./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 05489f97023e2a5894acdd30001ad3ce1a478731 ................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 05489f97023e2a5894acdd30001ad3ce1a478731 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:29:10,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:29:10,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:29:10,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:29:10,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:29:10,186 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:29:10,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:29:10,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:29:10,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:29:10,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:29:10,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:29:10,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:29:10,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:29:10,190 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:29:10,191 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:29:10,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:29:10,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:29:10,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:29:10,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:29:10,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:29:10,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:29:10,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:29:10,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:29:10,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:29:10,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:29:10,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:29:10,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:29:10,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:29:10,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:29:10,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:29:10,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:29:10,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:29:10,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:29:10,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:29:10,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:29:10,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:29:10,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 12:29:10,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:29:10,210 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:29:10,211 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:29:10,211 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:29:10,211 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:29:10,211 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:29:10,211 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:29:10,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:29:10,212 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:29:10,213 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:29:10,213 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:29:10,213 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:29:10,213 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:29:10,213 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:29:10,213 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:29:10,213 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:29:10,214 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:29:10,214 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 -> 05489f97023e2a5894acdd30001ad3ce1a478731 [2018-12-09 12:29:10,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:29:10,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:29:10,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:29:10,242 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:29:10,242 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:29:10,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c [2018-12-09 12:29:10,277 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/8d08ba425/47b06908718848edbf74a129179973c6/FLAG245e19938 [2018-12-09 12:29:10,731 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:29:10,731 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c [2018-12-09 12:29:10,735 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/8d08ba425/47b06908718848edbf74a129179973c6/FLAG245e19938 [2018-12-09 12:29:10,744 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/8d08ba425/47b06908718848edbf74a129179973c6 [2018-12-09 12:29:10,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:29:10,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:29:10,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:29:10,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:29:10,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:29:10,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409ee820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10, skipping insertion in model container [2018-12-09 12:29:10,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:29:10,764 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:29:10,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:29:10,856 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:29:10,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:29:10,877 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:29:10,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10 WrapperNode [2018-12-09 12:29:10,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:29:10,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:29:10,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:29:10,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:29:10,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:29:10,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:29:10,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:29:10,890 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:29:10,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... [2018-12-09 12:29:10,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:29:10,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:29:10,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:29:10,903 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:29:10,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 [2018-12-09 12:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 12:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 12:29:11,054 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:29:11,054 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:29:11,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:11 BoogieIcfgContainer [2018-12-09 12:29:11,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:29:11,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:29:11,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:29:11,057 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:29:11,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:29:10" (1/3) ... [2018-12-09 12:29:11,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f54c9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:29:11, skipping insertion in model container [2018-12-09 12:29:11,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:10" (2/3) ... [2018-12-09 