./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc0a2ba7c478f7aa42412993fd58e9bd96a2d03f ................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc0a2ba7c478f7aa42412993fd58e9bd96a2d03f ................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 07:27:54,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:54,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:54,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:54,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:54,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:54,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:54,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:54,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:54,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:54,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:54,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:54,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:54,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:54,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:54,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:54,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:54,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:54,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:54,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:27:54,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:27:54,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:27:54,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:27:54,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:27:54,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:27:54,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:27:54,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:27:54,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:27:54,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:27:54,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:27:54,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:27:54,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:27:54,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:27:54,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:27:54,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:27:54,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:27:54,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:27:54,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:27:54,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:27:54,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:27:54,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:27:54,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:27:54,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:27:54,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:27:54,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:27:54,557 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:27:54,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:27:54,558 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:27:54,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:27:54,558 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:27:54,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:27:54,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:27:54,560 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:27:54,560 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:27:54,560 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:27:54,561 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:27:54,561 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:27:54,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:27:54,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:27:54,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:27:54,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:27:54,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:27:54,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:27:54,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:27:54,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:27:54,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:27:54,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:27:54,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:27:54,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:27:54,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:27:54,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:27:54,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:27:54,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:27:54,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:54,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:27:54,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:27:54,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:27:54,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:27:54,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:27:54,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:27:54,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:27:54,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:27:54,569 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0a2ba7c478f7aa42412993fd58e9bd96a2d03f [2020-11-28 07:27:54,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:27:54,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:27:54,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:27:54,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:27:54,844 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:27:54,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2020-11-28 07:27:54,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/da64f1443/4514fd6751584d77aaf030c80d7c2e30/FLAGec741c4ad [2020-11-28 07:27:55,347 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:27:55,348 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2020-11-28 07:27:55,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/da64f1443/4514fd6751584d77aaf030c80d7c2e30/FLAGec741c4ad [2020-11-28 07:27:55,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/da64f1443/4514fd6751584d77aaf030c80d7c2e30 [2020-11-28 07:27:55,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:27:55,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:27:55,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:55,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:27:55,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:27:55,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:55" (1/1) ... [2020-11-28 07:27:55,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e2c6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:55, skipping insertion in model container [2020-11-28 07:27:55,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:55" (1/1) ... [2020-11-28 07:27:55,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:27:55,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:27:55,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:27:56,002 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:27:56,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:27:56,044 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:27:56,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56 WrapperNode [2020-11-28 07:27:56,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:56,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:27:56,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:27:56,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:27:56,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:27:56,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:27:56,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:27:56,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:27:56,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... [2020-11-28 07:27:56,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:27:56,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:27:56,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:27:56,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:27:56,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:27:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:27:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:27:56,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:27:56,808 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 07:27:56,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:27:56 BoogieIcfgContainer [2020-11-28 07:27:56,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:27:56,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:27:56,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:27:56,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:27:56,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:27:55" (1/3) ... [2020-11-28 07:27:56,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102af8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:27:56, skipping insertion in model container [2020-11-28 07:27:56,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:56" (2/3) ... [2020-11-28 07:27:56,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102af8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:27:56, skipping insertion in model container [2020-11-28 07:27:56,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:27:56" (3/3) ... [2020-11-28 07:27:56,824 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032c.c [2020-11-28 07:27:56,838 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:27:56,843 