./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.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_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fdd6b263368afa8ce8882c7fab6c0f595a3666c .................................................................................................................................................................................................................................................................................... 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_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fdd6b263368afa8ce8882c7fab6c0f595a3666c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:08:28,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:08:28,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:08:29,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:08:29,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:08:29,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:08:29,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:08:29,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:08:29,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:08:29,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:08:29,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:08:29,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:08:29,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:08:29,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:08:29,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:08:29,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:08:29,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:08:29,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:08:29,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:08:29,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:08:29,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:08:29,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:08:29,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:08:29,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:08:29,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:08:29,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:08:29,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:08:29,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:08:29,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:08:29,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:08:29,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:08:29,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:08:29,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:08:29,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:08:29,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:08:29,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:08:29,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:08:29,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:08:29,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:08:29,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:08:29,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:08:29,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:08:29,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:08:29,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:08:29,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:08:29,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:08:29,034 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:08:29,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:08:29,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:08:29,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:08:29,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:08:29,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:08:29,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:08:29,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:08:29,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:08:29,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:08:29,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:08:29,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:08:29,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:08:29,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:08:29,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:08:29,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:08:29,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:08:29,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:08:29,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer 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 -> Automizer 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 -> 2fdd6b263368afa8ce8882c7fab6c0f595a3666c [2019-12-07 10:08:29,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:08:29,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:08:29,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:08:29,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:08:29,156 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:08:29,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2019-12-07 10:08:29,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/bd50d5cdf/c0486489a2204cf9b0d8674b4147562c/FLAG6b03d6aea [2019-12-07 10:08:29,584 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:08:29,584 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2019-12-07 10:08:29,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/bd50d5cdf/c0486489a2204cf9b0d8674b4147562c/FLAG6b03d6aea [2019-12-07 10:08:29,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/bd50d5cdf/c0486489a2204cf9b0d8674b4147562c [2019-12-07 10:08:29,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:08:29,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:08:29,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:29,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:08:29,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:08:29,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:29" (1/1) ... [2019-12-07 10:08:29,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b211656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:29, skipping insertion in model container [2019-12-07 10:08:29,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:29" (1/1) ... [2019-12-07 10:08:29,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:08:30,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:08:30,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:30,162 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:08:30,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:30,202 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:08:30,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30 WrapperNode [2019-12-07 10:08:30,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:30,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:30,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:08:30,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:08:30,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:30,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:08:30,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:08:30,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:08:30,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... [2019-12-07 10:08:30,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:08:30,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:08:30,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:08:30,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:08:30,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/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 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:08:30,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:08:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:08:30,484 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:08:30,485 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 10:08:30,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:30 BoogieIcfgContainer [2019-12-07 10:08:30,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:08:30,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:08:30,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:08:30,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:08:30,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:08:29" (1/3) ... [2019-12-07 10:08:30,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2d1250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:08:30, skipping insertion in model container [2019-12-07 10:08:30,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:30" (2/3) ... [2019-12-07 10:08:30,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2d1250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:08:30, skipping insertion in model container [2019-12-07 10:08:30,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:30" (3/3) ... [2019-12-07 10:08:30,492 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730c.c [2019-12-07 10:08:30,498 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:08:30,502 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:08:30,509 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:08:30,526 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:08:30,526 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:08:30,526 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:08:30,526 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:08:30,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:08:30,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:08:30,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:08:30,527 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:08:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 10:08:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 10:08:30,540 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:30,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:30,540 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:30,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:30,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1903716510, now seen corresponding path program 1 times [2019-12-07 10:08:30,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:30,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807321309] [2019-12-07 10:08:30,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:30,622 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 10:08:30,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807321309] [2019-12-07 