12:29:11,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f54c9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:29:11, skipping insertion in model container [2018-12-09 12:29:11,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:11" (3/3) ... [2018-12-09 12:29:11,059 INFO L112 eAbstractionObserver]: Analyzing ICFG rlim_invariant_true-unreach-call_true-termination.c [2018-12-09 12:29:11,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:29:11,069 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:29:11,079 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:29:11,097 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:29:11,097 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:29:11,097 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:29:11,097 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:29:11,097 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:29:11,097 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:29:11,098 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:29:11,098 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:29:11,098 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:29:11,108 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-12-09 12:29:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:29:11,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:11,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:11,113 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:11,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:11,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1318063581, now seen corresponding path program 1 times [2018-12-09 12:29:11,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:29:11,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:29:11,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:11,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:11,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:29:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:29:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:29:11,187 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:29:11,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:29:11 BoogieIcfgContainer [2018-12-09 12:29:11,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:29:11,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:29:11,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:29:11,202 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:29:11,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:11" (3/4) ... [2018-12-09 12:29:11,204 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 12:29:11,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:29:11,205 INFO L168 Benchmark]: Toolchain (without parser) took 459.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:29:11,206 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:29:11,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.55 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:29:11,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.05 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:29:11,208 INFO L168 Benchmark]: Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:29:11,208 INFO L168 Benchmark]: RCFGBuilder took 151.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:29:11,208 INFO L168 Benchmark]: TraceAbstraction took 146.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:29:11,209 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:29:11,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.55 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.05 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 151.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 146.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 27, overapproximation of to_real at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 24. Possible FailurePath: [L9] float X, Y, S, R, D; [L10] int i; [L12] Y = 0 [L14] i = 0 VAL [i=0] [L14] COND TRUE i < 100000 [L16] X = __VERIFIER_nondet_float() [L17] D = __VERIFIER_nondet_float() [L21] S = Y [L22] Y = X [L23] R = X - S VAL [D=3, i=0, S=4, X=2, Y=2] [L24] COND TRUE R <= -D [L24] Y = S - D VAL [D=3, i=0, S=4, X=2] [L27] CALL __VERIFIER_assert(Y >= -129.f && Y <= 129.f) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-635dfa2 [2018-12-09 12:29:12,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:29:12,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:29:12,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:29:12,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:29:12,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:29:12,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:29:12,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:29:12,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:29:12,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:29:12,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:29:12,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:29:12,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:29:12,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:29:12,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:29:12,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:29:12,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:29:12,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:29:12,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:29:12,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:29:12,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:29:12,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:29:12,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:29:12,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:29:12,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:29:12,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:29:12,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:29:12,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:29:12,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:29:12,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:29:12,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:29:12,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:29:12,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:29:12,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:29:12,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:29:12,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:29:12,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 12:29:12,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:29:12,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:29:12,595 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:29:12,595 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:29:12,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:29:12,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:29:12,595 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:29:12,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:29:12,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:29:12,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:29:12,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:29:12,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:29:12,597 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:29:12,598 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:29:12,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 -> 