./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ............................................................................................................................................................................................................................................................................................................ 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/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:26:16,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:26:16,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:26:16,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:26:16,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:26:16,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:26:16,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:26:16,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:26:16,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:26:16,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:26:16,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:26:16,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:26:16,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:26:16,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:26:16,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:26:16,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:26:16,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:26:16,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:26:16,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:26:16,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:26:16,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:26:16,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:26:16,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:26:16,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:26:16,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:26:16,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:26:16,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:26:16,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:26:16,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:26:16,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:26:16,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:26:16,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:26:16,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:26:16,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:26:16,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:26:16,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:26:16,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:26:16,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:26:16,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:26:16,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:26:16,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:26:16,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:26:16,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:26:16,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:26:16,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:26:16,740 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:26:16,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:26:16,740 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:26:16,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:26:16,741 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:26:16,741 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:26:16,741 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:26:16,741 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:26:16,741 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:26:16,741 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:26:16,741 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:26:16,742 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:26:16,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:26:16,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:26:16,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:26:16,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:26:16,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:26:16,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:26:16,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:26:16,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:26:16,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:26:16,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:26:16,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:26:16,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:26:16,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:26:16,745 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:26:16,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:26:16,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:26:16,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:26:16,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:26:16,745 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/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2019-12-07 20:26:16,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:26:16,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:26:16,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:26:16,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:26:16,859 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:26:16,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 20:26:16,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/72e17672e/fc5f772f4c704ed79bb8d135105b272f/FLAG6462f2f76 [2019-12-07 20:26:17,300 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:26:17,301 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 20:26:17,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/72e17672e/fc5f772f4c704ed79bb8d135105b272f/FLAG6462f2f76 [2019-12-07 20:26:17,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/72e17672e/fc5f772f4c704ed79bb8d135105b272f [2019-12-07 20:26:17,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:26:17,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:26:17,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:17,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:26:17,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:26:17,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:17,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583489c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17, skipping insertion in model container [2019-12-07 20:26:17,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:17,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:26:17,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:26:17,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:17,916 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:26:17,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:17,961 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:26:17,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17 WrapperNode [2019-12-07 20:26:17,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:17,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:26:17,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:26:17,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:26:17,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:17,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:17,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:26:17,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:26:17,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:26:17,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:26:18,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... [2019-12-07 20:26:18,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:26:18,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:26:18,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:26:18,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:26:18,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 [2019-12-07 20:26:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:26:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:26:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:26:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:26:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:26:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:26:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:26:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 20:26:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:26:18,457 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:26:18,457 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 20:26:18,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:18 BoogieIcfgContainer [2019-12-07 20:26:18,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:26:18,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:26:18,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:26:18,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:26:18,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:26:17" (1/3) ... [2019-12-07 20:26:18,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156882d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:26:18, skipping insertion in model container [2019-12-07 20:26:18,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:17" (2/3) ... [2019-12-07 20:26:18,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156882d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:26:18, skipping insertion in model container [2019-12-07 20:26:18,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:18" (3/3) ... [2019-12-07 20:26:18,463 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2019-12-07 20:26:18,469 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:26:18,474 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:26:18,481 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:26:18,496 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:26:18,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:26:18,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:26:18,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:26:18,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:26:18,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:26:18,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:26:18,496 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:26:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-12-07 20:26:18,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:26:18,509 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:18,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:26:18,510 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:18,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:18,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1459358806, now seen corresponding path program 1 times [2019-12-07 20:26:18,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:26:18,519 