:42:37,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:37,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-28 07:42:37,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884444634] [2020-11-28 07:42:37,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:42:37,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:37,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:42:37,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:42:37,237 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-28 07:42:37,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:37,554 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2020-11-28 07:42:37,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 07:42:37,555 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-28 07:42:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:37,558 INFO L225 Difference]: With dead ends: 154 [2020-11-28 07:42:37,558 INFO L226 Difference]: Without dead ends: 133 [2020-11-28 07:42:37,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-28 07:42:37,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-28 07:42:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2020-11-28 07:42:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 07:42:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-28 07:42:37,587 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-28 07:42:37,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:37,587 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-28 07:42:37,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:42:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-28 07:42:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 07:42:37,589 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:37,589 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] [2020-11-28 07:42:37,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:42:37,810 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:37,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:37,810 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2020-11-28 07:42:37,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:37,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674532334] [2020-11-28 07:42:37,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 [2020-11-28 07:42:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:37,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:37,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674532334] [2020-11-28 07:42:37,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:37,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:42:37,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299435363] [2020-11-28 07:42:37,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:42:37,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:37,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:42:37,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:37,999 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-28 07:42:38,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:38,020 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-28 07:42:38,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:38,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-28 07:42:38,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:38,022 INFO L225 Difference]: With dead ends: 95 [2020-11-28 07:42:38,022 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 07:42:38,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 07:42:38,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 07:42:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 07:42:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-28 07:42:38,032 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-28 07:42:38,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:38,033 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-28 07:42:38,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:42:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-28 07:42:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 07:42:38,034 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:38,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:38,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:42:38,251 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:38,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:38,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1406334575, now seen corresponding path program 1 times [2020-11-28 07:42:38,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:38,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030738706] [2020-11-28 07:42:38,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/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 [2020-11-28 07:42:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:38,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:38,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:38,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:38,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030738706] [2020-11-28 07:42:38,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [508079751] [2020-11-28 07:42:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:38,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:38,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 07:42:38,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 07:42:38,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:42:38,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-28 07:42:38,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962130522] [2020-11-28 07:42:38,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:38,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:38,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:38,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:42:38,774 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2020-11-28 07:42:38,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:38,914 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-28 07:42:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:38,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-28 07:42:38,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:38,915 INFO L225 Difference]: With dead ends: 111 [2020-11-28 07:42:38,915 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:38,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-28 07:42:38,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:38,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-28 07:42:38,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:38,917 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:38,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:38,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:39,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2020-11-28 07:42:39,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:39,694 INFO L274 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-11-28 07:42:39,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,695 INFO L274 CegarLoopResult]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2020-11-28 07:42:39,696 INFO L277 CegarLoopResult]: At program point L185(lines 166 188) the Hoare annotation is: true [2020-11-28 07:42:39,696 INFO L270 CegarLoopResult]: At program point L152(lines 148 154) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,696 INFO L274 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-11-28 07:42:39,696 INFO L274 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2020-11-28 07:42:39,696 INFO L270 CegarLoopResult]: At program point L334-1(lines 334 340) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,696 INFO L270 CegarLoopResult]: At program point L204(lines 203 222) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,696 