05489f97023e2a5894acdd30001ad3ce1a478731 [2018-12-09 12:29:12,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:29:12,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:29:12,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:29:12,629 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:29:12,629 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:29:12,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c [2018-12-09 12:29:12,674 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/447d2d054/42d1527043564b79927fb1317d656d8a/FLAGad40ee249 [2018-12-09 12:29:13,075 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:29:13,075 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/sv-benchmarks/c/float-benchs/rlim_invariant_true-unreach-call_true-termination.c [2018-12-09 12:29:13,078 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/447d2d054/42d1527043564b79927fb1317d656d8a/FLAGad40ee249 [2018-12-09 12:29:13,086 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/data/447d2d054/42d1527043564b79927fb1317d656d8a [2018-12-09 12:29:13,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:29:13,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:29:13,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:29:13,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:29:13,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:29:13,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e9f969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13, skipping insertion in model container [2018-12-09 12:29:13,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:29:13,113 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:29:13,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:29:13,204 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:29:13,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:29:13,223 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:29:13,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13 WrapperNode [2018-12-09 12:29:13,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:29:13,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:29:13,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:29:13,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:29:13,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:29:13,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:29:13,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:29:13,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:29:13,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... [2018-12-09 12:29:13,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:29:13,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:29:13,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:29:13,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:29:13,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 [2018-12-09 12:29:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:29:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:29:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:29:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:29:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:29:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:29:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 12:29:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 12:29:13,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:29:13,491 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:29:13,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:13 BoogieIcfgContainer [2018-12-09 12:29:13,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:29:13,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:29:13,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:29:13,494 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:29:13,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:29:13" (1/3) ... [2018-12-09 12:29:13,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e28185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:29:13, skipping insertion in model container [2018-12-09 12:29:13,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:13" (2/3) ... [2018-12-09 12:29:13,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e28185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:29:13, skipping insertion in model container [2018-12-09 12:29:13,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:13" (3/3) ... [2018-12-09 12:29:13,496 INFO L112 eAbstractionObserver]: Analyzing ICFG rlim_invariant_true-unreach-call_true-termination.c [2018-12-09 12:29:13,501 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:29:13,506 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:29:13,515 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:29:13,531 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:29:13,532 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:29:13,532 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:29:13,532 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:29:13,532 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:29:13,532 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:29:13,532 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:29:13,532 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:29:13,532 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:29:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-12-09 12:29:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:29:13,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:13,546 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:13,547 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:13,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:13,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1318063581, now seen corresponding path program 1 times [2018-12-09 12:29:13,553 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:29:13,553 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 [2018-12-09 12:29:13,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:13,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:29:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:13,743 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:29:13,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:29:13,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:29:13,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:29:13,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:29:13,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:29:13,763 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 7 states. [2018-12-09 12:29:14,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:14,388 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2018-12-09 12:29:14,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:29:14,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2018-12-09 12:29:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:14,395 INFO L225 Difference]: With dead ends: 59 [2018-12-09 12:29:14,395 INFO L226 Difference]: Without dead ends: 29 [2018-12-09 12:29:14,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:29:14,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-12-09 12:29:14,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2018-12-09 12:29:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-09 12:29:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-12-09 