./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 43a504f2a78cd97f2f59239768b095c018a8cdcb ................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 43a504f2a78cd97f2f59239768b095c018a8cdcb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:07,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:07,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:07,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:07,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:07,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:07,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:07,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:07,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:07,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:07,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:07,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:07,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:07,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:07,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:07,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:07,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:07,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:07,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:07,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:07,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:07,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:07,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:07,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:07,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:07,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:07,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:07,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:07,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:07,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:07,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:07,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:07,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:07,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:07,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:07,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:07,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:07,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:07,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:07,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:07,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:07,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:07,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:07,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:07,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:07,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:07,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:07,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:07,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:07,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:07,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:07,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:07,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:07,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:07,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:07,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:07,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:07,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:07,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:07,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:07,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:07,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:07,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:07,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:07,100 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/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2019-10-22 08:57:07,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:07,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:07,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:07,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:07,150 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:07,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-10-22 08:57:07,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/600af544f/5d85bf43039a48c78152ee0b45377b04/FLAG1d44654ee [2019-10-22 08:57:07,619 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:07,620 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-10-22 08:57:07,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/600af544f/5d85bf43039a48c78152ee0b45377b04/FLAG1d44654ee [2019-10-22 08:57:07,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/600af544f/5d85bf43039a48c78152ee0b45377b04 [2019-10-22 08:57:07,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:07,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:07,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:07,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:07,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:07,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:07" (1/1) ... [2019-10-22 08:57:07,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e958510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:07, skipping insertion in model container [2019-10-22 08:57:07,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:07" (1/1) ... [2019-10-22 08:57:07,664 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:07,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:07,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:07,950 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:08,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:08,033 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:08,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08 WrapperNode [2019-10-22 08:57:08,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:08,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:08,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:08,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:08,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:08,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:08,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:08,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:08,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:08,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:08,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:08,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:08,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 [2019-10-22 08:57:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:57:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:57:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:57:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:57:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:08,580 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:08,580 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-10-22 08:57:08,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:08 BoogieIcfgContainer [2019-10-22 08:57:08,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:08,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:08,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:08,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:08,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:07" (1/3) ... [2019-10-22 08:57:08,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659d785c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:08, skipping insertion in model container [2019-10-22 08:57:08,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (2/3) ... [2019-10-22 08:57:08,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659d785c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:08, skipping insertion in model container [2019-10-22 08:57:08,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:08" (3/3) ... [2019-10-22 08:57:08,588 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2019-10-22 08:57:08,594 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:08,601 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:08,609 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:08,630 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:08,630 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:08,631 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:08,631 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:08,631 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:08,631 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:08,631 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:08,631 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-10-22 08:57:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:57:08,650 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:08,651 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:08,652 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:08,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-10-22 08:57:08,665 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:08,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842060359] [2019-10-22 08:57:08,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:08,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842060359] [2019-10-22 08:57:08,762 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:08,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:08,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297415665] [2019-10-22 08:57:08,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:57:08,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:08,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:57:08,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:08,781 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-10-22 08:57:08,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:08,800 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-10-22 08:57:08,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:08,801 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-10-22 08:57:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:08,810 INFO L225 Difference]: With dead ends: 86 [2019-10-22 08:57:08,810 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 08:57:08,813 INFO L600 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 [2019-10-22 08:57:08,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 08:57:08,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-22 08:57:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-22 08:57:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-10-22 08:57:08,848 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-10-22 08:57:08,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:08,848 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-10-22 08:57:08,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:57:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-10-22 08:57:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:57:08,849 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:08,849 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:08,849 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:08,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:08,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-10-22 08:57:08,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:08,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587215893] [2019-10-22 08:57:08,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:08,948 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:08,949 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:57:08,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:08 BoogieIcfgContainer [2019-10-22 08:57:08,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:08,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:08,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:08,992 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:08,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:08" (3/4) ... [2019-10-22 08:57:08,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:08,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:08,997 INFO L168 Benchmark]: Toolchain (without parser) took 1350.