./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-009.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-009.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw --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 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:27:04,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:27:04,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:27:04,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:27:04,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:27:04,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:27:04,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:27:04,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:27:04,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:27:04,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:27:04,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:27:04,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:27:04,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:27:04,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:27:04,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:27:04,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:27:04,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:27:04,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:27:04,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:27:04,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:27:04,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:27:04,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:27:04,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:27:04,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:27:04,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:27:04,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:27:04,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:27:04,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:27:04,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:27:04,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:27:04,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:27:04,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:27:04,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:27:04,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:27:04,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:27:04,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:27:04,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:27:04,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:27:04,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:27:04,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:27:04,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:27:04,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:27:04,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:27:04,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:27:04,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:27:04,851 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:27:04,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:27:04,851 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:27:04,851 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:27:04,852 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:27:04,852 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:27:04,852 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:27:04,861 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:27:04,861 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:27:04,862 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:27:04,862 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:27:04,862 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:27:04,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:27:04,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:27:04,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:27:04,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:27:04,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:27:04,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:27:04,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:27:04,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:27:04,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:27:04,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:27:04,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:27:04,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:27:04,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:27:04,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:27:04,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:27:04,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:27:04,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:27:04,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:27:04,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:27:04,871 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:27:04,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:27:04,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:27:04,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:27:04,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:27:04,872 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_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2021-10-20 05:27:05,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:27:05,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:27:05,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:27:05,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:27:05,308 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:27:05,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/xcsp/AllInterval-009.c [2021-10-20 05:27:05,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/data/f14bb47ba/56a04d5639b542718a6e631d91f2ec88/FLAGfcb46090c [2021-10-20 05:27:05,928 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:27:05,928 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/sv-benchmarks/c/xcsp/AllInterval-009.c [2021-10-20 05:27:05,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/data/f14bb47ba/56a04d5639b542718a6e631d91f2ec88/FLAGfcb46090c [2021-10-20 05:27:06,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/data/f14bb47ba/56a04d5639b542718a6e631d91f2ec88 [2021-10-20 05:27:06,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:27:06,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:27:06,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:27:06,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:27:06,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:27:06,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d17946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06, skipping insertion in model container [2021-10-20 05:27:06,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:27:06,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:27:06,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/sv-benchmarks/c/xcsp/AllInterval-009.c[5030,5043] [2021-10-20 05:27:06,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:27:06,598 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:27:06,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/sv-benchmarks/c/xcsp/AllInterval-009.c[5030,5043] [2021-10-20 05:27:06,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:27:06,676 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:27:06,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06 WrapperNode [2021-10-20 05:27:06,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:27:06,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:27:06,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:27:06,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:27:06,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:27:06,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:27:06,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:27:06,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:27:06,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:27:06,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:27:06,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:27:06,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:27:06,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (1/1) ... [2021-10-20 05:27:06,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:27:06,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:27:06,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:27:06,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:27:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:27:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:27:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:27:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:27:11,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:27:11,357 INFO L299 CfgBuilder]: Removed 216 assume(true) statements. [2021-10-20 05:27:11,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:27:11 BoogieIcfgContainer [2021-10-20 05:27:11,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:27:11,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:27:11,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:27:11,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:27:11,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:27:06" (1/3) ... [2021-10-20 05:27:11,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f78d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:27:11, skipping insertion in model container [2021-10-20 05:27:11,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:27:06" (2/3) ... [2021-10-20 05:27:11,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f78d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:27:11, skipping insertion in model container [2021-10-20 05:27:11,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:27:11" (3/3) ... [2021-10-20 05:27:11,372 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2021-10-20 05:27:11,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:27:11,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:27:11,467 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:27:11,482 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:27:11,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:27:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:27:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-20 05:27:11,506 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:27:11,507 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-20 05:27:11,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:27:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:27:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash 37349, now seen corresponding path program 1 times [2021-10-20 05:27:11,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:27:11,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902175462] [2021-10-20 05:27:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:27:11,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:27:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:27:26,280 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 05:27:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:27:35,423 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-20 05:27:35,425 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 05:27:35,426 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:27:35,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 05:27:35,436 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:27:35,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:27:35 BoogieIcfgContainer [2021-10-20 05:27:35,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:27:35,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:27:35,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:27:35,490 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:27:35,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:27:11" (3/4) ... [2021-10-20 05:27:35,492 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-20 05:27:35,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:27:35,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:27:35,562 INFO L168 Benchmark]: Toolchain (without parser) took 29299.20 ms. Allocated memory was 121.6 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 84.1 MB in the beginning and 953.6 MB in the end (delta: -869.5 MB). Peak memory consumption was 449.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,562 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 94.3 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:27:35,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.83 ms. Allocated memory is still 121.6 MB. Free memory was 83.8 MB in the beginning and 92.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.20 ms. Allocated memory is still 121.6 MB. Free memory was 92.2 MB in the beginning and 88.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,564 INFO L168 Benchmark]: Boogie Preprocessor took 60.08 ms. Allocated memory is still 121.6 MB. Free memory was 88.0 MB in the beginning and 85.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,565 INFO L168 Benchmark]: RCFGBuilder took 4514.44 ms. Allocated memory was 121.6 MB in the beginning and 157.3 MB in the end (delta: 35.7 MB). Free memory was 85.2 MB in the beginning and 119.8 MB in the end (delta: -34.5 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,565 INFO L168 Benchmark]: TraceAbstraction took 24127.79 ms. Allocated memory was 157.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 119.8 MB in the beginning and 956.7 MB in the end (delta: -836.9 MB). Peak memory consumption was 872.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,566 INFO L168 Benchmark]: Witness Printer took 70.72 ms. Allocated memory is still 1.4 GB. Free memory was 956.7 MB in the beginning and 953.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:27:35,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 94.3 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.83 ms. Allocated memory is still 121.6 MB. Free memory was 83.8 MB in the beginning and 92.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.20 ms. Allocated memory is still 121.6 MB. Free memory was 92.2 MB in the beginning and 88.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.08 ms. Allocated memory is still 121.6 MB. Free memory was 88.0 MB in the beginning and 85.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4514.44 ms. Allocated memory was 121.6 MB in the beginning and 157.3 MB in the end (delta: 35.7 MB). Free memory was 85.2 MB in the beginning and 119.8 MB in the end (delta: -34.5 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24127.79 ms. Allocated memory was 157.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 119.8 MB in the beginning and 956.7 MB in the end (delta: -836.9 MB). Peak memory consumption was 872.2 MB. Max. memory is 16.1 GB. * Witness Printer took 70.72 ms. Allocated memory is still 1.4 GB. Free memory was 956.7 MB in the beginning and 953.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 185]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L160] int var_for_abs; [L161] var_for_abs = var0 - var1 [L162] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L162] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L164] var_for_abs = var1 - var2 [L165] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L165] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L167] var_for_abs = var2 - var3 [L168] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L168] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L170] var_for_abs = var3 - var4 [L171] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L171] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L173] var_for_abs = var4 - var5 [L174] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L174] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L176] var_for_abs = var5 - var6 [L177] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L177] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L179] var_for_abs = var6 - var7 [L180] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L180] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L182] var_for_abs = var7 - var8 [L183] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L183] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L185] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23969.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.1ms SsaConstructionTime, 14658.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-20 05:27:35,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92c2e30-15d0-427c-8c33-8917fc863998/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...