./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.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_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 34004772e6a1e54917776a817538fd6c8fd28f94 ..................................................................................................................................................................................................................................................................................................................................................... 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_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 34004772e6a1e54917776a817538fd6c8fd28f94 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:24:24,207 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:24:24,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:24:24,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:24:24,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:24:24,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:24:24,215 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:24:24,216 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:24:24,217 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:24:24,217 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:24:24,218 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:24:24,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:24:24,218 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:24:24,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:24:24,219 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:24:24,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:24:24,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:24:24,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:24:24,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:24:24,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:24:24,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:24:24,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:24:24,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:24:24,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:24:24,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:24:24,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:24:24,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:24:24,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:24:24,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:24:24,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:24:24,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:24:24,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:24:24,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:24:24,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:24:24,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:24:24,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:24:24,230 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 17:24:24,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:24:24,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:24:24,237 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:24:24,237 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:24:24,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:24:24,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:24:24,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:24:24,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:24:24,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:24:24,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:24:24,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:24:24,240 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:24:24,240 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 17:24:24,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:24:24,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:24:24,240 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_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-12-08 17:24:24,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:24:24,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:24:24,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:24:24,271 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:24:24,271 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:24:24,272 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-08 17:24:24,316 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/84909d26d/ebe3ebe4f7d6441981700f83d8dcb617/FLAGf1c45495e [2018-12-08 17:24:24,658 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:24:24,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-08 17:24:24,662 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/84909d26d/ebe3ebe4f7d6441981700f83d8dcb617/FLAGf1c45495e [2018-12-08 17:24:24,670 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/84909d26d/ebe3ebe4f7d6441981700f83d8dcb617 [2018-12-08 17:24:24,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:24:24,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:24:24,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:24:24,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:24:24,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:24:24,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570d3c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24, skipping insertion in model container [2018-12-08 17:24:24,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:24:24,697 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:24:24,808 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:24:24,811 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:24:24,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:24:24,878 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:24:24,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24 WrapperNode [2018-12-08 17:24:24,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:24:24,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:24:24,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:24:24,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:24:24,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:24:24,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:24:24,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:24:24,895 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:24:24,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... [2018-12-08 17:24:24,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:24:24,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:24:24,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:24:24,919 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:24:24,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-08 17:24:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-08 17:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-08 17:24:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:24:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:24:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:24:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-08 17:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:24:25,175 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:24:25,175 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 17:24:25,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:25 BoogieIcfgContainer [2018-12-08 17:24:25,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:24:25,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:24:25,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:24:25,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:24:25,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:24:24" (1/3) ... [2018-12-08 17:24:25,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d2f3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:24:25, skipping insertion in model container [2018-12-08 17:24:25,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:24" (2/3) ... [2018-12-08 17:24:25,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d2f3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:24:25, skipping insertion in model container [2018-12-08 17:24:25,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:25" (3/3) ... [2018-12-08 17:24:25,180 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-12-08 17:24:25,186 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:24:25,190 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:24:25,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:24:25,216 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:24:25,216 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:24:25,216 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:24:25,216 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:24:25,216 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:24:25,216 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:24:25,217 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:24:25,217 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:24:25,217 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:24:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-12-08 17:24:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:24:25,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:25,231 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:25,232 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:25,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:25,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1667828765, now seen corresponding path program 1 times [2018-12-08 17:24:25,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:25,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:25,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:25,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:25,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:25,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:25,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:24:25,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:24:25,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:24:25,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:24:25,348 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-12-08 17:24:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:25,362 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2018-12-08 17:24:25,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:24:25,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-12-08 17:24:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:25,368 INFO L225 Difference]: With dead ends: 104 [2018-12-08 17:24:25,368 INFO L226 Difference]: Without dead ends: 52 [2018-12-08 17:24:25,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:24:25,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-08 17:24:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-08 17:24:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-08 17:24:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-08 17:24:25,392 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 25 [2018-12-08 17:24:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:25,392 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-08 17:24:25,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:24:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-08 17:24:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 17:24:25,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:25,393 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:25,394 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:25,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:25,394 INFO L82 PathProgramCache]: Analyzing trace with hash -201130984, now seen corresponding path program 1 times [2018-12-08 17:24:25,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:25,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:25,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:25,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:25,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:24:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:24:25,483 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 17:24:25,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:24:25 BoogieIcfgContainer [2018-12-08 17:24:25,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:24:25,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:24:25,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:24:25,511 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:24:25,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:25" (3/4) ... [2018-12-08 17:24:25,514 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 17:24:25,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:24:25,515 INFO L168 Benchmark]: Toolchain (without parser) took 843.