10:08:30,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:30,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:08:30,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574163661] [2019-12-07 10:08:30,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:08:30,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:30,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:08:30,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:08:30,637 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 10:08:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:30,650 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2019-12-07 10:08:30,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:08:30,650 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 10:08:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:30,657 INFO L225 Difference]: With dead ends: 72 [2019-12-07 10:08:30,657 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 10:08:30,659 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 10:08:30,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 10:08:30,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 10:08:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 10:08:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-12-07 10:08:30,682 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 9 [2019-12-07 10:08:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:30,682 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-12-07 10:08:30,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:08:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2019-12-07 10:08:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:08:30,683 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:30,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:30,683 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:30,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:30,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1484634303, now seen corresponding path program 1 times [2019-12-07 10:08:30,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:30,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284068987] [2019-12-07 10:08:30,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:30,735 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:30,735 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:08:30,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:08:30 BoogieIcfgContainer [2019-12-07 10:08:30,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:08:30,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:08:30,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:08:30,756 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:08:30,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:30" (3/4) ... [2019-12-07 10:08:30,759 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:08:30,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:08:30,761 INFO L168 Benchmark]: Toolchain (without parser) took 793.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -105.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:30,761 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:30,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:30,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.71 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:30,762 INFO L168 Benchmark]: Boogie Preprocessor took 20.39 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 10:08:30,763 INFO L168 Benchmark]: RCFGBuilder took 229.84 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:30,763 INFO L168 Benchmark]: TraceAbstraction took 269.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:30,763 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:30,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.71 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.39 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. * RCFGBuilder took 229.84 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 269.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.1 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: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someUnaryFLOAToperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = -0.0f; [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L106] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 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=37occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 10:08:32,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:08:32,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:08:32,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:08:32,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:08:32,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:08:32,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:08:32,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:08:32,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:08:32,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:08:32,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:08:32,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:08:32,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:08:32,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:08:32,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:08:32,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:08:32,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:08:32,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:08:32,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:08:32,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:08:32,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:08:32,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:08:32,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:08:32,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:08:32,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:08:32,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:08:32,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:08:32,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:08:32,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:08:32,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:08:32,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:08:32,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:08:32,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:08:32,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:08:32,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:08:32,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:08:32,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:08:32,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:08:32,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:08:32,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:08:32,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:08:32,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 10:08:32,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:08:32,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:08:32,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:08:32,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:08:32,160 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:08:32,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:08:32,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:08:32,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:08:32,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:08:32,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:08:32,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:08:32,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:08:32,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:08:32,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:08:32,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:08:32,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:08:32,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:08:32,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:08:32,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:08:32,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:08:32,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:08:32,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:08:32,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:08:32,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:08:32,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:08:32,164 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_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer 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 -> Automizer 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 -> 2fdd6b263368afa8ce8882c7fab6c0f595a3666c [2019-12-07 10:08:32,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:08:32,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:08:32,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:08:32,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:08:32,361 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:08:32,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2019-12-07 10:08:32,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/2cd129822/54212d12d76d47d5b29bf14eccb21630/FLAG8bb931e73 [2019-12-07 10:08:32,791 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:08:32,791 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2019-12-07 10:08:32,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/2cd129822/54212d12d76d47d5b29bf14eccb21630/FLAG8bb931e73 [2019-12-07 10:08:33,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/data/2cd129822/54212d12d76d47d5b29bf14eccb21630 [2019-12-07 10:08:33,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:08:33,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:08:33,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:33,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:08:33,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:08:33,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197b78eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33, skipping insertion in model container [2019-12-07 10:08:33,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:08:33,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:08:33,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:33,367 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:08:33,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:33,408 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:08:33,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33 WrapperNode [2019-12-07 