./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_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 [2020-11-22 13:04:44,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:44,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:44,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:44,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:44,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:44,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:44,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:44,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:44,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:44,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:44,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:44,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:44,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:44,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:44,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:44,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:44,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:44,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:44,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:44,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:44,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:44,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:44,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:44,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:44,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:44,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:44,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:44,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:44,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:44,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:44,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:44,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:44,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:44,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:44,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:44,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:44,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:44,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:44,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:44,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:44,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:04:44,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:44,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:44,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:44,382 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:44,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:44,383 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:44,383 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:44,383 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:44,384 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:44,384 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:44,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:44,385 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:44,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:44,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:44,386 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:44,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:44,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:44,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:44,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:44,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:44,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:44,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:44,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:44,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:44,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:44,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:44,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:44,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:44,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:44,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:44,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:44,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:44,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:44,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:44,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:44,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:44,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:44,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:44,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:44,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:44,394 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_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2020-11-22 13:04:44,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:44,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:44,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:44,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:44,725 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:44,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-22 13:04:44,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/86cc0f68a/a49c9ee5558044d991e465fcacbed177/FLAG11c52f244 [2020-11-22 13:04:45,370 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:45,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-22 13:04:45,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/86cc0f68a/a49c9ee5558044d991e465fcacbed177/FLAG11c52f244 [2020-11-22 13:04:45,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/86cc0f68a/a49c9ee5558044d991e465fcacbed177 [2020-11-22 13:04:45,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:45,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:45,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:45,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:45,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:45,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:45" (1/1) ... [2020-11-22 13:04:45,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff1cd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:45, skipping insertion in model container [2020-11-22 13:04:45,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:45" (1/1) ... [2020-11-22 13:04:45,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:45,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:46,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:46,089 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 13:04:46,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56363132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:46, skipping insertion in model container [2020-11-22 13:04:46,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:46,091 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:46,098 INFO L168 Benchmark]: Toolchain (without parser) took 434.10 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 71.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:46,098 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:46,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.29 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 71.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:46,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.29 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 71.3 MB in the end (delta: -6.0 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 [2020-11-22 13:04:48,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:48,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:48,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:48,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:48,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:48,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:48,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:48,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:48,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:48,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:48,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:48,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:48,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:48,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:48,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:48,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:48,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:48,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:48,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:48,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:48,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:48,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:48,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:48,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:48,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:48,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:48,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:48,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:48,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:48,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:48,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:48,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:48,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:48,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:48,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:48,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:48,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:48,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:48,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:48,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:48,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:04:48,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:48,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:48,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:48,506 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:48,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:48,507 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:48,507 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:48,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:48,508 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:48,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:48,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:48,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:48,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:48,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:48,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:48,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:48,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:48,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:48,512 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:48,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:48,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:48,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:48,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:48,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:48,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:48,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:48,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:48,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:48,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:48,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:48,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:48,516 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:48,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:48,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:48,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:48,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:48,528 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_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2020-11-22 13:04:48,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:48,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:48,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:48,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:48,987 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:48,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-22 13:04:49,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/042978cf7/0508fb5d3d1f4620844808ca1b457bce/FLAGb198a8edb [2020-11-22 13:04:49,677 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:49,680 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2020-11-22 13:04:49,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/042978cf7/0508fb5d3d1f4620844808ca1b457bce/FLAGb198a8edb [2020-11-22 