./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 .................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 11:26:20,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:20,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:20,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:20,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:20,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:20,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:20,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:20,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:20,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:20,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:20,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:20,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:20,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:20,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:20,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:20,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:20,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:20,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:20,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:20,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:20,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:20,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:20,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:20,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:20,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:20,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:20,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:20,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:20,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:20,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:20,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:20,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:20,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:20,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:20,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:20,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:20,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:20,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:20,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:20,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:20,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:20,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:20,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:20,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:20,852 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:20,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:20,852 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:20,852 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:20,853 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:20,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:20,853 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:20,853 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:20,853 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:20,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:20,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:20,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:20,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:20,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:20,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:20,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:20,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:20,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:20,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:20,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:20,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:20,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:20,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:20,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:20,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:20,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:20,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:20,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:20,857 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:20,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:20,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:20,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:20,858 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/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(__VERIFIER_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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2019-10-22 11:26:20,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:20,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:20,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:20,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:20,907 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:20,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_loose.c [2019-10-22 11:26:20,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/1af8851a6/1241f827f4b4436ca4db99260e47bcc9/FLAG17a7b2ea9 [2019-10-22 11:26:21,367 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:21,367 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/sv-benchmarks/c/float-benchs/cast_union_loose.c [2019-10-22 11:26:21,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/1af8851a6/1241f827f4b4436ca4db99260e47bcc9/FLAG17a7b2ea9 [2019-10-22 11:26:21,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/1af8851a6/1241f827f4b4436ca4db99260e47bcc9 [2019-10-22 11:26:21,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:21,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:21,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:21,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:21,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:21,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f66aeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21, skipping insertion in model container [2019-10-22 11:26:21,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:21,783 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:22,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:22,106 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:22,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:22,156 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:22,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22 WrapperNode [2019-10-22 11:26:22,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:22,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:22,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:22,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:22,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:22,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:22,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:22,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:22,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:22,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:22,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:22,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:22,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/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 [2019-10-22 11:26:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:26:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:26:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:26:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:22,561 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:22,562 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:26:22,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22 BoogieIcfgContainer [2019-10-22 11:26:22,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:22,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:22,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:22,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:22,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:21" (1/3) ... [2019-10-22 11:26:22,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55de9ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (2/3) ... [2019-10-22 11:26:22,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55de9ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22" (3/3) ... [2019-10-22 11:26:22,587 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_loose.c [2019-10-22 11:26:22,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:22,604 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:22,619 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:22,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:22,673 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:22,673 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:22,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:22,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:22,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:22,674 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:22,674 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-10-22 11:26:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:26:22,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:22,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:26:22,699 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:22,705 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-10-22 11:26:22,714 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:22,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386804400] [2019-10-22 11:26:22,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:22,867 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:22,868 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:22,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:22 BoogieIcfgContainer [2019-10-22 11:26:22,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:22,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:22,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:22,890 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:22,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22" (3/4) ... [2019-10-22 11:26:22,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:26:22,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:22,897 INFO L168 Benchmark]: Toolchain (without parser) took 1142.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:22,897 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:22,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:22,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:22,899 INFO L168 Benchmark]: Boogie Preprocessor took 32.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:22,900 INFO L168 Benchmark]: RCFGBuilder took 329.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:22,901 INFO L168 Benchmark]: TraceAbstraction took 324.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:22,901 INFO L168 Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:22,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 329.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 324.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 22, overapproximation of bitwiseXor at line 21. Possible FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; [L33] r = cast(a) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:25,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:25,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:25,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:25,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:25,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:25,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:25,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:25,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:25,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:25,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:25,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:25,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:25,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:25,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:25,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:25,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:25,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:25,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:25,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:25,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:25,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:25,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:25,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:25,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:25,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:25,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:25,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:25,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:25,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:25,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:25,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:25,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:25,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:25,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:25,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:25,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:25,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:25,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:25,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:25,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:25,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:25,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:25,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:25,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:25,252 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:25,252 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:25,252 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:25,252 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:25,253 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:25,253 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:25,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:25,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:25,254 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:25,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:25,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:25,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:25,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:25,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:25,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:25,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:25,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:25,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:25,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:25,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:25,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:25,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:25,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:25,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:25,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:25,258 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/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(__VERIFIER_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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2019-10-22 11:26:25,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:25,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:25,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:25,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:25,314 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:25,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_loose.c [2019-10-22 11:26:25,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/ab8f7bae6/f759022855cf4786b3c16910cefad705/FLAGadad50a0c [2019-10-22 11:26:25,777 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:25,778 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/sv-benchmarks/c/float-benchs/cast_union_loose.c [2019-10-22 11:26:25,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/ab8f7bae6/f759022855cf4786b3c16910cefad705/FLAGadad50a0c [2019-10-22 11:26:25,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/data/ab8f7bae6/f759022855cf4786b3c16910cefad705 [2019-10-22 11:26:25,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:25,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:25,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:25,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:25,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:25,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:25" (1/1) ... [2019-10-22 11:26:25,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b4998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:25, skipping insertion in model container [2019-10-22 11:26:25,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:25" (1/1) ... [2019-10-22 11:26:25,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:25,851 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:26,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:26,048 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:26,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:26,113 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:26,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26 WrapperNode [2019-10-22 11:26:26,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:26,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:26,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:26,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:26,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:26,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:26,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:26,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:26,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... [2019-10-22 11:26:26,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:26,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:26,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:26,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:26,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/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 [2019-10-22 11:26:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 11:26:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:26:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:26:26,625 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:26,626 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:26:26,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:26 BoogieIcfgContainer [2019-10-22 11:26:26,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:26,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:26,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:26,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:26,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:25" (1/3) ... [2019-10-22 11:26:26,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@976c523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:26, skipping insertion in model container [2019-10-22 11:26:26,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:26" (2/3) ... [2019-10-22 11:26:26,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@976c523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:26, skipping insertion in model container [2019-10-22 11:26:26,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:26" (3/3) ... [2019-10-22 11:26:26,634 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_loose.c [2019-10-22 11:26:26,647 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:26,658 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:26,671 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:26,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:26,698 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:26,698 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:26,698 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:26,698 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:26,699 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:26,699 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:26,699 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-10-22 11:26:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:26:26,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:26,715 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:26:26,717 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:26,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:26,721 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-10-22 11:26:26,728 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:26,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361048572] [2019-10-22 11:26:26,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/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 [2019-10-22 11:26:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:27,073 INFO L168 tionRefinementEngine]: Strategy WALRUS found a feasible trace [2019-10-22 11:26:27,073 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:27,274 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:26:27,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:27 BoogieIcfgContainer [2019-10-22 11:26:27,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:27,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:27,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:27,298 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:27,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:26" (3/4) ... [2019-10-22 11:26:27,300 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:26:27,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5eb9567e-576c-4a69-ab73-da4d7b7beb12/bin/utaipan/witness.graphml [2019-10-22 11:26:27,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:27,344 INFO L168 Benchmark]: Toolchain (without parser) took 1536.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:27,344 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:27,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 936.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:27,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -225.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:27,346 INFO L168 Benchmark]: Boogie Preprocessor took 28.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:27,347 INFO L168 Benchmark]: RCFGBuilder took 378.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:27,347 INFO L168 Benchmark]: TraceAbstraction took 669.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:27,348 INFO L168 Benchmark]: Witness Printer took 44.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:27,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 936.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -225.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 378.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 669.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; [L33] r = cast(a) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...