10:08:33,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:33,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:33,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:08:33,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:08:33,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:33,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:08:33,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:08:33,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:08:33,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... [2019-12-07 10:08:33,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:08:33,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:08:33,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:08:33,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:08:33,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/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 10:08:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:08:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 10:08:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:08:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:08:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:08:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 10:08:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:08:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:08:34,194 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:08:34,195 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 10:08:34,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:34 BoogieIcfgContainer [2019-12-07 10:08:34,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:08:34,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:08:34,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:08:34,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:08:34,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:08:33" (1/3) ... [2019-12-07 10:08:34,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4249b1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:08:34, skipping insertion in model container [2019-12-07 10:08:34,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:33" (2/3) ... [2019-12-07 10:08:34,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4249b1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:08:34, skipping insertion in model container [2019-12-07 10:08:34,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:34" (3/3) ... [2019-12-07 10:08:34,200 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730c.c [2019-12-07 10:08:34,206 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:08:34,210 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:08:34,217 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:08:34,232 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:08:34,232 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:08:34,232 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:08:34,232 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:08:34,232 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:08:34,232 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:08:34,232 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:08:34,232 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:08:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 10:08:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 10:08:34,245 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:34,245 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:34,246 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:34,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:34,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1903716510, now seen corresponding path program 1 times [2019-12-07 10:08:34,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:08:34,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129159208] [2019-12-07 10:08:34,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/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 10:08:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:34,390 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:08:34,393 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:34,402 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 10:08:34,402 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:08:34,405 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 10:08:34,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129159208] [2019-12-07 10:08:34,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:34,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:08:34,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471990476] [2019-12-07 10:08:34,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:08:34,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:08:34,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:08:34,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:08:34,420 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 10:08:34,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:34,434 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2019-12-07 10:08:34,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:08:34,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 10:08:34,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:34,443 INFO L225 Difference]: With dead ends: 72 [2019-12-07 10:08:34,443 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 10:08:34,445 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 10:08:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 10:08:34,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 10:08:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 10:08:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-12-07 10:08:34,472 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 9 [2019-12-07 10:08:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:34,472 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-12-07 10:08:34,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:08:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2019-12-07 10:08:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:08:34,473 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:34,473 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:34,674 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:08:34,675 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:34,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:34,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1484634303, now seen corresponding path program 1 times [2019-12-07 10:08:34,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:08:34,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997091199] [2019-12-07 10:08:34,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/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 10:08:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:34,866 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 10:08:34,868 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:34,908 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 10:08:34,909 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:08:34,949 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 10:08:34,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997091199] [2019-12-07 10:08:34,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:34,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:08:34,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686847706] [2019-12-07 10:08:34,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:08:34,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:08:34,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:08:34,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:08:34,951 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand 8 states. [2019-12-07 10:08:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:35,005 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2019-12-07 10:08:35,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:08:35,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-12-07 10:08:35,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:35,006 INFO L225 Difference]: With dead ends: 43 [2019-12-07 10:08:35,006 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 10:08:35,007 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:08:35,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 10:08:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 10:08:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 10:08:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-07 10:08:35,010 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 10 [2019-12-07 10:08:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:35,010 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-12-07 10:08:35,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:08:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-07 10:08:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:08:35,011 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:35,011 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:35,211 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:08:35,212 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:35,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1245587968, now seen corresponding path program 1 times [2019-12-07 10:08:35,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:08:35,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387994302] [2019-12-07 10:08:35,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/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 10:08:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:35,336 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:08:35,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:35,357 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 10:08:35,357 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:08:35,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:35,378 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 10:08:35,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387994302] [2019-12-07 10:08:35,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:35,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-12-07 10:08:35,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359734731] [2019-12-07 10:08:35,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 10:08:35,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:08:35,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 10:08:35,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:08:35,380 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 7 states. [2019-12-07 