./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 caf966c06e7a2ed1fef83368f628eae41da528db ............................................................................................................................................ 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_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 caf966c06e7a2ed1fef83368f628eae41da528db ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:08:52,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:52,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:52,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:52,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:52,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:52,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:52,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:52,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:52,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:52,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:52,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:52,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:52,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:52,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:52,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:52,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:52,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:52,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:52,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:52,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:52,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:52,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:52,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:52,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:52,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:52,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:52,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:52,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:52,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:52,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:52,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:52,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:52,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:52,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:52,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:52,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:52,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:52,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:52,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:52,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:52,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:08:52,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:52,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:52,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:52,571 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:52,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:52,571 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:52,572 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:08:52,572 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:52,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:52,572 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:08:52,573 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:08:52,573 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:52,574 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:08:52,574 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:08:52,574 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:08:52,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:52,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:52,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:08:52,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:52,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:52,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:52,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:52,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:52,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:52,577 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:52,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:52,577 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:52,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:52,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:52,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:52,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:52,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:52,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:52,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:52,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:52,581 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:08:52,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:08:52,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:52,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:52,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:52,582 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_68711c6c-123e-4d45-9c83-b51f2f6951ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2020-11-22 13:08:52,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:52,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:52,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:52,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:52,913 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:52,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-22 13:08:53,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/81e679d54/94bfd7d074d941b5ae21a7551c1f3ff9/FLAGd18bfd5ac [2020-11-22 13:08:53,542 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:53,543 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-22 13:08:53,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/81e679d54/94bfd7d074d941b5ae21a7551c1f3ff9/FLAGd18bfd5ac [2020-11-22 13:08:53,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/81e679d54/94bfd7d074d941b5ae21a7551c1f3ff9 [2020-11-22 13:08:53,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:53,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:53,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:53,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:53,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:53,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:53" (1/1) ... [2020-11-22 13:08:53,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6844e599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:53, skipping insertion in model container [2020-11-22 13:08:53,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:53" (1/1) ... [2020-11-22 13:08:53,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:53,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:54,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:54,257 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 13:08:54,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26e4225e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:54, skipping insertion in model container [2020-11-22 13:08:54,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:54,262 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:08:54,265 INFO L168 Benchmark]: Toolchain (without parser) took 436.09 ms. Allocated memory is still 107.0 MB. Free memory was 70.0 MB in the beginning and 80.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:54,267 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 79.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:54,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.74 ms. Allocated memory is still 107.0 MB. Free memory was 69.9 MB in the beginning and 80.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:54,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 79.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.74 ms. Allocated memory is still 107.0 MB. Free memory was 69.9 MB in the beginning and 80.