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:27:56,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:27:56,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:27:56,886 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:27:56,886 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:27:56,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:27:56,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:27:56,887 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:27:56,887 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:27:56,887 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:27:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-28 07:27:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:27:56,913 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:56,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:56,914 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:56,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:56,921 INFO L82 PathProgramCache]: Analyzing trace with hash 488328523, now seen corresponding path program 1 times [2020-11-28 07:27:56,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:56,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156150867] [2020-11-28 07:27:56,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:57,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156150867] [2020-11-28 07:27:57,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:57,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:27:57,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273446370] [2020-11-28 07:27:57,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:27:57,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:57,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:27:57,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:27:57,108 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-28 07:27:57,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:57,128 INFO L93 Difference]: Finished difference Result 41 states and 63 transitions. [2020-11-28 07:27:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:27:57,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 07:27:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:57,138 INFO L225 Difference]: With dead ends: 41 [2020-11-28 07:27:57,138 INFO L226 Difference]: Without dead ends: 19 [2020-11-28 07:27:57,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:27:57,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-28 07:27:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-28 07:27:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-28 07:27:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-11-28 07:27:57,172 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 10 [2020-11-28 07:27:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:57,172 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-11-28 07:27:57,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:27:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-11-28 07:27:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 07:27:57,173 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:57,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:57,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:27:57,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1034469516, now seen corresponding path program 1 times [2020-11-28 07:27:57,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961920795] [2020-11-28 07:27:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:27:57,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:27:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:27:57,394 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:27:57,418 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:27:57,419 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:27:57,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:27:57,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:27:57 BoogieIcfgContainer [2020-11-28 07:27:57,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:27:57,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:27:57,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:27:57,450 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:27:57,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:27:56" (3/4) ... [2020-11-28 07:27:57,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:27:57,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:27:57,459 INFO L168 Benchmark]: Toolchain (without parser) took 1694.56 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 75.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 336.2 kB. Max. memory is 16.1 GB. [2020-11-28 07:27:57,460 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:57,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.91 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 57.1 MB in the beginning and 83.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:57,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.26 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 80.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:57,463 INFO L168 Benchmark]: Boogie Preprocessor took 35.73 ms. Allocated memory is still 107.0 MB. Free memory was 80.9 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:57,464 INFO L168 Benchmark]: RCFGBuilder took 671.31 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 52.4 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:57,465 INFO L168 Benchmark]: TraceAbstraction took 636.93 ms. Allocated memory is still 107.0 MB. Free memory was 52.2 MB in the beginning and 76.3 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:57,466 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 107.0 MB. Free memory was 76.3 MB in the beginning and 75.5 MB in the end (delta: 734.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:57,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.91 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 57.1 MB in the beginning and 83.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.26 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 80.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.73 ms. Allocated memory is still 107.0 MB. Free memory was 80.9 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 671.31 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 52.4 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 636.93 ms. Allocated memory is still 107.0 MB. Free memory was 52.2 MB in the beginning and 76.3 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.76 ms. Allocated memory is still 107.0 MB. Free memory was 76.3 MB in the beginning and 75.5 MB in the end (delta: 734.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 74. Possible FailurePath: [L88] double x = 1.0 / 0.0; [L17] __int32_t msw, exponent_less_1023; [L18] __uint32_t lsw; [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (msw) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (lsw) = ew_u.parts.lsw [L25] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L26] COND FALSE !(exponent_less_1023 < 20) [L40] COND TRUE exponent_less_1023 > 51 [L41] COND TRUE exponent_less_1023 == 1024 [L42] return x + x; [L89] double res = round_double(x); [L67] __int32_t hx, lx; [L69] ieee_double_shape_type ew_u; [L70] ew_u.value = (x) [L71] EXPR ew_u.parts.msw [L71] (hx) = ew_u.parts.msw [L72] EXPR ew_u.parts.lsw [L72] (lx) = ew_u.parts.lsw [L74] hx &= 0x7fffffff [L75] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L76] hx = 0x7ff00000 - hx [L77] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L92] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_1032c.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:27:59,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:59,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:59,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:59,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:59,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:59,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:59,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:59,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:59,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:59,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:59,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:59,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:59,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:59,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:59,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:59,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:59,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:59,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:59,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:28:00,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:28:00,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:28:00,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:28:00,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:28:00,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:28:00,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:28:00,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:28:00,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:28:00,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:28:00,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:28:00,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:28:00,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:28:00,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:28:00,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:28:00,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:28:00,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:28:00,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:28:00,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:28:00,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:28:00,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:28:00,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:28:00,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:28:00,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:28:00,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:28:00,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:28:00,079 