13:04:49,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/data/042978cf7/0508fb5d3d1f4620844808ca1b457bce [2020-11-22 13:04:49,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:49,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:49,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:49,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:49,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:49,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1539360c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49, skipping insertion in model container [2020-11-22 13:04:49,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:50,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:50,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:50,382 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:04:50,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:50,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:50,530 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:04:50,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:50,674 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:04:50,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50 WrapperNode [2020-11-22 13:04:50,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:50,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:50,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:04:50,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:04:50,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:50,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:04:50,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:04:50,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:04:50,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... [2020-11-22 13:04:50,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:04:50,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:04:50,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:04:50,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:04:50,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 13:04:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:04:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:04:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:04:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:53,590 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:53,591 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-11-22 13:04:53,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:53 BoogieIcfgContainer [2020-11-22 13:04:53,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:53,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:53,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:53,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:53,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:04:49" (1/3) ... [2020-11-22 13:04:53,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c1f6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:53, skipping insertion in model container [2020-11-22 13:04:53,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:50" (2/3) ... [2020-11-22 13:04:53,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c1f6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:53, skipping insertion in model container [2020-11-22 13:04:53,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:53" (3/3) ... [2020-11-22 13:04:53,604 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-11-22 13:04:53,615 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:53,620 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:04:53,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:53,664 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:53,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:53,665 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:53,665 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:53,665 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:53,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:53,665 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:53,665 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-22 13:04:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:04:53,684 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:53,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:53,685 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:53,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:53,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-11-22 13:04:53,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:53,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106837463] [2020-11-22 13:04:53,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 13:04:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:54,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:04:54,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:54,113 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 13:04:54,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:54,118 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 13:04:54,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106837463] [2020-11-22 13:04:54,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:54,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:54,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023100041] [2020-11-22 13:04:54,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:04:54,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:54,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:04:54,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:54,149 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-22 13:04:54,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:54,173 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-22 13:04:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:04:54,175 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:04:54,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:54,182 INFO L225 Difference]: With dead ends: 111 [2020-11-22 13:04:54,182 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 13:04:54,187 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 [2020-11-22 13:04:54,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 13:04:54,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 13:04:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 13:04:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-22 13:04:54,246 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-22 13:04:54,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:54,247 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-22 13:04:54,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:04:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-22 13:04:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:04:54,249 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:54,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:54,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:04:54,469 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:54,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:54,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-11-22 13:04:54,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:54,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182616223] [2020-11-22 13:04:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 13:04:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:54,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:54,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:54,770 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 13:04:54,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:54,788 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 13:04:54,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182616223] [2020-11-22 13:04:54,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:54,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:54,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386617820] [2020-11-22 13:04:54,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:54,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:54,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:54,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:54,792 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2020-11-22 13:04:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:54,817 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-22 13:04:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:54,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:04:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:54,820 INFO L225 Difference]: With dead ends: 53 [2020-11-22 13:04:54,820 INFO L226 Difference]: Without dead ends: 27 [2020-11-22 13:04:54,822 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 [2020-11-22 13:04:54,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-22 13:04:54,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-22 13:04:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-22 13:04:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-22 13:04:54,832 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-22 13:04:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:54,833 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-22 13:04:54,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-22 13:04:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:04:54,837 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:54,837 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] [2020-11-22 13:04:55,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:04:55,054 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:55,055 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-11-22 13:04:55,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:55,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079331984] [2020-11-22 13:04:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 13:04:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:55,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:55,362 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 13:04:55,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:55,415 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 13:04:55,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079331984] [2020-11-22 13:04:55,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:55,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:04:55,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437352887] [2020-11-22 13:04:55,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:04:55,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:55,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:04:55,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:55,418 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-22 13:04:55,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:55,788 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2020-11-22 13:04:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:04:55,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-22 13:04:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:55,792 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:04:55,792 INFO L226 Difference]: Without dead ends: 133 [2020-11-22 13:04:55,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:04:55,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-22 13:04:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2020-11-22 13:04:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 13:04:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-22 13:04:55,807 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-22 13:04:55,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:55,808 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-22 13:04:55,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:04:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-22 13:04:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:04:55,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:55,809 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] [2020-11-22 13:04:56,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:04:56,022 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:56,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:56,023 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2020-11-22 13:04:56,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:56,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135035481] [2020-11-22 13:04:56,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 13:04:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:56,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:56,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:56,289 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 13:04:56,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:56,293 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 