./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 .................................................................................................................................................................................................................................................................................... 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_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:00:47,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:00:47,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:00:47,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:00:47,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:00:47,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:00:47,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:00:47,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:00:47,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:00:47,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:00:47,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:00:47,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:00:47,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:00:47,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:00:47,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:00:47,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:00:47,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:00:47,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:00:47,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:00:47,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:00:47,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:00:47,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:00:47,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:00:47,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:00:47,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:00:47,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:00:47,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:00:47,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:00:47,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:00:47,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:00:47,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:00:47,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:00:47,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:00:47,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:00:47,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:00:47,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:00:47,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:00:47,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:00:47,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:00:47,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:00:47,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:00:47,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:00:47,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:00:47,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:00:47,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:00:47,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:00:47,302 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:00:47,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:00:47,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:00:47,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:00:47,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:00:47,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:00:47,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:00:47,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:00:47,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:00:47,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:00:47,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:00:47,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:00:47,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:00:47,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:00:47,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:00:47,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:00:47,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:00:47,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:00:47,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:00:47,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:00:47,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:00:47,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:00:47,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:00:47,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:00:47,308 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_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2019-11-20 00:00:47,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:00:47,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:00:47,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:00:47,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:00:47,542 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:00:47,544 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-20 00:00:47,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/9c70d461b/020d19a1b216447db41b2111076c4c7c/FLAG79b6aec5b [2019-11-20 00:00:48,071 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:00:48,074 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-20 00:00:48,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/9c70d461b/020d19a1b216447db41b2111076c4c7c/FLAG79b6aec5b [2019-11-20 00:00:48,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/9c70d461b/020d19a1b216447db41b2111076c4c7c [2019-11-20 00:00:48,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:00:48,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:00:48,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:00:48,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:00:48,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:00:48,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45002a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48, skipping insertion in model container [2019-11-20 00:00:48,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:00:48,430 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:00:48,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:00:48,754 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:00:48,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:00:48,835 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:00:48,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48 WrapperNode [2019-11-20 00:00:48,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:00:48,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:00:48,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:00:48,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:00:48,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:00:48,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:00:48,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:00:48,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:00:48,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... [2019-11-20 00:00:48,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:00:48,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:00:48,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:00:48,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:00:48,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 [2019-11-20 00:00:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:00:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 00:00:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:00:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 00:00:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:00:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:00:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:00:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:00:49,699 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:00:49,699 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 00:00:49,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:49 BoogieIcfgContainer [2019-11-20 00:00:49,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:00:49,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:00:49,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:00:49,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:00:49,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:00:48" (1/3) ... [2019-11-20 00:00:49,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5247a0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:49, skipping insertion in model container [2019-11-20 00:00:49,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:48" (2/3) ... [2019-11-20 00:00:49,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5247a0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:49, skipping insertion in model container [2019-11-20 00:00:49,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:49" (3/3) ... [2019-11-20 00:00:49,710 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-11-20 00:00:49,720 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:00:49,728 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:00:49,741 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:00:49,766 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:00:49,766 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:00:49,767 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:00:49,767 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:00:49,767 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:00:49,767 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:00:49,768 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:00:49,768 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:00:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-20 00:00:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 00:00:49,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:00:49,791 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:00:49,792 