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2020-11-28 07:42:39,697 INFO L270 CegarLoopResult]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2020-11-28 07:42:39,697 INFO L274 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-11-28 07:42:39,697 INFO L270 CegarLoopResult]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2020-11-28 07:42:39,697 INFO L274 CegarLoopResult]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2020-11-28 07:42:39,697 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-11-28 07:42:39,697 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,697 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,697 INFO L270 CegarLoopResult]: At program point L76(lines 1 840) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,698 INFO L274 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2020-11-28 07:42:39,698 INFO L270 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,698 INFO L274 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-11-28 07:42:39,698 INFO L277 CegarLoopResult]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2020-11-28 07:42:39,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,698 INFO L274 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2020-11-28 07:42:39,698 INFO L270 CegarLoopResult]: At program point L458-1(lines 1 840) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,698 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2020-11-28 07:42:39,699 INFO L270 CegarLoopResult]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2020-11-28 07:42:39,699 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2020-11-28 07:42:39,699 INFO L270 CegarLoopResult]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2020-11-28 07:42:39,699 INFO L274 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-11-28 07:42:39,699 INFO L274 CegarLoopResult]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2020-11-28 07:42:39,699 INFO L270 CegarLoopResult]: At program point L211(lines 211 217) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,699 INFO L270 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2020-11-28 07:42:39,699 INFO L274 CegarLoopResult]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2020-11-28 07:42:39,700 INFO L270 CegarLoopResult]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2020-11-28 07:42:39,700 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 07:42:39,700 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 07:42:39,700 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 07:42:39,700 INFO L270 CegarLoopResult]: At program point L360(lines 313 361) the Hoare annotation is: false [2020-11-28 07:42:39,700 INFO L274 CegarLoopResult]: For program point L344(lines 344 355) no Hoare annotation was computed. [2020-11-28 07:42:39,700 INFO L270 CegarLoopResult]: At program point L263(lines 258 266) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,700 INFO L270 CegarLoopResult]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2020-11-28 07:42:39,701 INFO L270 CegarLoopResult]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2020-11-28 07:42:39,701 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,701 INFO L270 CegarLoopResult]: At program point L445(lines 440 448) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,701 INFO L270 CegarLoopResult]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2020-11-28 07:42:39,701 INFO L270 CegarLoopResult]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2020-11-28 07:42:39,701 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,701 INFO L274 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-11-28 07:42:39,702 INFO L274 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2020-11-28 07:42:39,702 INFO L274 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2020-11-28 07:42:39,702 INFO L274 CegarLoopResult]: For program point L315(lines 314 359) no Hoare annotation was computed. [2020-11-28 07:42:39,702 INFO L270 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,702 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2020-11-28 07:42:39,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:39 BoogieIcfgContainer [2020-11-28 07:42:39,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:39,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:39,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:39,729 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:39,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:35" (3/4) ... [2020-11-28 07:42:39,732 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:39,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:42:39,749 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:42:39,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:42:39,751 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:42:39,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:39,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:39,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:39,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-28 07:42:39,834 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_632ff471-1bc2-466c-b172-0a787246f1bf/bin/utaipan/witness.graphml [2020-11-28 07:42:39,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:39,841 INFO L168 Benchmark]: Toolchain (without parser) took 7875.25 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.2 MB in the beginning and 48.0 MB in the end (delta: -19.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,841 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:39,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.20 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.0 MB in the beginning and 31.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.43 ms. Allocated memory is still 62.9 MB. Free memory was 31.3 MB in the beginning and 28.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,843 INFO L168 Benchmark]: Boogie Preprocessor took 77.65 ms. Allocated memory is still 62.9 MB. Free memory was 28.7 MB in the beginning and 44.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,843 INFO L168 Benchmark]: RCFGBuilder took 2831.04 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 27.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,844 INFO L168 Benchmark]: TraceAbstraction took 4015.78 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 52.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,844 INFO L168 Benchmark]: Witness Printer took 105.87 ms. Allocated memory is still 79.7 MB. Free memory was 52.9 MB in the beginning and 48.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.20 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.0 MB in the beginning and 31.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.43 ms. Allocated memory is still 62.9 MB. Free memory was 31.3 MB in the beginning and 28.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.65 ms. Allocated memory is still 62.9 MB. Free memory was 28.7 MB in the beginning and 44.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2831.04 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 27.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4015.78 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 52.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * Witness Printer took 105.87 ms. Allocated memory is still 79.7 MB. Free memory was 52.9 MB in the beginning and 48.0 MB in the end (delta: 4.9 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: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 382 SDslu, 338 SDs, 0 SdLazy, 84 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 93 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1446 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1203 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 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...