12:29:14,422 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 11 [2018-12-09 12:29:14,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:14,422 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-12-09 12:29:14,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:29:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-12-09 12:29:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:29:14,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:14,423 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:14,423 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:14,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:14,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2122469141, now seen corresponding path program 1 times [2018-12-09 12:29:14,424 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:29:14,424 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 [2018-12-09 12:29:14,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:14,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:29:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:14,561 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:29:14,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:29:14,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:29:14,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:29:14,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:29:14,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:29:14,569 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 7 states. [2018-12-09 12:29:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:15,066 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2018-12-09 12:29:15,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:29:15,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-12-09 12:29:15,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:15,068 INFO L225 Difference]: With dead ends: 36 [2018-12-09 12:29:15,068 INFO L226 Difference]: Without dead ends: 34 [2018-12-09 12:29:15,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:29:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-09 12:29:15,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2018-12-09 12:29:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-12-09 12:29:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2018-12-09 12:29:15,073 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 12 [2018-12-09 12:29:15,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:15,073 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2018-12-09 12:29:15,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:29:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-09 12:29:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:29:15,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:15,074 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:15,074 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:15,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2124316183, now seen corresponding path program 1 times [2018-12-09 12:29:15,074 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:29:15,074 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/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 [2018-12-09 12:29:15,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:15,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:29:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:15,131 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:29:15,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:29:15,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:29:15,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:29:15,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:29:15,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:29:15,139 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2018-12-09 12:29:15,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:29:15,427 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-12-09 12:29:15,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:29:15,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-12-09 12:29:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:29:15,428 INFO L225 Difference]: With dead ends: 33 [2018-12-09 12:29:15,428 INFO L226 Difference]: Without dead ends: 31 [2018-12-09 12:29:15,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:29:15,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-09 12:29:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2018-12-09 12:29:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-12-09 12:29:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2018-12-09 12:29:15,432 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 12 [2018-12-09 12:29:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:29:15,432 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2018-12-09 12:29:15,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:29:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-09 12:29:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:29:15,433 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:29:15,433 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:29:15,433 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:29:15,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:29:15,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1652314147, now seen corresponding path program 1 times [2018-12-09 12:29:15,433 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:29:15,433 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 12:29:15,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:15,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:29:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:29:20,201 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:29:22,397 WARN L180 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-09 12:29:30,049 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-09 12:29:56,721 WARN L180 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2018-12-09 12:29:56,730 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:29:56,730 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:29:56,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:29:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:57,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:30:01,025 WARN L180 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 29 [2018-12-09 12:30:14,861 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-09 12:30:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:30:15,447 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:30:17,319 WARN L180 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-09 12:30:39,168 WARN L180 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 12:30:41,216 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven 129.0))) (let ((.cse1 (not (fp.geq c_main_~Y~0 (fp.neg .cse4)))) (.cse2 (not (fp.leq c_main_~Y~0 .cse4)))) (and (or (forall ((v_main_~D~0_8 (_ FloatingPoint 8 24)) (v_main_~X~0_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (or (not (fp.leq v_main_~D~0_8 ((_ to_fp 8 24) roundNearestTiesToEven 16.0))) (fp.geq (fp.sub roundNearestTiesToEven c_main_~Y~0 v_main_~D~0_8) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 129.0))) (not (fp.leq (fp.sub roundNearestTiesToEven v_main_~X~0_4 c_main_~Y~0) (fp.neg v_main_~D~0_8))) (not (fp.leq