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:00:49,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:00:49,798 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-20 00:00:49,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:00:49,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125897222] [2019-11-20 00:00:49,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:00:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:00:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:00:49,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125897222] [2019-11-20 00:00:49,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:00:49,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:00:49,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762931229] [2019-11-20 00:00:49,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:00:49,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:00:49,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:00:49,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:00:49,948 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-20 00:00:49,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:00:49,971 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-20 00:00:49,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:00:49,973 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-20 00:00:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:00:49,982 INFO L225 Difference]: With dead ends: 96 [2019-11-20 00:00:49,983 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 00:00:49,986 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 [2019-11-20 00:00:50,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 00:00:50,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-20 00:00:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 00:00:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-20 00:00:50,026 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-20 00:00:50,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:00:50,027 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-20 00:00:50,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:00:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-20 00:00:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 00:00:50,028 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:00:50,029 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:00:50,029 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:00:50,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:00:50,030 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-20 00:00:50,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:00:50,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138558435] [2019-11-20 00:00:50,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:00:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:00:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:00:50,134 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:00:50,134 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 00:00:50,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:00:50 BoogieIcfgContainer [2019-11-20 00:00:50,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:00:50,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:00:50,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:00:50,168 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:00:50,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:49" (3/4) ... [2019-11-20 00:00:50,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:00:50,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:00:50,175 INFO L168 Benchmark]: Toolchain (without parser) took 1787.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:00:50,175 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:00:50,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:00:50,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:00:50,178 INFO L168 Benchmark]: Boogie Preprocessor took 43.10 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. [2019-11-20 00:00:50,178 INFO L168 Benchmark]: RCFGBuilder took 765.50 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:00:50,179 INFO L168 Benchmark]: TraceAbstraction took 465.02 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:00:50,180 INFO L168 Benchmark]: Witness Printer took 5.11 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. [2019-11-20 00:00:50,184 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 448.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.10 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 765.50 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 465.02 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double res = __ieee754_sqrt(x); [L18] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L144] COND TRUE !isnan_double(res) [L145] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 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=49occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 00:00:52,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:00:52,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:00:52,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:00:52,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:00:52,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:00:52,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:00:52,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:00:52,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:00:52,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:00:52,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:00:52,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:00:52,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:00:52,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:00:52,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:00:52,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:00:52,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:00:52,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:00:52,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:00:52,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:00:52,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:00:52,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:00:52,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:00:52,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:00:52,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:00:52,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:00:52,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:00:52,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:00:52,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:00:52,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:00:52,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:00:52,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:00:52,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:00:52,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:00:52,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:00:52,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:00:52,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:00:52,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:00:52,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:00:52,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:00:52,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:00:52,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 00:00:52,537 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:00:52,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:00:52,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:00:52,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:00:52,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:00:52,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:00:52,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:00:52,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:00:52,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:00:52,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:00:52,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:00:52,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:00:52,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:00:52,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:00:52,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:00:52,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:00:52,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:00:52,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:00:52,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:00:52,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:00:52,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:00:52,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:00:52,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:00:52,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:00:52,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:00:52,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:00:52,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:00:52,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:00:52,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:00:52,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:00:52,547 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_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2019-11-20 00:00:52,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:00:52,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:00:52,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:00:52,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:00:52,964 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:00:52,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-20 00:00:53,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/c74099039/da70ba7dd5a04805a64d81b360a5698c/FLAG06e6e1cd9 [2019-11-20 00:00:53,534 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:00:53,537 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-20 00:00:53,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/c74099039/da70ba7dd5a04805a64d81b360a5698c/FLAG06e6e1cd9 [2019-11-20 00:00:53,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/data/c74099039/da70ba7dd5a04805a64d81b360a5698c [2019-11-20 00:00:53,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:00:53,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:00:53,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:00:53,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:00:53,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:00:53,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:53" (1/1) ... [2019-11-20 00:00:53,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ba63b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:53, skipping insertion in model container [2019-11-20 00:00:53,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:53" (1/1) ... [2019-11-20 00:00:53,917 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:00:53,942 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:00:54,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:00:54,167 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:00:54,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:00:54,325 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:00:54,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54 WrapperNode [2019-11-20 00:00:54,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:00:54,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:00:54,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:00:54,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:00:54,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:00:54,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:00:54,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:00:54,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:00:54,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... [2019-11-20 00:00:54,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:00:54,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:00:54,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:00:54,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:00:54,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 [2019-11-20 00:00:54,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 00:00:54,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 00:00:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:00:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 00:00:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:00:54,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:00:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 00:00:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:00:58,932 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:00:58,933 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 00:00:58,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:58 BoogieIcfgContainer [2019-11-20 00:00:58,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:00:58,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:00:58,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:00:58,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:00:58,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:00:53" (1/3) ... [2019-11-20 00:00:58,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f12d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:58, skipping insertion in model container [2019-11-20 00:00:58,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:54" (2/3) ... [2019-11-20 00:00:58,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f12d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:58, skipping insertion in model container [2019-11-20 00:00:58,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:58" (3/3) ... [2019-11-20 00:00:58,944 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-11-20 00:00:58,953 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:00:58,961 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:00:58,971 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:00:58,995 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:00:58,995 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:00:58,995 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:00:58,995 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:00:58,996 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:00:58,996 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:00:58,996 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:00:58,996 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:00:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-20 00:00:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 00:00:59,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:00:59,016 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:00:59,017 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:00:59,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:00:59,023 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-20 00:00:59,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:00:59,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095983723] [2019-11-20 00:00:59,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 [2019-11-20 00:00:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:00:59,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 00:00:59,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:00:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:00:59,540 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:00:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:00:59,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095983723] [2019-11-20 00:00:59,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:00:59,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 00:00:59,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345093292] [2019-11-20 00:00:59,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:00:59,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:00:59,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:00:59,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:00:59,572 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-20 00:00:59,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:00:59,598 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-20 00:00:59,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:00:59,600 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-20 00:00:59,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:00:59,613 INFO L225 Difference]: With dead ends: 96 [2019-11-20 00:00:59,613 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 00:00:59,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:00:59,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 00:00:59,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-20 00:00:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 00:00:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-20 00:00:59,666 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-20 00:00:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:00:59,666 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-20 00:00:59,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:00:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-20 00:00:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 00:00:59,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:00:59,668 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:00:59,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 00:00:59,875 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:00:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:00:59,876 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-20 00:00:59,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:00:59,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322275221] [2019-11-20 00:00:59,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 [2019-11-20 00:01:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:01:00,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 00:01:00,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:01:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:01:00,532 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:01:21,922 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 9 [2019-11-20 00:01:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:01:21,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322275221] [2019-11-20 00:01:21,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:01:21,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-20 00:01:21,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720269543] [2019-11-20 00:01:21,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 00:01:21,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:01:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 00:01:21,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=47, Unknown=7, NotChecked=0, Total=72 [2019-11-20 00:01:21,931 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 9 states. [2019-11-20 00:01:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:01:26,530 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-11-20 00:01:26,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:01:26,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2019-11-20 00:01:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:01:26,532 INFO L225 Difference]: With dead ends: 51 [2019-11-20 00:01:26,532 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 00:01:26,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=42, Invalid=83, Unknown=7, NotChecked=0, Total=132 [2019-11-20 00:01:26,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 00:01:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-20 00:01:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 00:01:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2019-11-20 00:01:26,546 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2019-11-20 00:01:26,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:01:26,547 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2019-11-20 