10:08:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:35,416 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 10:08:35,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:08:35,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-12-07 10:08:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:35,417 INFO L225 Difference]: With dead ends: 19 [2019-12-07 10:08:35,417 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 10:08:35,417 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:08:35,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 10:08:35,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 10:08:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 10:08:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 10:08:35,420 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-12-07 10:08:35,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:35,420 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 10:08:35,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 10:08:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 10:08:35,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 10:08:35,421 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:35,421 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:35,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:08:35,623 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:35,624 INFO L82 PathProgramCache]: Analyzing trace with hash 336653141, now seen corresponding path program 1 times [2019-12-07 10:08:35,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:08:35,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736145270] [2019-12-07 10:08:35,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:08:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:35,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 10:08:35,751 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:35,796 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:35,823 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 10:08:35,823 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:08:35,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:35,966 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 10:08:35,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736145270] [2019-12-07 10:08:35,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:35,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 10:08:35,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230118082] [2019-12-07 10:08:35,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 10:08:35,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:08:35,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 10:08:35,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 10:08:35,968 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-12-07 10:08:36,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:36,106 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-12-07 10:08:36,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:08:36,107 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-12-07 10:08:36,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:36,107 INFO L225 Difference]: With dead ends: 16 [2019-12-07 10:08:36,107 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:08:36,108 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-12-07 10:08:36,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:08:36,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:08:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:08:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:08:36,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-12-07 10:08:36,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:36,109 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:36,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 10:08:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:08:36,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:08:36,310 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:08:36,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:08:36,455 INFO L246 CegarLoopResult]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2019-12-07 10:08:36,455 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 10:08:36,455 INFO L246 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-12-07 10:08:36,455 INFO L246 CegarLoopResult]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2019-12-07 10:08:36,455 INFO L242 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (= ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-12-07 10:08:36,456 INFO L249 CegarLoopResult]: At program point L110(lines 93 111) the Hoare annotation is: true [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2019-12-07 10:08:36,456 INFO L242 CegarLoopResult]: At program point L36-3(lines 36 37) the Hoare annotation is: false [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:08:36,456 INFO L242 CegarLoopResult]: At program point L78(lines 14 79) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) .cse0) (= ULTIMATE.start___ieee754_sqrtf_~x .cse0) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0))))) [2019-12-07 10:08:36,456 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L105-2(lines 105 108) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L242 CegarLoopResult]: At program point L73-2(lines 73 77) the Hoare annotation is: false [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L65(lines 65 68) no Hoare annotation was computed. [2019-12-07 10:08:36,457 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L242 CegarLoopResult]: At program point L90(lines 81 91) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short9| (= ULTIMATE.start___signbit_float_~x .cse0) (= ULTIMATE.start___ieee754_sqrtf_~x .cse0) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0))))) [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L242 CegarLoopResult]: At program point L50-2(lines 50 59) the Hoare annotation is: false [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point L26(lines 26 27) no Hoare annotation was computed. [2019-12-07 10:08:36,458 INFO L246 CegarLoopResult]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2019-12-07 10:08:36,459 INFO L242 CegarLoopResult]: At program point L84-2(lines 84 88) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) .cse0) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short9| (= ULTIMATE.start___signbit_float_~x .cse0) (= ULTIMATE.start___ieee754_sqrtf_~x .cse0) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0))))) [2019-12-07 10:08:36,459 INFO L246 CegarLoopResult]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2019-12-07 10:08:36,459 INFO L246 CegarLoopResult]: For program point L35(lines 35 39) no Hoare annotation was computed. [2019-12-07 10:08:36,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:08:36 BoogieIcfgContainer [2019-12-07 10:08:36,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:08:36,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:08:36,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:08:36,478 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:08:36,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:34" (3/4) ... [2019-12-07 10:08:36,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:08:36,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 10:08:36,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 10:08:36,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:08:36,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) [2019-12-07 10:08:36,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) [2019-12-07 10:08:36,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) [2019-12-07 10:08:36,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb61f56b-333e-4bec-86cf-03c0d0bed29a/bin/uautomizer/witness.graphml [2019-12-07 10:08:36,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:08:36,533 INFO L168 Benchmark]: Toolchain (without parser) took 3321.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 952.4 MB in the beginning and 921.2 MB in the end (delta: 31.2 MB). Peak memory consumption was 153.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:36,533 INFO L168 Benchmark]: CDTParser took 0.20 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 10:08:36,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:36,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:36,534 INFO L168 Benchmark]: Boogie Preprocessor took 27.76 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 10:08:36,534 INFO L168 Benchmark]: RCFGBuilder took 691.26 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:36,534 INFO L168 Benchmark]: TraceAbstraction took 2281.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 151.5 MB). Peak memory consumption was 151.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:36,535 INFO L168 Benchmark]: Witness Printer took 54.10 ms. Allocated memory is still 1.2 GB. Free memory was 927.8 MB in the beginning and 921.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:36,536 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 196.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.76 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. * RCFGBuilder took 691.26 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2281.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 151.5 MB). Peak memory consumption was 151.5 MB. Max. memory is 11.5 GB. * Witness Printer took 54.10 ms. Allocated memory is still 1.2 GB. Free memory was 927.8 MB in the beginning and 921.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 81]: Loop Invariant [2019-12-07 10:08:36,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,541 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,541 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,541 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,541 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (((((((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant [2019-12-07 10:08:36,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (((((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) - InvariantResult [Line: 14]: Loop Invariant [2019-12-07 10:08:36,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2019-12-07 10:08:36,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 77 SDtfs, 114 SDslu, 55 SDs, 0 SdLazy, 51 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 149 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 10 QuantifiedInterpolants, 4553 SizeOfPredicates, 22 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! Received shutdown request...