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263484238] [2019-12-07 20:26:18,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:26:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:26:18,597 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263484238] [2019-12-07 20:26:18,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:18,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:26:18,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778841540] [2019-12-07 20:26:18,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:26:18,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:26:18,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:26:18,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:26:18,612 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2019-12-07 20:26:18,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:18,625 INFO L93 Difference]: Finished difference Result 77 states and 131 transitions. [2019-12-07 20:26:18,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:26:18,626 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 20:26:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:18,633 INFO L225 Difference]: With dead ends: 77 [2019-12-07 20:26:18,633 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 20:26:18,635 INFO L630 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 [2019-12-07 20:26:18,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 20:26:18,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 20:26:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 20:26:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 54 transitions. [2019-12-07 20:26:18,658 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 54 transitions. Word has length 8 [2019-12-07 20:26:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:18,658 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 54 transitions. [2019-12-07 20:26:18,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:26:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2019-12-07 20:26:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:26:18,658 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:18,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:26:18,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:18,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:18,659 INFO L82 PathProgramCache]: Analyzing trace with hash -724917447, now seen corresponding path program 1 times [2019-12-07 20:26:18,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:26:18,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264312794] [2019-12-07 20:26:18,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:26:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:26:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:26:18,747 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:26:18,747 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:26:18,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:26:18 BoogieIcfgContainer [2019-12-07 20:26:18,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:26:18,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:26:18,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:26:18,768 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:26:18,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:18" (3/4) ... [2019-12-07 20:26:18,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:26:18,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:26:18,772 INFO L168 Benchmark]: Toolchain (without parser) took 1068.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 938.9 MB in the beginning and 1.0 GB in the end (delta: -96.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:18,773 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:26:18,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:18,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.63 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. [2019-12-07 20:26:18,774 INFO L168 Benchmark]: Boogie Preprocessor took 30.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:18,774 INFO L168 Benchmark]: RCFGBuilder took 431.61 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:18,775 INFO L168 Benchmark]: TraceAbstraction took 308.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:18,775 INFO L168 Benchmark]: Witness Printer took 3.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:26:18,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.63 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. * Boogie Preprocessor took 30.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.61 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 308.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 176]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L170] double x = 1.0 / 0.0; [L171] double y = __VERIFIER_nondet_double(); [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L172] double res = fmod_double(x, y); [L16] return x != x; [L175] COND TRUE !isnan_double(res) [L176] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 56 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=39occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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, 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 0.1.25-f470102 [2019-12-07 20:26:20,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:26:20,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:26:20,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:26:20,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:26:20,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:26:20,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:26:20,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:26:20,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:26:20,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:26:20,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:26:20,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:26:20,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:26:20,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:26:20,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:26:20,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:26:20,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:26:20,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:26:20,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:26:20,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:26:20,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:26:20,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:26:20,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:26:20,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:26:20,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:26:20,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:26:20,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:26:20,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:26:20,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:26:20,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:26:20,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:26:20,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:26:20,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:26:20,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:26:20,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:26:20,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:26:20,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:26:20,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:26:20,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:26:20,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:26:20,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:26:20,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:26:20,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:26:20,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:26:20,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:26:20,185 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:26:20,186 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:26:20,186 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:26:20,186 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:26:20,186 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:26:20,186 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:26:20,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:26:20,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:26:20,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:26:20,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:26:20,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:26:20,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:26:20,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:26:20,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:26:20,189 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:26:20,189 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:26:20,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:26:20,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:26:20,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:26:20,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:26:20,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:26:20,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:26:20,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:26:20,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:26:20,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:26:20,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:26:20,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:26:20,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:26:20,191 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:26:20,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:26:20,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:26:20,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:26:20,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:26:20,192 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/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2019-12-07 20:26:20,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:26:20,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:26:20,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:26:20,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:26:20,373 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:26:20,373 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 20:26:20,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/cf5c1b0d0/e38955b511424350993d57c9fca0af33/FLAG53c5df27b [2019-12-07 20:26:20,876 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:26:20,876 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 20:26:20,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/cf5c1b0d0/e38955b511424350993d57c9fca0af33/FLAG53c5df27b [2019-12-07 