00:01:26,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 00:01:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2019-11-20 00:01:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 00:01:26,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:01:26,557 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:01:26,765 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 00:01:26,765 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:01:26,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:01:26,766 INFO L82 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2019-11-20 00:01:26,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:01:26,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824034674] [2019-11-20 00:01:26,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/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 [2019-11-20 00:01:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:01:26,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 00:01:26,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:01:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:01:26,948 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:01:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:01:29,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824034674] [2019-11-20 00:01:29,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:01:29,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 00:01:29,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724018456] [2019-11-20 00:01:29,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 00:01:29,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:01:29,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 00:01:29,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2019-11-20 00:01:29,040 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 6 states. [2019-11-20 00:01:29,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:01:29,109 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2019-11-20 00:01:29,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:01:29,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-20 00:01:29,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:01:29,110 INFO L225 Difference]: With dead ends: 46 [2019-11-20 00:01:29,110 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:01:29,111 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2019-11-20 00:01:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:01:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:01:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:01:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:01:29,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-20 00:01:29,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:01:29,113 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:01:29,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 00:01:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:01:29,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:01:29,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 00:01:29,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:01:29,439 INFO L444 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-11-20 00:01:29,440 INFO L444 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-11-20 00:01:29,440 INFO L440 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-11-20 00:01:29,440 INFO L444 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-11-20 00:01:29,440 INFO L444 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-11-20 00:01:29,440 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:01:29,440 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-11-20 00:01:29,441 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:01:29,441 INFO L444 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-11-20 00:01:29,441 INFO L444 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-11-20 00:01:29,441 INFO L440 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (= ULTIMATE.start___ieee754_sqrt_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2019-11-20 00:01:29,441 INFO L444 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-11-20 00:01:29,441 INFO L444 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-11-20 00:01:29,441 INFO L440 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-11-20 00:01:29,442 INFO L444 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-11-20 00:01:29,442 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2019-11-20 00:01:29,442 INFO L444 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-20 00:01:29,442 INFO L444 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-11-20 00:01:29,442 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-11-20 00:01:29,443 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-20 00:01:29,443 INFO L444 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-11-20 00:01:29,443 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-20 00:01:29,443 INFO L440 ceAbstractionStarter]: At program point L129(lines 22 130) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0))) [2019-11-20 00:01:29,443 INFO L444 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-11-20 00:01:29,443 INFO L444 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L444 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L444 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L440 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-11-20 00:01:29,444 INFO L444 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L444 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-11-20 00:01:29,444 INFO L440 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-20 00:01:29,445 INFO L444 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-20 00:01:29,445 INFO L444 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-11-20 00:01:29,445 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 00:01:29,445 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-20 00:01:29,445 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-11-20 00:01:29,445 INFO L440 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-11-20 00:01:29,446 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:01:29,447 INFO L447 ceAbstractionStarter]: At program point L149(lines 132 150) the Hoare annotation is: true [2019-11-20 00:01:29,447 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-20 00:01:29,447 INFO L440 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-20 00:01:29,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,463 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,463 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:01:29 BoogieIcfgContainer [2019-11-20 00:01:29,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:01:29,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:01:29,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:01:29,476 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:01:29,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:58" (3/4) ... [2019-11-20 00:01:29,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:01:29,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 00:01:29,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 00:01:29,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 00:01:29,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-20 00:01:29,528 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-20 00:01:29,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ed961b6-7597-4e63-9a3b-99867e3ed511/bin/uautomizer/witness.graphml [2019-11-20 00:01:29,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:01:29,590 INFO L168 Benchmark]: Toolchain (without parser) took 35692.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.8 MB in the beginning and 986.9 MB in the end (delta: -25.1 MB). Peak memory consumption was 115.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:01:29,591 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:01:29,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:01:29,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.66 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. [2019-11-20 00:01:29,592 INFO L168 Benchmark]: Boogie Preprocessor took 94.74 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. [2019-11-20 00:01:29,593 INFO L168 Benchmark]: RCFGBuilder took 4456.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:01:29,593 INFO L168 Benchmark]: TraceAbstraction took 30540.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.5 MB in the end (delta: 98.1 MB). Peak memory consumption was 98.1 MB. Max. memory is 11.5 GB. [2019-11-20 00:01:29,594 INFO L168 Benchmark]: Witness Printer took 112.38 ms. Allocated memory is still 1.2 GB. Free memory was 993.5 MB in the beginning and 986.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:01:29,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 427.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.74 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 4456.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30540.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.5 MB in the end (delta: 98.1 MB). Peak memory consumption was 98.1 MB. Max. memory is 11.5 GB. * Witness Printer took 112.38 ms. Allocated memory is still 1.2 GB. Free memory was 993.5 MB in the beginning and 986.9 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 28]: Loop Invariant [2019-11-20 00:01:29,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-11-20 00:01:29,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 18]: Loop Invariant [2019-11-20 00:01:29,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:01:29,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 30.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 130 SDtfs, 69 SDslu, 236 SDs, 0 SdLazy, 34 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 25.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 65 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 3 QuantifiedInterpolants, 4050 SizeOfPredicates, 13 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...