13:04:56,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135035481] [2020-11-22 13:04:56,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:56,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:56,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362088322] [2020-11-22 13:04:56,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:56,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:56,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:56,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:56,295 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-22 13:04:56,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:56,308 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-22 13:04:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:56,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-22 13:04:56,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:56,311 INFO L225 Difference]: With dead ends: 95 [2020-11-22 13:04:56,311 INFO L226 Difference]: Without dead ends: 57 [2020-11-22 13:04:56,312 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 [2020-11-22 13:04:56,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-22 13:04:56,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-22 13:04:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 13:04:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-22 13:04:56,326 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-22 13:04:56,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:56,327 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-22 13:04:56,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-22 13:04:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-22 13:04:56,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:56,329 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] [2020-11-22 13:04:56,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:04:56,552 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:56,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:56,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1406334575, now seen corresponding path program 1 times [2020-11-22 13:04:56,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:56,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697938300] [2020-11-22 13:04:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 13:04:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:56,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:04:56,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:56,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:56,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697938300] [2020-11-22 13:04:56,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2059393745] [2020-11-22 13:04:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/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 [2020-11-22 13:04:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:57,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:57,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 13:04:57,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 13:04:57,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:04:57,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:04:57,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787034722] [2020-11-22 13:04:57,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:57,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:57,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:57,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:04:57,095 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2020-11-22 13:04:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:57,201 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-22 13:04:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:04:57,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-22 13:04:57,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:57,202 INFO L225 Difference]: With dead ends: 111 [2020-11-22 13:04:57,202 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:04:57,203 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 [2020-11-22 13:04:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:04:57,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:04:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:04:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:04:57,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-22 13:04:57,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:57,204 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:04:57,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:04:57,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:04:57,604 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 [2020-11-22 13:04:57,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-11-22 13:04:57,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:04:57,968 INFO L274 CegarLoopResult]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2020-11-22 13:04:57,968 INFO L277 CegarLoopResult]: At program point L185(lines 166 188) the Hoare annotation is: true [2020-11-22 13:04:57,968 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)) [2020-11-22 13:04:57,968 INFO L274 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-11-22 13:04:57,968 INFO L274 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2020-11-22 13:04:57,968 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)) [2020-11-22 13:04:57,968 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)) [2020-11-22 13:04:57,968 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2020-11-22 13:04:57,969 INFO L270 CegarLoopResult]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2020-11-22 13:04:57,969 INFO L274 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-11-22 13:04:57,969 INFO L270 CegarLoopResult]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2020-11-22 13:04:57,969 INFO L274 CegarLoopResult]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2020-11-22 13:04:57,969 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-11-22 13:04:57,969 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:04:57,969 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:57,969 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)) [2020-11-22 13:04:57,969 INFO L274 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2020-11-22 13:04:57,969 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)) [2020-11-22 13:04:57,970 INFO L274 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-11-22 13:04:57,970 INFO L277 CegarLoopResult]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2020-11-22 13:04:57,970 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:04:57,970 INFO L274 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2020-11-22 13:04:57,970 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)) [2020-11-22 13:04:57,970 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2020-11-22 13:04:57,970 INFO L270 CegarLoopResult]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2020-11-22 13:04:57,970 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2020-11-22 13:04:57,970 INFO L270 CegarLoopResult]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2020-11-22 13:04:57,970 INFO L274 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-11-22 13:04:57,971 INFO L274 CegarLoopResult]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2020-11-22 13:04:57,971 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)) [2020-11-22 13:04:57,971 INFO L270 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2020-11-22 13:04:57,971 INFO L274 CegarLoopResult]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2020-11-22 13:04:57,971 INFO L270 CegarLoopResult]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2020-11-22 13:04:57,971 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:04:57,971 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:04:57,971 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:04:57,971 INFO L270 CegarLoopResult]: At program point L360(lines 313 361) the Hoare annotation is: false [2020-11-22 13:04:57,971 INFO L274 CegarLoopResult]: For program point L344(lines 344 355) no Hoare annotation was computed. [2020-11-22 13:04:57,972 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)) [2020-11-22 13:04:57,972 INFO L270 CegarLoopResult]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2020-11-22 13:04:57,972 INFO L270 CegarLoopResult]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2020-11-22 13:04:57,972 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:04:57,972 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)) [2020-11-22 13:04:57,972 INFO L270 CegarLoopResult]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2020-11-22 13:04:57,972 INFO L270 CegarLoopResult]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2020-11-22 13:04:57,972 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:57,972 INFO L274 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-11-22 13:04:57,972 INFO L274 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2020-11-22 13:04:57,972 INFO L274 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2020-11-22 13:04:57,973 INFO L274 CegarLoopResult]: For program point L315(lines 314 359) no Hoare annotation was computed. [2020-11-22 13:04:57,973 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)) [2020-11-22 13:04:57,973 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2020-11-22 13:04:57,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:57 BoogieIcfgContainer [2020-11-22 13:04:57,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:57,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:57,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:57,998 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:57,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:53" (3/4) ... [2020-11-22 13:04:58,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:04:58,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:04:58,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:04:58,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:04:58,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:04:58,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:04:58,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:58,030 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:58,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:04:58,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3d7f9f72-71ea-4c69-8ea7-ff8ba99992c5/bin/utaipan/witness.graphml [2020-11-22 13:04:58,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:58,120 INFO L168 Benchmark]: Toolchain (without parser) took 8155.49 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 40.3 MB in the beginning and 64.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,120 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:58,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.06 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 30.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.66 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 27.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,121 INFO L168 Benchmark]: Boogie Preprocessor took 78.42 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.7 MB in the beginning and 55.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,122 INFO L168 Benchmark]: RCFGBuilder took 2752.28 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 46.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,122 INFO L168 Benchmark]: TraceAbstraction took 4400.40 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 46.4 MB in the beginning and 33.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,122 INFO L168 Benchmark]: Witness Printer took 111.41 ms. Allocated memory is still 88.1 MB. Free memory was 33.9 MB in the beginning and 64.2 MB in the end (delta: -30.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.06 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 30.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.66 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 27.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.42 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.7 MB in the beginning and 55.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2752.28 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 46.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4400.40 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 46.4 MB in the beginning and 33.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 111.41 ms. Allocated memory is still 88.1 MB. Free memory was 33.9 MB in the beginning and 64.2 MB in the end (delta: -30.3 MB). Peak memory consumption was 2.4 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: 3.9s, 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s 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...