./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/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 f97ed213173bc84e00af4e856bb920ccfd15e1d4 ............................................................................................................................................ 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_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/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 f97ed213173bc84e00af4e856bb920ccfd15e1d4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:29,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:29,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:29,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:29,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:29,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:29,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:29,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:29,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:29,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:29,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:29,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:29,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:29,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:29,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:29,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:29,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:29,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:29,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:29,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:29,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:29,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:29,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:29,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:29,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:29,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:29,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:29,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:29,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:29,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:29,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:29,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:29,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:29,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:29,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:29,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:29,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:29,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:29,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:29,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:29,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:29,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:04:29,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:29,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:29,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:29,722 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:29,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:29,722 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:29,723 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:29,723 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:29,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:29,723 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:29,724 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:29,724 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:29,724 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:29,724 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:29,725 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:29,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:29,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:29,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:29,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:29,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:29,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:29,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:29,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:29,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:29,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:29,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:29,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:29,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:29,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:29,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:29,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:29,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:29,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:29,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:29,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:29,730 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:29,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:29,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:29,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:29,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:29,732 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_03aed458-504a-46dc-8416-83eca4e9b1dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ed213173bc84e00af4e856bb920ccfd15e1d4 [2020-11-22 13:04:29,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:29,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:29,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:29,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:29,997 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:29,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2020-11-22 13:04:30,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/f46460dab/deb7033b52b345c79f5c36264b61d4ce/FLAGd7dc08bba [2020-11-22 13:04:30,551 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:30,551 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2020-11-22 13:04:30,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/f46460dab/deb7033b52b345c79f5c36264b61d4ce/FLAGd7dc08bba [2020-11-22 13:04:30,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/f46460dab/deb7033b52b345c79f5c36264b61d4ce [2020-11-22 13:04:30,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:30,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:30,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:30,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:30,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:30,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:30" (1/1) ... [2020-11-22 13:04:30,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126880ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:30, skipping insertion in model container [2020-11-22 13:04:30,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:30" (1/1) ... [2020-11-22 13:04:30,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:30,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:31,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:31,256 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:04:31,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23c72d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31, skipping insertion in model container [2020-11-22 13:04:31,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:31,257 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:31,259 INFO L168 Benchmark]: Toolchain (without parser) took 356.69 ms. Allocated memory is still 115.3 MB. Free memory was 90.5 MB in the beginning and 89.5 MB in the end (delta: 982.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:31,260 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 115.3 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:31,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.46 ms. Allocated memory is still 115.3 MB. Free memory was 90.2 MB in the beginning and 89.5 MB in the end (delta: 684.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:31,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 115.3 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.46 ms. Allocated memory is still 115.3 MB. Free memory was 90.2 MB in the beginning and 89.5 MB in the end (delta: 684.1 kB). 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: 303]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:33,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:33,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:33,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:33,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:33,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:33,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:33,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:33,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:33,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:33,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:33,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:33,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:33,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:33,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:33,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:33,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:33,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:33,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:33,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:33,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:33,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:33,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:33,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:33,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:33,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:33,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:33,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:33,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:33,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:33,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:33,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:33,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:33,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:33,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:33,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:33,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:33,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:33,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:33,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:33,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:33,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:04:33,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:33,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:33,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:33,649 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:33,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:33,649 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:33,650 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:33,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:33,650 