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:28:00,079 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:28:00,080 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:28:00,080 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:28:00,080 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:28:00,080 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:28:00,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:28:00,083 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:28:00,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:28:00,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:28:00,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:28:00,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:28:00,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:28:00,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:28:00,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:28:00,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:28:00,085 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:28:00,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:28:00,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:28:00,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:28:00,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:28:00,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:28:00,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:28:00,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:28:00,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:28:00,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:28:00,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:28:00,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:28:00,088 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:28:00,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:28:00,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:28:00,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:28:00,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:28:00,089 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0a2ba7c478f7aa42412993fd58e9bd96a2d03f [2020-11-28 07:28:00,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:28:00,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:28:00,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:28:00,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:28:00,497 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:28:00,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2020-11-28 07:28:00,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/434436a4a/0a4d5b186f984c7cae8a1a79f5a988e5/FLAG0562b47a7 [2020-11-28 07:28:01,071 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:28:01,074 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2020-11-28 07:28:01,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/434436a4a/0a4d5b186f984c7cae8a1a79f5a988e5/FLAG0562b47a7 [2020-11-28 07:28:01,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/data/434436a4a/0a4d5b186f984c7cae8a1a79f5a988e5 [2020-11-28 07:28:01,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:28:01,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:28:01,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:28:01,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:28:01,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:28:01,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270acb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01, skipping insertion in model container [2020-11-28 07:28:01,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:28:01,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:28:01,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:28:01,628 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:28:01,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:28:01,686 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:28:01,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01 WrapperNode [2020-11-28 07:28:01,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:28:01,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:28:01,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:28:01,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:28:01,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:28:01,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:28:01,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:28:01,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:28:01,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... [2020-11-28 07:28:01,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:28:01,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:28:01,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:28:01,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:28:01,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:28:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 07:28:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 07:28:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:28:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:28:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 07:28:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:28:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:28:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 07:28:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:28:02,651 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:28:02,658 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 07:28:02,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:28:02 BoogieIcfgContainer [2020-11-28 07:28:02,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:28:02,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:28:02,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:28:02,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:28:02,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:28:01" (1/3) ... [2020-11-28 07:28:02,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7ba858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:28:02, skipping insertion in model container [2020-11-28 07:28:02,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:28:01" (2/3) ... [2020-11-28 07:28:02,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7ba858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:28:02, skipping insertion in model container [2020-11-28 07:28:02,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:28:02" (3/3) ... [2020-11-28 07:28:02,669 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032c.c [2020-11-28 07:28:02,679 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:28:02,684 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:28:02,696 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:28:02,733 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:28:02,734 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:28:02,734 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:28:02,734 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:28:02,734 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:28:02,734 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:28:02,735 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:28:02,735 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:28:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-11-28 07:28:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 07:28:02,755 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:28:02,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:28:02,756 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:28:02,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:28:02,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1058195810, now seen corresponding path program 1 times [2020-11-28 07:28:02,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:28:02,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773685605] [2020-11-28 07:28:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:28:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:28:02,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:28:02,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:28:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:28:02,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:28:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:28:02,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773685605] [2020-11-28 07:28:02,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:28:02,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:28:02,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225710971] [2020-11-28 