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 108]: 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 13:08:56,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:56,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:56,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:56,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:56,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:56,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:56,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:56,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:56,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:56,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:56,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:56,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:56,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:56,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:56,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:56,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:56,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:56,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:56,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:56,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:56,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:56,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:56,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:56,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:56,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:56,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:56,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:56,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:56,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:56,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:56,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:56,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:56,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:56,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:56,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:56,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:56,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:56,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:56,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:56,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:56,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:08:56,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:56,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:56,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:56,645 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:56,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:56,645 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:56,645 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:56,646 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:56,646 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:56,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:56,647 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:56,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:56,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:56,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:56,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:56,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:56,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:56,649 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:08:56,649 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:08:56,649 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:56,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:56,649 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:56,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:56,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:56,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:08:56,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:56,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:56,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:56,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:56,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:56,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:56,652 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:08:56,652 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:08:56,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:56,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:56,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:56,653 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_68711c6c-123e-4d45-9c83-b51f2f6951ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2020-11-22 13:08:57,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:57,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:57,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:57,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:57,078 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:57,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-22 13:08:57,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/c15003676/97b9b82e56cb4dfea0336d00d49f7b38/FLAGc21ba08b0 [2020-11-22 13:08:57,737 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:57,737 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-22 13:08:57,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/c15003676/97b9b82e56cb4dfea0336d00d49f7b38/FLAGc21ba08b0 [2020-11-22 13:08:58,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/data/c15003676/97b9b82e56cb4dfea0336d00d49f7b38 [2020-11-22 13:08:58,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:58,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:58,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:58,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:58,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:58,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbc56e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58, skipping insertion in model container [2020-11-22 13:08:58,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:58,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:58,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:58,404 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:08:58,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:58,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:58,588 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:58,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:58,733 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:58,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58 WrapperNode [2020-11-22 13:08:58,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:58,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:58,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:58,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:58,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:58,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:58,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:58,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:58,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... [2020-11-22 13:08:58,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:58,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:58,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:58,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:58,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 13:08:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:08:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:09:01,023 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:09:01,023 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 13:09:01,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:09:01 BoogieIcfgContainer [2020-11-22 13:09:01,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:09:01,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:09:01,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:09:01,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:09:01,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:58" (1/3) ... [2020-11-22 13:09:01,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b819192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:09:01, skipping insertion in model container [2020-11-22 13:09:01,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (2/3) ... [2020-11-22 13:09:01,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b819192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:09:01, skipping insertion in model container [2020-11-22 13:09:01,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:09:01" (3/3) ... [2020-11-22 13:09:01,038 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-11-22 13:09:01,053 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:09:01,057 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:09:01,069 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:09:01,106 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:09:01,107 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:09:01,107 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:09:01,107 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:09:01,107 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:09:01,107 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:09:01,107 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:09:01,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:09:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-22 13:09:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:09:01,132 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:01,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:09:01,134 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:01,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:01,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-11-22 13:09:01,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:01,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586308151] [2020-11-22 13:09:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 13:09:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:01,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:09:01,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:01,430 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 13:09:01,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:01,441 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 13:09:01,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586308151] [2020-11-22 13:09:01,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:09:01,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:09:01,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171267783] [2020-11-22 