v_main_~X~0_4 .cse0)) (not (fp.geq v_main_~X~0_4 (fp.neg .cse0))) (not (fp.geq v_main_~D~0_8 (_ +zero 8 24)))))) .cse1 .cse2) (or .cse1 .cse2 (forall ((v_prenex_4 (_ FloatingPoint 8 24)) (v_prenex_5 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (or (not (fp.leq v_prenex_4 ((_ to_fp 8 24) roundNearestTiesToEven 16.0))) (not (fp.geq v_prenex_5 (fp.neg .cse3))) (not (fp.geq v_prenex_4 (_ +zero 8 24))) (fp.leq (fp.sub roundNearestTiesToEven c_main_~Y~0 v_prenex_4) ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (not (fp.leq (fp.sub roundNearestTiesToEven v_prenex_5 c_main_~Y~0) (fp.neg v_prenex_4))) (not (fp.leq v_prenex_5 .cse3))))))))) is different from true [2018-12-09 12:30:41,237 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:30:41,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2018-12-09 12:30:41,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 12:30:41,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 12:30:41,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=295, Unknown=15, NotChecked=36, Total=420 [2018-12-09 12:30:41,239 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 13 states. [2018-12-09 12:30:42,972 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-12-09 12:30:55,464 WARN L180 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-09 12:31:06,961 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-12-09 12:31:23,606 WARN L180 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-09 12:31:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:29,252 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-12-09 12:31:29,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:31:29,253 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2018-12-09 12:31:29,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:29,253 INFO L225 Difference]: With dead ends: 47 [2018-12-09 12:31:29,254 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 12:31:29,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 114.2s TimeCoverageRelationStatistics Valid=138, Invalid=499, Unknown=17, NotChecked=48, Total=702 [2018-12-09 12:31:29,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 12:31:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 32. [2018-12-09 12:31:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 12:31:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-12-09 12:31:29,261 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 19 [2018-12-09 12:31:29,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:29,261 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-12-09 12:31:29,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 12:31:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-12-09 12:31:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:31:29,262 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:29,262 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:31:29,262 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:29,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:29,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1104962795, now seen corresponding path program 1 times [2018-12-09 12:31:29,263 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:31:29,263 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 12:31:29,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:29,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:31:31,872 WARN L180 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 25 [2018-12-09 12:31:33,959 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~X~0 (_ FloatingPoint 8 24)) (main_~S~0 (_ FloatingPoint 8 24)) (main_~D~0 (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.leq main_~D~0 ((_ to_fp 8 24) roundNearestTiesToEven 16.0)) (fp.geq main_~X~0 (fp.neg .cse0)) (fp.leq (fp.sub roundNearestTiesToEven main_~X~0 main_~S~0) (fp.neg main_~D~0)) (= (fp.sub roundNearestTiesToEven main_~S~0 main_~D~0) c_main_~Y~0) (fp.geq main_~D~0 (_ +zero 8 24)) (fp.geq main_~S~0 (fp.neg .cse1)) (fp.leq main_~S~0 .cse1) (fp.leq main_~X~0 .cse0)))) is different from true [2018-12-09 12:31:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:36,173 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:31:39,414 WARN L180 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-09 12:31:56,495 WARN L180 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 12:32:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:32:09,743 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:32:09,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2018-12-09 12:32:09,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 12:32:09,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 12:32:09,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=102, Unknown=5, NotChecked=20, Total=156 [2018-12-09 12:32:09,744 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 13 states. [2018-12-09 12:32:26,767 WARN L180 SmtUtils]: Spent 11.80 s on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2018-12-09 12:32:36,636 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 28 [2018-12-09 12:33:05,899 WARN L180 SmtUtils]: Spent 16.05 s on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-12-09 12:33:56,271 WARN L180 SmtUtils]: Spent 25.08 s on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-12-09 12:34:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:06,138 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2018-12-09 12:34:06,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:34:06,139 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-12-09 12:34:06,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:06,140 INFO L225 Difference]: With dead ends: 47 [2018-12-09 12:34:06,140 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 12:34:06,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 111.2s TimeCoverageRelationStatistics Valid=67, Invalid=229, Unknown=14, NotChecked=32, Total=342 [2018-12-09 12:34:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 12:34:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 24. [2018-12-09 12:34:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-12-09 12:34:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2018-12-09 12:34:06,149 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 20 [2018-12-09 12:34:06,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:06,149 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2018-12-09 12:34:06,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 12:34:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-09 12:34:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:34:06,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:06,150 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:06,151 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:06,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:06,151 INFO L82 PathProgramCache]: Analyzing trace with hash -285101803, now seen corresponding path program 2 times [2018-12-09 12:34:06,151 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:06,151 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 12:34:06,155 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-09 12:34:06,294 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:34:06,294 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:34:06,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:06,757 