20:26:20,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/data/cf5c1b0d0/e38955b511424350993d57c9fca0af33 [2019-12-07 20:26:20,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:26:20,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:26:20,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:20,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:26:20,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:26:20,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:20" (1/1) ... [2019-12-07 20:26:20,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:20, skipping insertion in model container [2019-12-07 20:26:20,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:20" (1/1) ... [2019-12-07 20:26:20,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:26:20,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:26:21,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:21,057 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:26:21,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:21,144 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:26:21,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21 WrapperNode [2019-12-07 20:26:21,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:21,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:26:21,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:26:21,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:26:21,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:26:21,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:26:21,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:26:21,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:26:21,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... [2019-12-07 20:26:21,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:26:21,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:26:21,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:26:21,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:26:21,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 [2019-12-07 20:26:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 20:26:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 20:26:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:26:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 20:26:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:26:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:26:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:26:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:26:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:26:24,420 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:26:24,421 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 20:26:24,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:24 BoogieIcfgContainer [2019-12-07 20:26:24,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:26:24,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:26:24,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:26:24,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:26:24,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:26:20" (1/3) ... [2019-12-07 20:26:24,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a369a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:26:24, skipping insertion in model container [2019-12-07 20:26:24,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:21" (2/3) ... [2019-12-07 20:26:24,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a369a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:26:24, skipping insertion in model container [2019-12-07 20:26:24,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:24" (3/3) ... [2019-12-07 20:26:24,427 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2019-12-07 20:26:24,433 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:26:24,438 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:26:24,445 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:26:24,460 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:26:24,461 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:26:24,461 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:26:24,461 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:26:24,461 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:26:24,461 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:26:24,461 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:26:24,461 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:26:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-12-07 20:26:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:26:24,475 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:24,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:26:24,476 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:24,479 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-12-07 20:26:24,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:24,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169242160] [2019-12-07 20:26:24,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 [2019-12-07 20:26:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:25,395 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:26:25,399 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:26:25,411 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:26:25,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169242160] [2019-12-07 20:26:25,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:25,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:26:25,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616065046] [2019-12-07 20:26:25,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:26:25,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:25,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:26:25,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:26:25,433 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-12-07 20:26:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:25,453 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-12-07 20:26:25,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:26:25,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:26:25,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:25,464 INFO L225 Difference]: With dead ends: 108 [2019-12-07 20:26:25,464 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 20:26:25,467 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:26:25,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 20:26:25,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 20:26:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 20:26:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-12-07 20:26:25,494 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-12-07 20:26:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:25,494 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-12-07 20:26:25,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:26:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-12-07 20:26:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 20:26:25,495 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:25,495 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:26:25,696 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:26:25,697 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:25,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:25,698 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-12-07 20:26:25,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:25,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068090960] [2019-12-07 20:26:25,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 [2019-12-07 20:26:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:26,666 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 20:26:26,667 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:36,212 WARN L192 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 20:26:36,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:26:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:26:44,495 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:56,734 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-12-07 20:26:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:26:58,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068090960] [2019-12-07 20:26:58,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:58,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-12-07 20:26:58,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76729789] [2019-12-07 20:26:58,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 20:26:58,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:58,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 20:26:58,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=68, Unknown=2, NotChecked=16, Total=110 [2019-12-07 20:26:58,556 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 11 states. [2019-12-07 20:27:02,158 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (_ +zero 11 53)) c_ULTIMATE.start_fmod_double_~x) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 20:27:33,224 WARN L192 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-12-07 20:27:56,051 WARN L192 SmtUtils]: Spent 15.34 s on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-12-07 20:27:56,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:27:56,948 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-12-07 20:27:56,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 20:27:56,988 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-12-07 20:27:56,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:27:56,989 INFO L225 Difference]: With dead ends: 57 [2019-12-07 20:27:56,989 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 20:27:56,990 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 85.6s TimeCoverageRelationStatistics Valid=41, Invalid=95, Unknown=4, NotChecked=42, Total=182 [2019-12-07 20:27:56,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 20:27:56,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 20:27:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 20:27:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-12-07 20:27:56,997 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-12-07 20:27:56,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:27:56,997 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-12-07 20:27:56,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 20:27:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-12-07 20:27:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 20:27:56,998 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:27:56,998 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:27:57,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:27:57,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:27:57,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:27:57,201 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-12-07 