13:09:01,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:09:01,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:01,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:09:01,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:09:01,466 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-22 13:09:01,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:01,498 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-22 13:09:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:09:01,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:09:01,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:01,510 INFO L225 Difference]: With dead ends: 139 [2020-11-22 13:09:01,510 INFO L226 Difference]: Without dead ends: 67 [2020-11-22 13:09:01,513 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 13:09:01,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-22 13:09:01,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-22 13:09:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 13:09:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-22 13:09:01,551 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-22 13:09:01,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:01,552 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-22 13:09:01,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:09:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-22 13:09:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:09:01,553 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:01,554 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 13:09:01,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:09:01,755 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:01,755 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-11-22 13:09:01,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:01,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394050721] [2020-11-22 13:09:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 13:09:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:01,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:09:01,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:01,970 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 13:09:01,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:01,984 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 13:09:01,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394050721] [2020-11-22 13:09:01,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:09:01,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:09:01,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595419521] [2020-11-22 13:09:01,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:09:01,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:01,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:09:01,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:09:01,990 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2020-11-22 13:09:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:02,013 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-22 13:09:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:09:02,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:09:02,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:02,017 INFO L225 Difference]: With dead ends: 67 [2020-11-22 13:09:02,018 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:09:02,020 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 13:09:02,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:09:02,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:09:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:09:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 13:09:02,030 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 13:09:02,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:02,032 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 13:09:02,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:09:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 13:09:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:09:02,034 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:02,034 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 13:09:02,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:09:02,254 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-11-22 13:09:02,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:02,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520940274] [2020-11-22 13:09:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 13:09:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:02,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:09:02,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:02,475 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 13:09:02,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:02,486 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 13:09:02,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520940274] [2020-11-22 13:09:02,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:09:02,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:09:02,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773340228] [2020-11-22 13:09:02,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:09:02,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:02,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:09:02,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:09:02,489 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 13:09:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:02,537 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-11-22 13:09:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:09:02,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:09:02,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:02,540 INFO L225 Difference]: With dead ends: 110 [2020-11-22 13:09:02,540 INFO L226 Difference]: Without dead ends: 83 [2020-11-22 13:09:02,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 13:09:02,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-22 13:09:02,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-11-22 13:09:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 13:09:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-22 13:09:02,563 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-22 13:09:02,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:02,563 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-22 13:09:02,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:09:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-22 13:09:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:09:02,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:02,565 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 13:09:02,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:09:02,778 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:02,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:02,779 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-11-22 13:09:02,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:02,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633688055] [2020-11-22 13:09:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 13:09:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:02,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:09:02,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:03,012 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 13:09:03,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:03,059 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 13:09:03,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633688055] [2020-11-22 13:09:03,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:09:03,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:09:03,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140693342] [2020-11-22 13:09:03,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:09:03,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:03,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:09:03,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:09:03,061 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2020-11-22 13:09:03,339 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-22 13:09:03,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:03,561 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2020-11-22 13:09:03,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:09:03,562 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-22 13:09:03,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:03,566 INFO L225 Difference]: With dead ends: 351 [2020-11-22 13:09:03,569 INFO L226 Difference]: Without dead ends: 305 [2020-11-22 13:09:03,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:09:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-22 13:09:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2020-11-22 13:09:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-22 13:09:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2020-11-22 13:09:03,622 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2020-11-22 13:09:03,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:03,622 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2020-11-22 13:09:03,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:09:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2020-11-22 13:09:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:09:03,623 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:03,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:09:03,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:09:03,824 