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -86.0 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:24:25,516 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:24:25,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:24:25,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:24:25,517 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:24:25,517 INFO L168 Benchmark]: RCFGBuilder took 256.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:24:25,518 INFO L168 Benchmark]: TraceAbstraction took 335.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:24:25,518 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:24:25,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 335.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=21, \old(halF_exp)=49, \old(huge_exp)=40, \old(invln2_exp)=18, \old(ln2HI_exp)=45, \old(ln2HI_exp)=17, \old(ln2LO_exp)=30, \old(ln2LO_exp)=48, \old(o_threshold_exp)=25, \old(one_exp)=38, \old(P1_exp)=20, \old(P2_exp)=23, \old(P3_exp)=32, \old(P4_exp)=36, \old(P5_exp)=34, \old(twom1000_exp)=24, \old(u_threshold_exp)=46, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L154] RET, EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=47, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L154] double res = __ieee754_exp(x); [L157] CALL, EXPR isinf_double(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L133] __int32_t hx, lx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=26, \result=0, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, lx=5, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L157] RET, EXPR isinf_double(x) VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, isinf_double(x)=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=47, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=47, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2018-12-08 17:24:26,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:24:26,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:24:26,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:24:26,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:24:26,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:24:26,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:24:26,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:24:26,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:24:26,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:24:26,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:24:26,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:24:26,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:24:26,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:24:26,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:24:26,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:24:26,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:24:26,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:24:26,925 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:24:26,926 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:24:26,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:24:26,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:24:26,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:24:26,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:24:26,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:24:26,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:24:26,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:24:26,931 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:24:26,931 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:24:26,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:24:26,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:24:26,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:24:26,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:24:26,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:24:26,933 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:24:26,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:24:26,933 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 17:24:26,943 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:24:26,943 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:24:26,944 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:24:26,944 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:24:26,944 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:24:26,944 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:24:26,945 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:24:26,945 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:24:26,945 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:24:26,945 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:24:26,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:24:26,945 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:24:26,946 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:24:26,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:24:26,947 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:24:26,947 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:24:26,947 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:24:26,947 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:24:26,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:24:26,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:24:26,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:24:26,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:24:26,948 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 17:24:26,948 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:24:26,948 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:24:26,948 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:24:26,949 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_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-12-08 17:24:26,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:24:26,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:24:26,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:24:26,986 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:24:26,987 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:24:26,987 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-08 17:24:27,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/9e49b28ed/ca3eb43a70f346aa91fbececbf6f732c/FLAGd93f7e2c4 [2018-12-08 17:24:27,405 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:24:27,406 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-08 17:24:27,410 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/9e49b28ed/ca3eb43a70f346aa91fbececbf6f732c/FLAGd93f7e2c4 [2018-12-08 17:24:27,769 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/data/9e49b28ed/ca3eb43a70f346aa91fbececbf6f732c [2018-12-08 17:24:27,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:24:27,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:24:27,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:24:27,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:24:27,782 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:24:27,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:27,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290ccbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27, skipping insertion in model container [2018-12-08 17:24:27,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:27,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:24:27,800 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:24:27,906 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:24:27,910 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:24:27,938 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:24:27,955 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:24:27,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27 WrapperNode [2018-12-08 17:24:27,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:24:27,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:24:27,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:24:27,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:24:27,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:27,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:24:28,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:24:28,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:24:28,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:24:28,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... [2018-12-08 17:24:28,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:24:28,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:24:28,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:24:28,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:24:28,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:24:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-08 17:24:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-08 17:24:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:24:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:24:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:24:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 17:24:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:24:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:24:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 17:24:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:24:28,169 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:28,497 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,718 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,735 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,755 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,769 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,795 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,835 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:24:38,847 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:24:38,847 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 17:24:38,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:38 BoogieIcfgContainer [2018-12-08 17:24:38,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:24:38,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:24:38,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:24:38,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:24:38,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:24:27" (1/3) ... [2018-12-08 17:24:38,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f22e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:24:38, skipping insertion in model container [2018-12-08 17:24:38,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:27" (2/3) ... [2018-12-08 17:24:38,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f22e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:24:38, skipping insertion in model container [2018-12-08 17:24:38,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:38" (3/3) ... [2018-12-08 17:24:38,851 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-12-08 