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:33,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:33,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:33,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:33,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:33,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:33,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:33,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:33,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:33,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:33,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:33,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:33,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:33,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:33,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:33,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:33,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:33,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:33,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:33,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:33,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:33,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:33,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:33,656 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:33,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:33,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:33,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:33,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:33,657 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_03aed458-504a-46dc-8416-83eca4e9b1dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ed213173bc84e00af4e856bb920ccfd15e1d4 [2020-11-22 13:04:34,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:34,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:34,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:34,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:34,053 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:34,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2020-11-22 13:04:34,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/9731718f1/f2102fba08cb49d2ad37d268d004e5ea/FLAG770519584 [2020-11-22 13:04:34,705 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:34,710 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2020-11-22 13:04:34,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/9731718f1/f2102fba08cb49d2ad37d268d004e5ea/FLAG770519584 [2020-11-22 13:04:34,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/data/9731718f1/f2102fba08cb49d2ad37d268d004e5ea [2020-11-22 13:04:34,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:34,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:34,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:34,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:34,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:34,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:34" (1/1) ... [2020-11-22 13:04:34,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598666d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:34, skipping insertion in model container [2020-11-22 13:04:34,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:34" (1/1) ... [2020-11-22 13:04:35,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:35,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:35,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:35,394 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:04:35,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:35,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:35,539 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:04:35,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:35,675 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:04:35,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35 WrapperNode [2020-11-22 13:04:35,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:35,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:35,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:04:35,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:04:35,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:35,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:04:35,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:04:35,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:04:35,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... [2020-11-22 13:04:35,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:04:35,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:04:35,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:04:35,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:04:35,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:04:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:04:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:04:35,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:38,293 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:38,293 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 13:04:38,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:38 BoogieIcfgContainer [2020-11-22 13:04:38,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:38,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:38,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:38,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:38,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:04:34" (1/3) ... [2020-11-22 13:04:38,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704c0e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:38, skipping insertion in model container [2020-11-22 13:04:38,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:35" (2/3) ... [2020-11-22 13:04:38,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704c0e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:38, skipping insertion in model container [2020-11-22 13:04:38,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:38" (3/3) ... [2020-11-22 13:04:38,312 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-11-22 13:04:38,325 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:38,330 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:04:38,341 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:38,377 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:38,377 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:38,377 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:38,378 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:38,378 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:38,378 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:38,378 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:38,378 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-22 13:04:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:04:38,396 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:38,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:38,397 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:38,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:38,402 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-11-22 13:04:38,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:38,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236145128] [2020-11-22 13:04:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:38,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:04:38,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:38,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:38,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236145128] [2020-11-22 13:04:38,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:38,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:38,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791849440] [2020-11-22 13:04:38,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:04:38,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:38,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:04:38,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:38,719 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-22 13:04:38,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:38,763 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-22 13:04:38,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:04:38,765 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:04:38,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:38,777 INFO L225 Difference]: With dead ends: 151 [2020-11-22 13:04:38,777 INFO L226 Difference]: Without dead ends: 73 [2020-11-22 13:04:38,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:38,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-22 13:04:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-22 13:04:38,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:04:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-22 13:04:38,834 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-22 13:04:38,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:38,834 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-22 13:04:38,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:04:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-22 13:04:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:04:38,836 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:38,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:39,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:04:39,054 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:39,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:39,057 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-11-22 13:04:39,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:39,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451725116] [2020-11-22 13:04:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:39,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:39,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:39,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:39,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:39,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451725116] [2020-11-22 13:04:39,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:39,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:39,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470430163] [2020-11-22 13:04:39,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:39,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:39,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:39,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:39,308 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2020-11-22 13:04:39,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:39,326 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-22 13:04:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:39,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:04:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:39,330 INFO L225 Difference]: With dead ends: 73 [2020-11-22 13:04:39,330 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:04:39,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:39,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:04:39,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:04:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:04:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 13:04:39,341 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-22 13:04:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:39,344 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 13:04:39,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 13:04:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:04:39,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:39,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:39,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:04:39,563 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:39,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:39,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-11-22 