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-09 12:34:08,349 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 28 [2018-12-09 12:34:10,431 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~X~0 (_ FloatingPoint 8 24)) (main_~S~0 (_ FloatingPoint 8 24)) (main_~D~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (.cse1 (fp.sub roundNearestTiesToEven main_~X~0 main_~S~0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.leq main_~D~0 ((_ to_fp 8 24) roundNearestTiesToEven 16.0)) (= c_main_~Y~0 (fp.add roundNearestTiesToEven main_~S~0 main_~D~0)) (fp.geq main_~X~0 (fp.neg .cse0)) (fp.geq .cse1 main_~D~0) (fp.geq main_~D~0 (_ +zero 8 24)) (fp.geq main_~S~0 (fp.neg .cse2)) (fp.leq main_~S~0 .cse2) (not (fp.leq .cse1 (fp.neg main_~D~0))) (fp.leq main_~X~0 .cse0)))) is different from true [2018-12-09 12:34:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:12,682 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:34:15,925 WARN L180 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 12:34:19,012 WARN L180 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 12:34:36,155 WARN L180 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 50 [2018-12-09 12:34:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:48,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:34:48,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 15 [2018-12-09 12:34:48,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 12:34:48,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 12:34:48,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=4, NotChecked=24, Total=210 [2018-12-09 12:34:48,781 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 15 states. [2018-12-09 12:35:06,613 WARN L180 SmtUtils]: Spent 11.77 s on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-12-09 12:35:22,760 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-12-09 12:35:31,158 WARN L180 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 31 [2018-12-09 12:36:08,477 WARN L180 SmtUtils]: Spent 20.52 s on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-09 12:37:00,914 WARN L180 SmtUtils]: Spent 29.95 s on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-12-09 12:37:39,760 WARN L180 SmtUtils]: Spent 30.46 s on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-12-09 12:38:00,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:38:00,845 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2018-12-09 12:38:00,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 12:38:00,858 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 20 [2018-12-09 12:38:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:38:00,859 INFO L225 Difference]: With dead ends: 32 [2018-12-09 12:38:00,859 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:38:00,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 170.7s TimeCoverageRelationStatistics Valid=101, Invalid=347, Unknown=18, NotChecked=40, Total=506 [2018-12-09 12:38:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:38:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:38:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:38:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:38:00,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-12-09 12:38:00,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:38:00,860 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:38:00,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 12:38:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:38:00,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:38:00,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:38:00,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:39:59,046 WARN L180 SmtUtils]: Spent 1.97 m on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2018-12-09 12:42:49,931 WARN L180 SmtUtils]: Spent 2.85 m on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2018-12-09 12:42:49,937 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 12:42:49,938 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point L27(lines 14 28) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 7 30) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L444 ceAbstractionStarter]: At program point L25-2(lines 24 25) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 129.0))) (let ((.cse0 (fp.neg .cse1)) (.cse8 (fp.leq main_~D~0 ((_ to_fp 8 24) roundNearestTiesToEven 16.0)))) (let ((.cse7 (not (fp.leq main_~R~0 (fp.neg main_~D~0)))) (.cse2 (or (and .cse8 (exists ((main_~X~0 (_ FloatingPoint 8 24)) (main_~S~0 (_ FloatingPoint 8 24)) (main_~D~0 (_ FloatingPoint 8 24))) (let ((.cse14 ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (.cse13 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.leq main_~D~0 ((_ to_fp 8 24) roundNearestTiesToEven 16.0)) (fp.geq main_~X~0 (fp.neg .cse13)) (fp.leq (fp.sub roundNearestTiesToEven main_~X~0 main_~S~0) (fp.neg main_~D~0)) (= (fp.sub roundNearestTiesToEven main_~S~0 main_~D~0) main_~Y~0) (fp.geq main_~D~0 (_ +zero 8 24)) (fp.geq main_~S~0 (fp.neg .cse14)) (fp.leq main_~S~0 .cse14) (fp.leq main_~X~0 .cse13))))) (and .cse8 (let ((.cse15 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.leq main_~Y~0 .cse15) (fp.geq main_~Y~0 (fp.neg .cse15))))))) (.cse3 (fp.geq main_~D~0 (_ +zero 8 24))) (.cse4 (fp.geq main_~S~0 .cse0)) (.cse5 (exists ((main_~X~0 (_ FloatingPoint 8 24))) (let ((.cse12 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.geq main_~X~0 (fp.neg .cse12)) (= (fp.sub roundNearestTiesToEven main_~X~0 main_~S~0) main_~R~0) (fp.leq main_~X~0 .cse12))))) (.cse6 (fp.leq main_~S~0 .cse1))) (or (and (fp.geq main_~Y~0 .cse0) (fp.leq main_~Y~0 .cse1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 (exists ((main_~X~0 (_ FloatingPoint 8 24)) (main_~S~0 (_ FloatingPoint 8 24)) (main_~D~0 (_ FloatingPoint 8 24))) (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (.cse10 (fp.sub roundNearestTiesToEven main_~X~0 main_~S~0)) (.cse9 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.leq main_~D~0 ((_ to_fp 8 24) roundNearestTiesToEven 16.0)) (= main_~Y~0 (fp.add roundNearestTiesToEven main_~S~0 main_~D~0)) (fp.geq main_~X~0 (fp.neg .cse9)) (fp.geq .cse10 main_~D~0) (fp.geq main_~D~0 (_ +zero 8 24)) (fp.geq main_~S~0 (fp.neg .cse11)) (fp.leq main_~S~0 .cse11) (not (fp.leq .cse10 (fp.neg main_~D~0))) (fp.leq main_~X~0 .cse9)))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse2 .cse3 .cse4 .cse5 .cse6))))) [2018-12-09 12:42:49,938 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 7 30) no Hoare annotation was computed. [2018-12-09 12:42:49,938 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 7 30) the Hoare annotation is: true [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 25) no Hoare annotation was computed. [2018-12-09 12:42:49,939 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 28) the Hoare annotation is: (or (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven 129.0))) (let ((.cse1 (fp.neg .cse6))) (and (forall ((v_main_~D~0_9 (_ FloatingPoint 8 24)) (v_main_~X~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (or (fp.geq (fp.sub roundNearestTiesToEven main_~Y~0 v_main_~D~0_9) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 129.0))) (not (fp.geq v_main_~D~0_9 (_ +zero 8 24))) (not (fp.geq v_main_~X~0_5 (fp.neg .cse0))) (not (fp.leq v_main_~D~0_9 ((_ to_fp 8 24) roundNearestTiesToEven 16.0))) (not (fp.leq (fp.sub