07:28:02,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:28:02,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:28:02,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:28:02,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:28:02,975 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-11-28 07:28:02,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:28:02,992 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2020-11-28 07:28:02,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:28:02,994 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-28 07:28:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:28:03,001 INFO L225 Difference]: With dead ends: 57 [2020-11-28 07:28:03,001 INFO L226 Difference]: Without dead ends: 26 [2020-11-28 07:28:03,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:28:03,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-28 07:28:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-28 07:28:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-28 07:28:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2020-11-28 07:28:03,034 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 13 [2020-11-28 07:28:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:28:03,034 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2020-11-28 07:28:03,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:28:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-11-28 07:28:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 07:28:03,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:28:03,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:28:03,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:28:03,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:28:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:28:03,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1055488069, now seen corresponding path program 1 times [2020-11-28 07:28:03,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:28:03,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134218601] [2020-11-28 07:28:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:28:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:28:03,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 07:28:03,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:28:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:28:03,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:28:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:28:03,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134218601] [2020-11-28 07:28:03,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:28:03,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 07:28:03,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194361786] [2020-11-28 07:28:03,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:28:03,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:28:03,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:28:03,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:28:03,824 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 8 states. [2020-11-28 07:28:04,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:28:04,108 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2020-11-28 07:28:04,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:28:04,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-28 07:28:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:28:04,113 INFO L225 Difference]: With dead ends: 34 [2020-11-28 07:28:04,113 INFO L226 Difference]: Without dead ends: 16 [2020-11-28 07:28:04,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:28:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-28 07:28:04,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-28 07:28:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-28 07:28:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-28 07:28:04,119 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2020-11-28 07:28:04,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:28:04,119 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-28 07:28:04,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:28:04,120 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-28 07:28:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 07:28:04,120 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:28:04,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:28:04,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:28:04,343 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:28:04,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:28:04,344 INFO L82 PathProgramCache]: Analyzing trace with hash 709099857, now seen corresponding path program 1 times [2020-11-28 07:28:04,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:28:04,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618072530] [2020-11-28 07:28:04,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:28:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:28:04,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:28:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:28:04,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:28:04,778 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-28 07:28:04,778 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:28:04,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:28:05,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:28:05 BoogieIcfgContainer [2020-11-28 07:28:05,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:28:05,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:28:05,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:28:05,024 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:28:05,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:28:02" (3/4) ... [2020-11-28 07:28:05,026 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 07:28:05,078 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_72edb1d8-c6dc-4c41-bd6c-e009598f5de7/bin/utaipan/witness.graphml [2020-11-28 07:28:05,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:28:05,080 INFO L168 Benchmark]: Toolchain (without parser) took 3650.68 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 38.0 MB in the beginning and 50.8 MB in the end (delta: -12.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:28:05,080 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:28:05,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.87 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 42.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:28:05,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.29 ms. Allocated memory is still 58.7 MB. Free memory was 42.8 MB in the beginning and 41.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:28:05,082 INFO L168 Benchmark]: Boogie Preprocessor took 35.37 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 39.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:28:05,083 INFO L168 Benchmark]: RCFGBuilder took 859.70 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.3 MB in the beginning and 47.2 MB in the end (delta: -7.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:28:05,084 INFO L168 Benchmark]: TraceAbstraction took 2360.72 ms. Allocated memory is still 71.3 MB. Free memory was 46.6 MB in the beginning and 53.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:28:05,085 INFO L168 Benchmark]: Witness Printer took 55.15 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 50.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:28:05,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.87 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 42.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.29 ms. Allocated memory is still 58.7 MB. Free memory was 42.8 MB in the beginning and 41.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.37 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 39.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 859.70 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.3 MB in the beginning and 47.2 MB in the end (delta: -7.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2360.72 ms. Allocated memory is still 71.3 MB. Free memory was 46.6 MB in the beginning and 53.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Witness Printer took 55.15 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 50.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L88] double x = 1.0 / 0.0; [L17] __int32_t msw, exponent_less_1023; [L18] __uint32_t lsw; [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (msw) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (lsw) = ew_u.parts.lsw [L25] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L26] COND FALSE !(exponent_less_1023 < 20) [L40] COND TRUE exponent_less_1023 > 51 [L41] COND TRUE exponent_less_1023 == 1024 [L42] return x + x; [L89] double res = round_double(x); [L67] __int32_t hx, lx; [L69] ieee_double_shape_type ew_u; [L70] ew_u.value = (x) [L71] EXPR ew_u.parts.msw [L71] (hx) = ew_u.parts.msw [L72] EXPR ew_u.parts.lsw [L72] (lx) = ew_u.parts.lsw [L74] hx &= 0x7fffffff [L75] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L76] hx = 0x7ff00000 - hx [L77] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L92] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_1032c.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 44 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 5 QuantifiedInterpolants, 2276 SizeOfPredicates, 8 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! Received shutdown request...