13:04:39,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:39,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981974409] [2020-11-22 13:04:39,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:39,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:39,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:39,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:39,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981974409] [2020-11-22 13:04:39,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:39,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:39,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659094190] [2020-11-22 13:04:39,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:39,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:39,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:39,771 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 13:04:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:39,816 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2020-11-22 13:04:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:04:39,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:04:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:39,818 INFO L225 Difference]: With dead ends: 116 [2020-11-22 13:04:39,818 INFO L226 Difference]: Without dead ends: 87 [2020-11-22 13:04:39,824 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 13:04:39,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-22 13:04:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2020-11-22 13:04:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-22 13:04:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-22 13:04:39,842 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-22 13:04:39,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:39,842 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-22 13:04:39,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-22 13:04:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:04:39,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:39,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:40,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:04:40,060 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:40,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:40,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-11-22 13:04:40,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:40,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110745936] [2020-11-22 13:04:40,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:40,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:40,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:40,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:40,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110745936] [2020-11-22 13:04:40,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:40,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:04:40,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137851234] [2020-11-22 13:04:40,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:04:40,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:40,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:04:40,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:40,315 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2020-11-22 13:04:40,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:40,699 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2020-11-22 13:04:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:04:40,700 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-22 13:04:40,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:40,706 INFO L225 Difference]: With dead ends: 373 [2020-11-22 13:04:40,706 INFO L226 Difference]: Without dead ends: 325 [2020-11-22 13:04:40,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:04:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-11-22 13:04:40,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2020-11-22 13:04:40,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-22 13:04:40,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-11-22 13:04:40,739 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2020-11-22 13:04:40,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:40,740 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-11-22 13:04:40,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:04:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-11-22 13:04:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:04:40,741 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:40,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:40,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:04:40,943 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:40,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:40,944 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2020-11-22 13:04:40,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:40,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213751704] [2020-11-22 13:04:40,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:41,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:41,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:41,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:41,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213751704] [2020-11-22 13:04:41,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:41,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:04:41,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313065861] [2020-11-22 13:04:41,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:41,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:41,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:41,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:41,164 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2020-11-22 13:04:42,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:42,467 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2020-11-22 13:04:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:42,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 13:04:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:42,469 INFO L225 Difference]: With dead ends: 354 [2020-11-22 13:04:42,469 INFO L226 Difference]: Without dead ends: 224 [2020-11-22 13:04:42,470 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 13:04:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-11-22 13:04:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2020-11-22 13:04:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-11-22 13:04:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2020-11-22 13:04:42,497 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2020-11-22 13:04:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:42,497 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2020-11-22 13:04:42,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2020-11-22 13:04:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:04:42,499 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:42,499 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 13:04:42,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:04:42,700 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:42,700 INFO L82 PathProgramCache]: Analyzing trace with hash -2101366400, now seen corresponding path program 1 times [2020-11-22 13:04:42,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:42,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408187034] [2020-11-22 13:04:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/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 13:04:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:42,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:42,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:42,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:42,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408187034] [2020-11-22 13:04:42,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:42,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:42,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022225778] [2020-11-22 13:04:42,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:42,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:42,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:42,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:42,962 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2020-11-22 13:04:42,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:42,989 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2020-11-22 13:04:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:42,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 13:04:42,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:42,991 INFO L225 Difference]: With dead ends: 331 [2020-11-22 13:04:42,991 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 13:04:42,992 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 13:04:42,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 13:04:43,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-22 13:04:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-22 13:04:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-11-22 13:04:43,009 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2020-11-22 13:04:43,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:43,010 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-11-22 13:04:43,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-11-22 13:04:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-22 13:04:43,015 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:43,016 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 13:04:43,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:04:43,229 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:43,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:43,230 INFO L82 PathProgramCache]: Analyzing trace with hash -296554801, now seen corresponding path program 1 times [2020-11-22 13:04:43,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:43,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579845917] [2020-11-22 13:04:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/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 13:04:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:43,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:04:43,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:43,440 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 13:04:43,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:43,474 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 13:04:43,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579845917] [2020-11-22 13:04:43,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1868904485] [2020-11-22 13:04:43,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/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 13:04:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:43,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:43,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:43,721 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 13:04:43,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:43,727 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 13:04:43,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:04:43,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:04:43,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603735457] [2020-11-22 13:04:43,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:43,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:43,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:43,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:04:43,729 