20:27:57,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:27:57,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140710946] [2019-12-07 20:27:57,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/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 [2019-12-07 20:27:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:27:57,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 20:27:57,346 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:27:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:27:57,421 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:27:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:27:57,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140710946] [2019-12-07 20:27:57,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:27:57,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-12-07 20:27:57,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16572767] [2019-12-07 20:27:57,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 20:27:57,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:27:57,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 20:27:57,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:27:57,496 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 7 states. [2019-12-07 20:27:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:27:57,561 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-12-07 20:27:57,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:27:57,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-12-07 20:27:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:27:57,562 INFO L225 Difference]: With dead ends: 52 [2019-12-07 20:27:57,562 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:27:57,563 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:27:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:27:57,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:27:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:27:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:27:57,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-07 20:27:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:27:57,564 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:27:57,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 20:27:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:27:57,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:27:57,765 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:27:57,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:28:03,760 WARN L192 SmtUtils]: Spent 5.92 s on a formula simplification that was a NOOP. DAG size: 15 [2019-12-07 20:28:08,334 WARN L192 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2019-12-07 20:28:08,341 INFO L246 CegarLoopResult]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-12-07 20:28:08,341 INFO L246 CegarLoopResult]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,341 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-12-07 20:28:08,342 INFO L242 CegarLoopResult]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-12-07 20:28:08,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:28:08,342 INFO L246 CegarLoopResult]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-12-07 20:28:08,342 INFO L246 CegarLoopResult]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-12-07 20:28:08,342 INFO L246 CegarLoopResult]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-12-07 20:28:08,342 INFO L246 CegarLoopResult]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,343 INFO L246 CegarLoopResult]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,343 INFO L246 CegarLoopResult]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-12-07 20:28:08,343 INFO L246 CegarLoopResult]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-12-07 20:28:08,343 INFO L246 CegarLoopResult]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-12-07 20:28:08,343 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-12-07 20:28:08,343 INFO L242 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-12-07 20:28:08,344 INFO L242 CegarLoopResult]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-12-07 20:28:08,344 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:28:08,344 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-12-07 20:28:08,344 INFO L246 CegarLoopResult]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-12-07 20:28:08,344 INFO L246 CegarLoopResult]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-12-07 20:28:08,344 INFO L242 CegarLoopResult]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-12-07 20:28:08,344 INFO L246 CegarLoopResult]: For program point L175(lines 175 178) no Hoare annotation was computed. [2019-12-07 20:28:08,345 INFO L246 CegarLoopResult]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-12-07 20:28:08,345 INFO L246 CegarLoopResult]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-12-07 20:28:08,345 INFO L246 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-12-07 20:28:08,345 INFO L242 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:28:08,345 INFO L246 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2019-12-07 20:28:08,345 INFO L246 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-12-07 20:28:08,346 INFO L242 CegarLoopResult]: At program point L160(lines 23 161) the Hoare annotation is: (not (fp.eq |ULTIMATE.start_fmod_double_#res| |ULTIMATE.start_fmod_double_#res|)) [2019-12-07 20:28:08,346 INFO L242 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-12-07 20:28:08,346 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:28:08,346 INFO L246 CegarLoopResult]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,346 INFO L246 CegarLoopResult]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-12-07 20:28:08,346 INFO L246 CegarLoopResult]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-12-07 20:28:08,347 INFO L246 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-12-07 20:28:08,347 INFO L246 CegarLoopResult]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,347 INFO L246 CegarLoopResult]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,347 INFO L246 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-12-07 20:28:08,347 INFO L246 CegarLoopResult]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,347 INFO L249 CegarLoopResult]: At program point L180(lines 163 181) the Hoare annotation is: true [2019-12-07 20:28:08,347 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 20:28:08,348 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:28:08,348 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2019-12-07 20:28:08,348 INFO L246 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-12-07 20:28:08,348 INFO L242 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-12-07 20:28:08,348 INFO L246 CegarLoopResult]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-12-07 20:28:08,349 INFO L246 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-12-07 20:28:08,349 INFO L246 CegarLoopResult]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-12-07 20:28:08,349 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-12-07 20:28:08,349 INFO L246 CegarLoopResult]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-12-07 20:28:08,349 INFO L242 CegarLoopResult]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-12-07 20:28:08,349 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-12-07 20:28:08,349 INFO L246 CegarLoopResult]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-12-07 20:28:08,350 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-12-07 20:28:08,350 INFO L246 CegarLoopResult]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-12-07 20:28:08,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:28:08 BoogieIcfgContainer [2019-12-07 20:28:08,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:28:08,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:28:08,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:28:08,374 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:28:08,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:24" (3/4) ... [2019-12-07 20:28:08,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:28:08,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 20:28:08,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 20:28:08,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:28:08,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5eed3b10-4f23-40e7-8212-115dafb7e71f/bin/utaipan/witness.graphml [2019-12-07 20:28:08,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:28:08,419 INFO L168 Benchmark]: Toolchain (without parser) took 107525.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 953.7 MB in the beginning and 929.4 MB in the end (delta: 24.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:08,419 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:28:08,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:08,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:28:08,420 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:08,420 INFO L168 Benchmark]: RCFGBuilder took 3212.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:08,420 INFO L168 Benchmark]: TraceAbstraction took 103951.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 116.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:08,421 INFO L168 Benchmark]: Witness Printer took 43.55 ms. Allocated memory is still 1.1 GB. Free memory was 936.6 MB in the beginning and 929.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:08,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3212.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 103951.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 116.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 11.5 GB. * Witness Printer took 43.55 ms. Allocated memory is still 1.1 GB. Free memory was 936.6 MB in the beginning and 929.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: !~fp.eq~DOUBLE(\result, \result) - InvariantResult [Line: 16]: Loop Invariant [2019-12-07 20:28:08,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 20:28:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y)) == \result) && 1bv32 == \result - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2019-12-07 20:28:08,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:28:08,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:28:08,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 93.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 58.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, HoareTripleCheckerStatistics: 159 SDtfs, 11 SDslu, 338 SDs, 0 SdLazy, 29 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 85.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 51 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 10.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 14 QuantifiedInterpolants, 5264 SizeOfPredicates, 19 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...