roundNearestTiesToEven v_main_~X~0_5 main_~Y~0) (fp.neg v_main_~D~0_9))) (not (fp.leq v_main_~X~0_5 .cse0))))) (fp.leq main_~D~0 ((_ to_fp 8 24) roundNearestTiesToEven 16.0)) (fp.geq main_~Y~0 .cse1) (fp.geq main_~D~0 (_ +zero 8 24)) (fp.geq main_~S~0 .cse1) (exists ((main_~X~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (and (fp.geq main_~X~0 (fp.neg .cse2)) (= (fp.sub roundNearestTiesToEven main_~X~0 main_~S~0) main_~R~0) (fp.leq main_~X~0 .cse2)))) (forall ((v_prenex_6 (_ FloatingPoint 8 24)) (v_prenex_7 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven 128.0))) (or (not (fp.geq v_prenex_7 (fp.neg .cse3))) (not (fp.leq (fp.sub roundNearestTiesToEven v_prenex_7 main_~Y~0) (fp.neg v_prenex_6))) (not (fp.leq v_prenex_7 .cse3)) (fp.leq (fp.sub roundNearestTiesToEven main_~Y~0 v_prenex_6) ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (not (fp.leq v_prenex_6 ((_ to_fp 8 24) roundNearestTiesToEven 16.0))) (not (fp.geq v_prenex_6 (_ +zero 8 24)))))) (forall ((v_main_~X~0_6 (_ FloatingPoint 8 24)) (v_main_~D~0_10 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven 128.0)) (.cse5 (fp.sub roundNearestTiesToEven v_main_~X~0_6 main_~Y~0))) (or (not (fp.geq v_main_~X~0_6 (fp.neg .cse4))) (not (fp.leq v_main_~X~0_6 .cse4)) (not (fp.geq .cse5 v_main_~D~0_10)) (fp.leq (fp.add roundNearestTiesToEven main_~Y~0 v_main_~D~0_10) ((_ to_fp 8 24) roundNearestTiesToEven 129.0)) (not (fp.leq v_main_~D~0_10 ((_ to_fp 8 24) roundNearestTiesToEven 16.0))) (not (fp.geq v_main_~D~0_10 (_ +zero 8 24))) (fp.leq .cse5 (fp.neg v_main_~D~0_10))))) (fp.leq main_~S~0 .cse6)))) (= main_~Y~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 28) no Hoare annotation was computed. [2018-12-09 12:42:49,939 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 5) the Hoare annotation is: true [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 5) no Hoare annotation was computed. [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point L5-1(line 5) no Hoare annotation was computed. [2018-12-09 12:42:49,939 INFO L448 ceAbstractionStarter]: For program point L5-3(line 5) no Hoare annotation was computed. [2018-12-09 12:42:49,946 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,946 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,947 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,947 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:49,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,947 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,948 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,949 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,953 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,953 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,953 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,953 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,953 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,953 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,957 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,958 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:49,959 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,959 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,959 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,959 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,959 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:49,960 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:49,960 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:49,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,961 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:49,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,962 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:49,962 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:49,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,962 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:49,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,963 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:49,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:49,964 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,964 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,964 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,964 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:49,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,965 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,965 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,967 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,967 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:49,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:49,968 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,968 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:49,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:42:49 BoogieIcfgContainer [2018-12-09 12:42:49,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:42:49,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:42:49,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:42:49,971 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:42:49,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:29:13" (3/4) ... [2018-12-09 12:42:49,974 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:42:49,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:42:49,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:42:49,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 12:42:49,983 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 12:42:49,983 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:42:49,983 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:42:49,983 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:42:50,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((forall v_main_~D~0_9 : C_FLOAT, v_main_~X~0_5 : C_FLOAT :: ((((~fp.geq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, Y, v_main_~D~0_9), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || !~fp.geq~FLOAT(v_main_~D~0_9, ~Pluszero~LONGDOUBLE())) || !~fp.geq~FLOAT(v_main_~X~0_5, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0)))) || !~fp.leq~FLOAT(v_main_~D~0_9, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) || !~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_main_~X~0_5, Y), ~fp.neg~FLOAT(v_main_~D~0_9))) || !~fp.leq~FLOAT(v_main_~X~0_5, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) && ~fp.leq~FLOAT(D, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) && ~fp.geq~FLOAT(Y, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0)))) && ~fp.geq~FLOAT(D, ~Pluszero~LONGDOUBLE())) && ~fp.geq~FLOAT(S, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0)))) && (\exists main_~X~0 : C_FLOAT :: (~fp.geq~FLOAT(main_~X~0, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, main_~X~0, S) == R) && ~fp.leq~FLOAT(main_~X~0, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0)))) && (forall v_prenex_6 : C_FLOAT, v_prenex_7 : C_FLOAT :: ((((!~fp.geq~FLOAT(v_prenex_7, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || !~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_prenex_7, Y), ~fp.neg~FLOAT(v_prenex_6))) || !~fp.leq~FLOAT(v_prenex_7, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || ~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, Y, v_prenex_6), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || !~fp.leq~FLOAT(v_prenex_6, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) || !~fp.geq~FLOAT(v_prenex_6, ~Pluszero~LONGDOUBLE()))) && (forall v_main_~X~0_6 : C_FLOAT, v_main_~D~0_10 : C_FLOAT :: (((((!~fp.geq~FLOAT(v_main_~X~0_6, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || !~fp.leq~FLOAT(v_main_~X~0_6, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || !~fp.geq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_main_~X~0_6, Y), v_main_~D~0_10)) || ~fp.leq~FLOAT(~fp.add~FLOAT(~roundNearestTiesToEven, Y, v_main_~D~0_10), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || !~fp.leq~FLOAT(v_main_~D~0_10, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) || !~fp.geq~FLOAT(v_main_~D~0_10, ~Pluszero~LONGDOUBLE())) || ~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_main_~X~0_6, Y), ~fp.neg~FLOAT(v_main_~D~0_10)))) && ~fp.leq~FLOAT(S, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || Y == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32) [2018-12-09 12:42:50,008 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae9e4182-8a1a-4013-92e2-c89df0dc76c7/bin-2019/uautomizer/witness.graphml [2018-12-09 12:42:50,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:42:50,008 INFO L168 Benchmark]: Toolchain (without parser) took 816919.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 922.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:42:50,009 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:42:50,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.86 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:42:50,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.54 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:42:50,009 INFO L168 Benchmark]: Boogie Preprocessor took 16.46 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:42:50,010 INFO L168 Benchmark]: RCFGBuilder took 236.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:42:50,010 INFO L168 Benchmark]: TraceAbstraction took 816478.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -4.2 MB). Free memory was 1.1 GB in the beginning and 928.7 MB in the end (delta: 196.9 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:42:50,010 INFO L168 Benchmark]: Witness Printer took 37.29 ms. Allocated memory is still 1.2 GB. Free memory was 928.7 MB in the beginning and 922.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:42:50,012 INFO L336 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.86 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.54 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.46 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 236.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 816478.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -4.2 MB). Free memory was 1.1 GB in the beginning and 928.7 MB in the end (delta: 196.9 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.29 ms. Allocated memory is still 1.2 GB. Free memory was 928.7 MB in the beginning and 922.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 14]: Loop Invariant [2018-12-09 12:42:50,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:50,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:50,017 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:50,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_9,QUANTIFIED] [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_5,QUANTIFIED] [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~X~0,QUANTIFIED] [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:50,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~X~0_6,QUANTIFIED] [2018-12-09 12:42:50,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~D~0_10,QUANTIFIED] [2018-12-09 12:42:50,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 12:42:50,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((((forall v_main_~D~0_9 : C_FLOAT, v_main_~X~0_5 : C_FLOAT :: ((((~fp.geq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, Y, v_main_~D~0_9), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || !~fp.geq~FLOAT(v_main_~D~0_9, ~Pluszero~LONGDOUBLE())) || !~fp.geq~FLOAT(v_main_~X~0_5, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0)))) || !~fp.leq~FLOAT(v_main_~D~0_9, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) || !~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_main_~X~0_5, Y), ~fp.neg~FLOAT(v_main_~D~0_9))) || !~fp.leq~FLOAT(v_main_~X~0_5, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) && ~fp.leq~FLOAT(D, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) && ~fp.geq~FLOAT(Y, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0)))) && ~fp.geq~FLOAT(D, ~Pluszero~LONGDOUBLE())) && ~fp.geq~FLOAT(S, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0)))) && (\exists main_~X~0 : C_FLOAT :: (~fp.geq~FLOAT(main_~X~0, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, main_~X~0, S) == R) && ~fp.leq~FLOAT(main_~X~0, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0)))) && (forall v_prenex_6 : C_FLOAT, v_prenex_7 : C_FLOAT :: ((((!~fp.geq~FLOAT(v_prenex_7, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || !~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_prenex_7, Y), ~fp.neg~FLOAT(v_prenex_6))) || !~fp.leq~FLOAT(v_prenex_7, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || ~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, Y, v_prenex_6), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || !~fp.leq~FLOAT(v_prenex_6, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) || !~fp.geq~FLOAT(v_prenex_6, ~Pluszero~LONGDOUBLE()))) && (forall v_main_~X~0_6 : C_FLOAT, v_main_~D~0_10 : C_FLOAT :: (((((!~fp.geq~FLOAT(v_main_~X~0_6, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || !~fp.leq~FLOAT(v_main_~X~0_6, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 128.0))) || !~fp.geq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_main_~X~0_6, Y), v_main_~D~0_10)) || ~fp.leq~FLOAT(~fp.add~FLOAT(~roundNearestTiesToEven, Y, v_main_~D~0_10), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || !~fp.leq~FLOAT(v_main_~D~0_10, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16.0))) || !~fp.geq~FLOAT(v_main_~D~0_10, ~Pluszero~LONGDOUBLE())) || ~fp.leq~FLOAT(~fp.sub~FLOAT(~roundNearestTiesToEven, v_main_~X~0_6, Y), ~fp.neg~FLOAT(v_main_~D~0_10)))) && ~fp.leq~FLOAT(S, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 129.0))) || Y == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 816.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 357.9s AutomataDifference, 0.0s DeadEndRemovalTime, 289.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 89 SDtfs, 117 SDslu, 388 SDs, 0 SdLazy, 399 SolverSat, 40 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 100.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 396.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 57 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 11 PreInvPairs, 18 NumberOfFragments, 507 HoareAnnotationTreeSize, 11 FomulaSimplifications, 4789 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1214 FormulaSimplificationTreeSizeReductionInter, 288.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 168.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 144 ConstructedInterpolants, 21 QuantifiedInterpolants, 24397 SizeOfPredicates, 45 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 18/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...