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2020-11-22 13:04:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:43,841 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2020-11-22 13:04:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:04:43,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-22 13:04:43,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:43,842 INFO L225 Difference]: With dead ends: 235 [2020-11-22 13:04:43,842 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:04:43,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:04:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:04:43,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:04:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:04:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:04:43,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-22 13:04:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:43,844 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:04:43,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:04:43,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:04:44,250 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 13:04:44,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:04:44,660 INFO L270 CegarLoopResult]: At program point L828(lines 813 831) the Hoare annotation is: false [2020-11-22 13:04:44,660 INFO L270 CegarLoopResult]: At program point L828-1(lines 813 831) the Hoare annotation is: false [2020-11-22 13:04:44,660 INFO L270 CegarLoopResult]: At program point L828-2(lines 813 831) the Hoare annotation is: false [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:04:44,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:04:44,662 INFO L274 CegarLoopResult]: For program point L896(lines 896 911) no Hoare annotation was computed. [2020-11-22 13:04:44,662 INFO L277 CegarLoopResult]: At program point L270(lines 251 273) the Hoare annotation is: true [2020-11-22 13:04:44,662 INFO L270 CegarLoopResult]: At program point L237(lines 233 239) 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 13:04:44,662 INFO L270 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: false [2020-11-22 13:04:44,662 INFO L270 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2020-11-22 13:04:44,662 INFO L274 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-11-22 13:04:44,662 INFO L270 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2020-11-22 13:04:44,662 INFO L270 CegarLoopResult]: At program point L188-2(lines 188 202) the Hoare annotation is: false [2020-11-22 13:04:44,662 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-22 13:04:44,663 INFO L270 CegarLoopResult]: At program point L916(lines 865 917) the Hoare annotation is: false [2020-11-22 13:04:44,663 INFO L274 CegarLoopResult]: For program point L867(lines 866 915) no Hoare annotation was computed. [2020-11-22 13:04:44,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:04:44,663 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 13:04:44,663 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-11-22 13:04:44,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:44,663 INFO L274 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-11-22 13:04:44,663 INFO L274 CegarLoopResult]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2020-11-22 13:04:44,663 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L836(lines 836 842) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L270 CegarLoopResult]: At program point L836-1(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L192-1(lines 688 694) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L274 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-11-22 13:04:44,664 INFO L270 CegarLoopResult]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,665 INFO L270 CegarLoopResult]: At program point L688(lines 687 706) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2020-11-22 13:04:44,665 INFO L270 CegarLoopResult]: At program point L688-2(lines 687 706) the Hoare annotation is: false [2020-11-22 13:04:44,665 INFO L270 CegarLoopResult]: At program point L688-3(lines 687 706) the Hoare annotation is: false [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-11-22 13:04:44,665 INFO L270 CegarLoopResult]: At program point L904-1(lines 688 694) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point L822-2(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point L822-3(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:44,665 INFO L274 CegarLoopResult]: For program point L822-5(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:44,666 INFO L274 CegarLoopResult]: For program point L822-6(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:44,666 INFO L274 CegarLoopResult]: For program point L822-8(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:44,666 INFO L274 CegarLoopResult]: For program point L261(lines 261 268) no Hoare annotation was computed. [2020-11-22 13:04:44,666 INFO L270 CegarLoopResult]: At program point L773(lines 768 776) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,666 INFO L270 CegarLoopResult]: At program point L773-1(lines 768 776) the Hoare annotation is: false [2020-11-22 13:04:44,666 INFO L277 CegarLoopResult]: At program point L261-1(lines 261 268) the Hoare annotation is: true [2020-11-22 13:04:44,666 INFO L270 CegarLoopResult]: At program point L773-2(lines 768 776) the Hoare annotation is: false [2020-11-22 13:04:44,666 INFO L270 CegarLoopResult]: At program point L162(lines 157 165) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,666 INFO L270 CegarLoopResult]: At program point L162-1(lines 157 165) the Hoare annotation is: false [2020-11-22 13:04:44,667 INFO L270 CegarLoopResult]: At program point L162-2(lines 157 165) the Hoare annotation is: false [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2020-11-22 13:04:44,667 INFO L270 CegarLoopResult]: At program point L659-1(lines 1 923) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L659-2(lines 659 672) no Hoare annotation was computed. [2020-11-22 13:04:44,667 INFO L270 CegarLoopResult]: At program point L659-3(lines 1 923) the Hoare annotation is: false [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L659-4(lines 659 672) no Hoare annotation was computed. [2020-11-22 13:04:44,667 INFO L270 CegarLoopResult]: At program point L659-5(lines 1 923) the Hoare annotation is: false [2020-11-22 13:04:44,667 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:04:44,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:44,668 INFO L274 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-11-22 13:04:44,668 INFO L270 CegarLoopResult]: At program point L876-1(lines 876 882) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,668 INFO L274 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-11-22 13:04:44,668 INFO L274 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-11-22 13:04:44,668 INFO L270 CegarLoopResult]: At program point L67(lines 1 923) 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 13:04:44,668 INFO L274 CegarLoopResult]: For program point L645-2(line 645) no Hoare annotation was computed. [2020-11-22 13:04:44,668 INFO L270 CegarLoopResult]: At program point L695(lines 695 701) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:44,668 INFO L270 CegarLoopResult]: At program point L695-1(lines 695 701) the Hoare annotation is: false [2020-11-22 13:04:44,668 INFO L274 CegarLoopResult]: For program point L117(lines 117 121) no Hoare annotation was computed. [2020-11-22 13:04:44,669 INFO L270 CegarLoopResult]: At program point L695-2(lines 695 701) the Hoare annotation is: false [2020-11-22 13:04:44,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:44 BoogieIcfgContainer [2020-11-22 13:04:44,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:44,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:44,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:44,699 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:44,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:38" (3/4) ... [2020-11-22 13:04:44,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:04:44,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:04:44,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:04:44,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:04:44,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:04:44,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:04:44,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:44,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:44,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:04:44,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_03aed458-504a-46dc-8416-83eca4e9b1dd/bin/utaipan/witness.graphml [2020-11-22 13:04:44,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:44,819 INFO L168 Benchmark]: Toolchain (without parser) took 9830.47 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 35.1 MB in the beginning and 47.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,820 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.2 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:44,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.91 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.9 MB in the beginning and 49.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.62 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 46.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,821 INFO L168 Benchmark]: Boogie Preprocessor took 41.22 ms. Allocated memory is still 69.2 MB. Free memory was 46.6 MB in the beginning and 44.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,822 INFO L168 Benchmark]: RCFGBuilder took 2520.08 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 47.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,822 INFO L168 Benchmark]: TraceAbstraction took 6394.78 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 47.3 MB in the beginning and 54.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,823 INFO L168 Benchmark]: Witness Printer took 119.08 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 47.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.2 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 686.91 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.9 MB in the beginning and 49.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.62 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 46.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.22 ms. Allocated memory is still 69.2 MB. Free memory was 46.6 MB in the beginning and 44.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2520.08 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 47.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6394.78 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 47.3 MB in the beginning and 54.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Witness Printer took 119.08 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 47.7 MB in the end (delta: 7.0 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: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 813]: 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: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: 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: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 716 SDslu, 610 SDs, 0 SdLazy, 129 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred 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, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 24284 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...