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -109.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:08,999 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:08,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:09,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:09,000 INFO L168 Benchmark]: Boogie Preprocessor took 33.56 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:09,001 INFO L168 Benchmark]: RCFGBuilder took 465.57 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: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:09,001 INFO L168 Benchmark]: TraceAbstraction took 408.04 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:09,001 INFO L168 Benchmark]: Witness Printer took 4.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:09,004 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.56 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 465.57 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: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 408.04 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.04 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: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float x = -1.0f / 0.0f; [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L155] float res = __ieee754_log10f(x); [L145] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L158] COND TRUE !isnan_float(res) [L159] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 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=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:10,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:10,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:10,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-22 08:57:10,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:10,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:10,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:10,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:10,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:10,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:10,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:10,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:10,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:10,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:10,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:10,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:10,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-22 08:57:10,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:10,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:10,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:10,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:10,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:10,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:10,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:10,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:10,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:10,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:10,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:10,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:57:10,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:10,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:10,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:10,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:10,984 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:10,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:10,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:57:10,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:57:10,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:10,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:10,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:10,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:10,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:10,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:10,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:10,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:10,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:10,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:10,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:10,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:10,987 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:57:10,987 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:57:10,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:10,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:57:10,988 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2019-10-22 08:57:11,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:11,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:11,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:11,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:11,028 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:11,029 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-10-22 08:57:11,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/e0a7b5332/206f2a29902f4b55b3517ded616a22bb/FLAG0263a8842 [2019-10-22 08:57:11,490 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:11,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-10-22 08:57:11,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/e0a7b5332/206f2a29902f4b55b3517ded616a22bb/FLAG0263a8842 [2019-10-22 08:57:11,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/data/e0a7b5332/206f2a29902f4b55b3517ded616a22bb [2019-10-22 08:57:11,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:11,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:11,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:11,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:11,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:11,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:11" (1/1) ... [2019-10-22 08:57:11,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a53413c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:11, skipping insertion in model container [2019-10-22 08:57:11,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:11" (1/1) ... [2019-10-22 08:57:11,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:11,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:12,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:12,163 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:12,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:12,308 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:12,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12 WrapperNode [2019-10-22 08:57:12,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:12,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:12,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:12,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:12,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:12,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:12,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:12,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:12,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... [2019-10-22 08:57:12,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:12,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:12,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:12,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:12,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 [2019-10-22 08:57:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 08:57:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:57:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 08:57:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:57:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:27,053 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:27,053 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-10-22 08:57:27,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:27 BoogieIcfgContainer [2019-10-22 08:57:27,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:27,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:27,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:27,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:27,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:11" (1/3) ... [2019-10-22 08:57:27,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7949631c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:27, skipping insertion in model container [2019-10-22 08:57:27,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:12" (2/3) ... [2019-10-22 08:57:27,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7949631c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:27, skipping insertion in model container [2019-10-22 08:57:27,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:27" (3/3) ... [2019-10-22 08:57:27,062 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2019-10-22 08:57:27,071 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:27,078 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:27,087 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:27,106 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:27,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:27,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:27,106 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:27,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:27,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:27,107 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:27,107 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-10-22 08:57:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:57:27,121 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:27,122 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:27,123 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:27,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:27,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-10-22 08:57:27,137 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:27,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537241837] [2019-10-22 08:57:27,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 [2019-10-22 08:57:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:27,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 08:57:27,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:27,477 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:27,482 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537241837] [2019-10-22 08:57:27,482 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:27,483 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 08:57:27,483 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938492320] [2019-10-22 08:57:27,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:57:27,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:27,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:57:27,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:27,503 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-10-22 08:57:27,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:27,523 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-10-22 08:57:27,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:27,524 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-10-22 08:57:27,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:27,533 INFO L225 Difference]: With dead ends: 86 [2019-10-22 08:57:27,534 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 08:57:27,537 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:27,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 08:57:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-22 08:57:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-22 08:57:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-10-22 08:57:27,579 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-10-22 08:57:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:27,579 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-10-22 08:57:27,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:57:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-10-22 08:57:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:57:27,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:27,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:27,781 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:57:27,781 