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:03,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2020-11-22 13:09:03,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:03,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087817370] [2020-11-22 13:09:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/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 13:09:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:04,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:09:04,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:04,027 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 13:09:04,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:04,030 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 13:09:04,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087817370] [2020-11-22 13:09:04,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:09:04,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:09:04,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846082771] [2020-11-22 13:09:04,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:09:04,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:04,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:09:04,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:09:04,033 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2020-11-22 13:09:05,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:05,502 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2020-11-22 13:09:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:09:05,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 13:09:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:05,504 INFO L225 Difference]: With dead ends: 342 [2020-11-22 13:09:05,504 INFO L226 Difference]: Without dead ends: 218 [2020-11-22 13:09:05,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 13:09:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-22 13:09:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2020-11-22 13:09:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-22 13:09:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2020-11-22 13:09:05,557 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2020-11-22 13:09:05,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:05,558 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2020-11-22 13:09:05,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:09:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2020-11-22 13:09:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:09:05,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:05,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:09:05,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:09:05,786 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:05,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:05,786 INFO L82 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2020-11-22 13:09:05,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:05,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122248615] [2020-11-22 13:09:05,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:09:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:05,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:09:05,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:05,981 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 13:09:05,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:05,985 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 13:09:05,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122248615] [2020-11-22 13:09:05,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:09:05,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:09:05,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101517244] [2020-11-22 13:09:05,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:09:05,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:09:05,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:09:05,994 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand 3 states. [2020-11-22 13:09:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:06,025 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2020-11-22 13:09:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:09:06,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 13:09:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:06,027 INFO L225 Difference]: With dead ends: 325 [2020-11-22 13:09:06,027 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 13:09:06,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:09:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 13:09:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-22 13:09:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-22 13:09:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-11-22 13:09:06,050 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2020-11-22 13:09:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:06,050 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-11-22 13:09:06,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:09:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-11-22 13:09:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-22 13:09:06,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:09:06,054 INFO L422 BasicCegarLoop]: trace histogram [2, 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 13:09:06,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:09:06,270 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:09:06,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:09:06,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1958943656, now seen corresponding path program 1 times [2020-11-22 13:09:06,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:09:06,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818112200] [2020-11-22 13:09:06,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:09:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:06,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:09:06,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:09:06,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:09:06,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818112200] [2020-11-22 13:09:06,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1944711095] [2020-11-22 13:09:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:09:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:09:06,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:09:06,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:09:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 13:09:06,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:09:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 13:09:06,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:09:06,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 3] total 10 [2020-11-22 13:09:06,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017799728] [2020-11-22 13:09:06,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:09:06,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:09:06,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:09:06,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:09:06,868 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2020-11-22 13:09:06,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:09:06,992 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2020-11-22 13:09:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:09:06,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-22 13:09:06,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:09:06,994 INFO L225 Difference]: With dead ends: 235 [2020-11-22 13:09:06,994 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:09:06,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-22 13:09:06,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:09:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:09:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:09:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:09:06,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-22 13:09:06,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:09:06,995 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:09:06,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:09:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:09:06,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:09:07,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-11-22 13:09:07,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:09:07,861 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:09:07,861 INFO L270 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2020-11-22 13:09:07,862 INFO L270 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2020-11-22 13:09:07,862 INFO L270 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point L548-1(lines 653 659) no Hoare annotation was computed. [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:09:07,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:09:07,863 INFO L274 CegarLoopResult]: For program point L831(lines 831 837) no Hoare annotation was computed. [2020-11-22 13:09:07,863 INFO L274 CegarLoopResult]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2020-11-22 13:09:07,863 INFO L274 CegarLoopResult]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2020-11-22 13:09:07,863 INFO L274 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-11-22 13:09:07,863 INFO L277 CegarLoopResult]: At program point L617-1(lines 617 624) the Hoare annotation is: true [2020-11-22 13:09:07,863 INFO L274 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-11-22 13:09:07,863 INFO L270 CegarLoopResult]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,863 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L270 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L635-2(line 635) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L685(lines 685 702) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L685-1(lines 685 702) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point L685-2(lines 685 702) no Hoare annotation was computed. [2020-11-22 13:09:07,864 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:09:07,865 INFO L270 CegarLoopResult]: At program point L653(lines 652 671) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,865 INFO L274 CegarLoopResult]: For program point L653-1(lines 653 659) no Hoare annotation was computed. [2020-11-22 13:09:07,865 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:09:07,865 INFO L270 CegarLoopResult]: At program point L653-2(lines 652 671) the Hoare annotation is: false [2020-11-22 13:09:07,865 INFO L270 CegarLoopResult]: At program point L653-3(lines 652 671) the Hoare annotation is: false [2020-11-22 13:09:07,865 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:09:07,865 INFO L274 CegarLoopResult]: For program point L885(lines 885 900) no Hoare annotation was computed. [2020-11-22 13:09:07,866 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:09:07,866 INFO L270 CegarLoopResult]: At program point L755(lines 750 758) 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 13:09:07,866 INFO L270 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2020-11-22 13:09:07,866 INFO L274 CegarLoopResult]: For program point L689(lines 689 697) no Hoare annotation was computed. [2020-11-22 13:09:07,866 INFO L270 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2020-11-22 13:09:07,866 INFO L274 CegarLoopResult]: For program point L689-1(lines 689 697) no Hoare annotation was computed. [2020-11-22 13:09:07,866 INFO L274 CegarLoopResult]: For program point L689-2(lines 689 697) no Hoare annotation was computed. [2020-11-22 13:09:07,866 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-22 13:09:07,866 INFO L274 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2020-11-22 13:09:07,867 INFO L274 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2020-11-22 13:09:07,867 INFO L270 CegarLoopResult]: At program point L905(lines 854 906) the Hoare annotation is: false [2020-11-22 13:09:07,867 INFO L274 CegarLoopResult]: For program point L856(lines 855 904) no Hoare annotation was computed. [2020-11-22 13:09:07,867 INFO L274 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-11-22 13:09:07,867 INFO L277 CegarLoopResult]: At program point L626(lines 607 629) the Hoare annotation is: true [2020-11-22 13:09:07,867 INFO L270 CegarLoopResult]: At program point L593(lines 589 595) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:09:07,867 INFO L270 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,867 INFO L270 CegarLoopResult]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2020-11-22 13:09:07,868 INFO L270 CegarLoopResult]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2020-11-22 13:09:07,868 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:09:07,868 INFO L270 CegarLoopResult]: At program point L544-2(lines 544 558) the Hoare annotation is: false [2020-11-22 13:09:07,868 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:09:07,868 INFO L270 CegarLoopResult]: At program point L660(lines 660 666) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,868 INFO L270 CegarLoopResult]: At program point L660-1(lines 660 666) the Hoare annotation is: false [2020-11-22 13:09:07,868 INFO L270 CegarLoopResult]: At program point L660-2(lines 660 666) the Hoare annotation is: false [2020-11-22 13:09:07,868 INFO L270 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: false [2020-11-22 13:09:07,869 INFO L270 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2020-11-22 13:09:07,869 INFO L270 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2020-11-22 13:09:07,869 INFO L274 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-11-22 13:09:07,869 INFO L270 CegarLoopResult]: At program point L875-1(lines 875 881) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,869 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-22 13:09:07,869 INFO L270 CegarLoopResult]: At program point L67(lines 1 912) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:09:07,869 INFO L274 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-11-22 13:09:07,869 INFO L270 CegarLoopResult]: At program point L893-1(lines 653 659) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,870 INFO L274 CegarLoopResult]: For program point L827(lines 827 840) no Hoare annotation was computed. [2020-11-22 13:09:07,870 INFO L270 CegarLoopResult]: At program point L827-1(lines 1 912) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:09:07,870 INFO L274 CegarLoopResult]: For program point L827-2(lines 827 840) no Hoare annotation was computed. [2020-11-22 13:09:07,870 INFO L270 CegarLoopResult]: At program point L827-3(lines 1 912) the Hoare annotation is: false [2020-11-22 13:09:07,870 INFO L274 CegarLoopResult]: For program point L827-4(lines 827 840) no Hoare annotation was computed. [2020-11-22 13:09:07,870 INFO L270 CegarLoopResult]: At program point L827-5(lines 1 912) the Hoare annotation is: false [2020-11-22 13:09:07,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:09:07 BoogieIcfgContainer [2020-11-22 13:09:07,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:09:07,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:09:07,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:09:07,911 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:09:07,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:09:01" (3/4) ... [2020-11-22 13:09:07,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:09:07,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:09:07,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:09:07,942 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:09:07,942 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:09:07,943 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:09:07,944 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:09:07,944 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:09:07,978 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:09:08,042 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_68711c6c-123e-4d45-9c83-b51f2f6951ef/bin/utaipan/witness.graphml [2020-11-22 13:09:08,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:09:08,044 INFO L168 Benchmark]: Toolchain (without parser) took 10005.99 ms. Allocated memory was 54.5 MB in the beginning and 104.9 MB in the end (delta: 50.3 MB). Free memory was 31.6 MB in the beginning and 60.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,044 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 37.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:09:08,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.80 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.4 MB in the beginning and 43.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.36 ms. Allocated memory is still 71.3 MB. Free memory was 43.6 MB in the beginning and 40.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,045 INFO L168 Benchmark]: Boogie Preprocessor took 36.11 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 38.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,046 INFO L168 Benchmark]: RCFGBuilder took 2152.23 ms. Allocated memory is still 71.3 MB. Free memory was 38.4 MB in the beginning and 48.8 MB in the end (delta: -10.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,046 INFO L168 Benchmark]: TraceAbstraction took 6880.93 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 48.3 MB in the beginning and 66.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,047 INFO L168 Benchmark]: Witness Printer took 131.75 ms. Allocated memory is still 104.9 MB. Free memory was 66.9 MB in the beginning and 60.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:08,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 37.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 694.80 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.4 MB in the beginning and 43.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.36 ms. Allocated memory is still 71.3 MB. Free memory was 43.6 MB in the beginning and 40.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.11 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 38.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2152.23 ms. Allocated memory is still 71.3 MB. Free memory was 38.4 MB in the beginning and 48.8 MB in the end (delta: -10.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6880.93 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 48.3 MB in the beginning and 66.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. * Witness Printer took 131.75 ms. Allocated memory is still 104.9 MB. Free memory was 66.9 MB in the beginning and 60.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 665 SDslu, 547 SDs, 0 SdLazy, 111 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 1 QuantifiedInterpolants, 24474 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...