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:27,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:27,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-10-22 08:57:27,782 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:27,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320371269] [2019-10-22 08:57:27,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 [2019-10-22 08:57:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:27,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 08:57:27,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:28,039 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:28,101 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320371269] [2019-10-22 08:57:28,102 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:28,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 08:57:28,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784564139] [2019-10-22 08:57:28,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:28,105 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:28,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:28,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:28,106 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 6 states. [2019-10-22 08:57:28,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:28,346 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2019-10-22 08:57:28,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:28,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-22 08:57:28,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:28,347 INFO L225 Difference]: With dead ends: 46 [2019-10-22 08:57:28,347 INFO L226 Difference]: Without dead ends: 12 [2019-10-22 08:57:28,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:28,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-22 08:57:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-10-22 08:57:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-22 08:57:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-10-22 08:57:28,351 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2019-10-22 08:57:28,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:28,351 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-10-22 08:57:28,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-10-22 08:57:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:57:28,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:28,352 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:28,553 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:57:28,553 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:28,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:28,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2019-10-22 08:57:28,554 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:28,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785190357] [2019-10-22 08:57:28,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/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 [2019-10-22 08:57:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:28,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 08:57:28,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:28,875 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:33,471 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-10-22 08:57:33,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:33,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785190357] [2019-10-22 08:57:33,480 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:33,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-10-22 08:57:33,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443547056] [2019-10-22 08:57:33,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:57:33,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:33,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:57:33,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:33,482 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 10 states. [2019-10-22 08:57:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:33,890 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-10-22 08:57:33,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:33,891 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-10-22 08:57:33,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:33,891 INFO L225 Difference]: With dead ends: 12 [2019-10-22 08:57:33,891 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:33,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:57:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:33,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:33,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-10-22 08:57:33,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:33,893 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:33,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:57:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:33,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:34,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:57:34,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:34,201 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-22 08:57:34,201 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-10-22 08:57:34,202 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-10-22 08:57:34,202 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2019-10-22 08:57:34,202 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2019-10-22 08:57:34,203 INFO L443 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2019-10-22 08:57:34,203 INFO L439 ceAbstractionStarter]: At program point L94(lines 20 96) the Hoare annotation is: false [2019-10-22 08:57:34,203 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:34,203 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:34,203 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2019-10-22 08:57:34,203 INFO L443 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2019-10-22 08:57:34,204 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-10-22 08:57:34,204 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= ~zero~0 .cse0) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) .cse1) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) [2019-10-22 08:57:34,204 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2019-10-22 08:57:34,204 INFO L446 ceAbstractionStarter]: At program point L163(lines 147 164) the Hoare annotation is: true [2019-10-22 08:57:34,204 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-10-22 08:57:34,205 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-10-22 08:57:34,205 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-10-22 08:57:34,205 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2019-10-22 08:57:34,205 INFO L443 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2019-10-22 08:57:34,205 INFO L439 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2019-10-22 08:57:34,205 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:34,205 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2019-10-22 08:57:34,206 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-10-22 08:57:34,206 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2019-10-22 08:57:34,206 INFO L443 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2019-10-22 08:57:34,206 INFO L443 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-10-22 08:57:34,207 INFO L439 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2019-10-22 08:57:34,207 INFO L443 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-10-22 08:57:34,207 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2019-10-22 08:57:34,207 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-10-22 08:57:34,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:34,207 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2019-10-22 08:57:34,207 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2019-10-22 08:57:34,208 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-10-22 08:57:34,208 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2019-10-22 08:57:34,208 INFO L439 ceAbstractionStarter]: At program point L141(lines 105 142) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= ~zero~0 .cse0) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) .cse1))) [2019-10-22 08:57:34,208 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 161) no Hoare annotation was computed. [2019-10-22 08:57:34,208 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-10-22 08:57:34,208 INFO L439 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: false [2019-10-22 08:57:34,209 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2019-10-22 08:57:34,209 INFO L439 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) [2019-10-22 08:57:34,209 INFO L443 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2019-10-22 08:57:34,209 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-10-22 08:57:34,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:34 BoogieIcfgContainer [2019-10-22 08:57:34,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:34,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:34,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:34,243 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:34,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:27" (3/4) ... [2019-10-22 08:57:34,247 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:34,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-10-22 08:57:34,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:57:34,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-10-22 08:57:34,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-10-22 08:57:34,333 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38632133-65ef-44f9-86cf-714bb23b683c/bin/uautomizer/witness.graphml [2019-10-22 08:57:34,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:34,338 INFO L168 Benchmark]: Toolchain (without parser) took 22455.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 947.0 MB in the beginning and 990.8 MB in the end (delta: -43.8 MB). Peak memory consumption was 114.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:34,338 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:34,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:34,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:34,339 INFO L168 Benchmark]: Boogie Preprocessor took 34.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:34,339 INFO L168 Benchmark]: RCFGBuilder took 14661.68 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:34,340 INFO L168 Benchmark]: TraceAbstraction took 7186.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.3 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:34,340 INFO L168 Benchmark]: Witness Printer took 93.76 ms. Allocated memory is still 1.2 GB. Free memory was 997.3 MB in the beginning and 990.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:34,342 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 425.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.25 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 34.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14661.68 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7186.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.3 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * Witness Printer took 93.76 ms. Allocated memory is still 1.2 GB. Free memory was 997.3 MB in the beginning and 990.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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 - 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 - 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: 159]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant [2019-10-22 08:57:34,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant [2019-10-22 08:57:34,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 105]: Loop Invariant [2019-10-22 08:57:34,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:34,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 7.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 71 SDtfs, 29 SDslu, 26 SDs, 0 SdLazy, 24 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 131 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 1 QuantifiedInterpolants, 3908 SizeOfPredicates, 14 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 19 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...