17:24:38,857 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:24:38,861 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:24:38,870 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:24:38,886 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:24:38,887 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:24:38,887 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:24:38,887 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:24:38,887 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:24:38,887 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:24:38,887 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:24:38,887 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:24:38,887 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:24:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-08 17:24:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 17:24:38,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:38,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:38,901 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:38,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:38,904 INFO L82 PathProgramCache]: Analyzing trace with hash -923681049, now seen corresponding path program 1 times [2018-12-08 17:24:38,907 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:24:38,907 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:24:38,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:39,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:24:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:39,198 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:24:39,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:39,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:24:39,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:24:39,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:24:39,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:24:39,222 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-08 17:24:39,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:39,237 INFO L93 Difference]: Finished difference Result 102 states and 155 transitions. [2018-12-08 17:24:39,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:24:39,238 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-08 17:24:39,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:39,243 INFO L225 Difference]: With dead ends: 102 [2018-12-08 17:24:39,244 INFO L226 Difference]: Without dead ends: 51 [2018-12-08 17:24:39,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:24:39,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-08 17:24:39,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-08 17:24:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 17:24:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2018-12-08 17:24:39,270 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 24 [2018-12-08 17:24:39,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:39,270 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2018-12-08 17:24:39,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:24:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2018-12-08 17:24:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 17:24:39,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:39,271 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:39,271 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:39,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1028235080, now seen corresponding path program 1 times [2018-12-08 17:24:39,272 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:24:39,272 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:24:39,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:39,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:24:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:39,675 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:24:39,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:39,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:24:39,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:24:39,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:24:39,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:24:39,693 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand 7 states. [2018-12-08 17:24:53,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:53,962 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2018-12-08 17:24:53,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:24:53,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-08 17:24:53,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:53,966 INFO L225 Difference]: With dead ends: 69 [2018-12-08 17:24:53,966 INFO L226 Difference]: Without dead ends: 56 [2018-12-08 17:24:53,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:24:53,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-08 17:24:53,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2018-12-08 17:24:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 17:24:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2018-12-08 17:24:53,971 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 26 [2018-12-08 17:24:53,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:53,971 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2018-12-08 17:24:53,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:24:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2018-12-08 17:24:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:24:53,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:53,972 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:53,972 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:53,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1789825648, now seen corresponding path program 1 times [2018-12-08 17:24:53,973 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:24:53,973 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:24:53,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:54,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:24:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:54,345 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:24:54,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:54,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 17:24:54,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 17:24:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 17:24:54,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:24:54,355 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand 8 states. [2018-12-08 17:25:11,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:25:11,122 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-12-08 17:25:11,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:25:11,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-08 17:25:11,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:25:11,124 INFO L225 Difference]: With dead ends: 68 [2018-12-08 17:25:11,124 INFO L226 Difference]: Without dead ends: 55 [2018-12-08 17:25:11,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:25:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-08 17:25:11,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2018-12-08 17:25:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 17:25:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-12-08 17:25:11,130 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 28 [2018-12-08 17:25:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:25:11,130 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-12-08 17:25:11,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 17:25:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-12-08 17:25:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:25:11,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:25:11,131 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:25:11,131 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:25:11,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:25:11,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1234074122, now seen corresponding path program 1 times [2018-12-08 17:25:11,132 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:25:11,132 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:25:11,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:25:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:25:13,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:25:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:25:14,040 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:25:14,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:25:14,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:25:14,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:25:14,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:25:14,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:25:14,076 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 7 states. [2018-12-08 17:25:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:25:33,915 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2018-12-08 17:25:33,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 17:25:33,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-08 17:25:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:25:33,917 INFO L225 Difference]: With dead ends: 83 [2018-12-08 17:25:33,917 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 17:25:33,918 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:25:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 17:25:33,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-12-08 17:25:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-08 17:25:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-12-08 17:25:33,921 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 28 [2018-12-08 17:25:33,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:25:33,922 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-12-08 17:25:33,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:25:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-12-08 17:25:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 17:25:33,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:25:33,922 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:25:33,922 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:25:33,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:25:33,923 INFO L82 PathProgramCache]: Analyzing trace with hash -920540292, now seen corresponding path program 1 times [2018-12-08 17:25:33,923 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:25:33,923 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 17:25:33,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:25:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:25:37,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:25:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:25:37,737 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:25:37,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:25:37,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:25:37,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:25:37,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:25:37,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:25:37,785 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 7 states. [2018-12-08 17:25:57,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:25:57,716 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2018-12-08 17:25:58,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:25:58,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-08 17:25:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:25:58,111 INFO L225 Difference]: With dead ends: 80 [2018-12-08 17:25:58,111 INFO L226 Difference]: Without dead ends: 51 [2018-12-08 17:25:58,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:25:58,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-08 17:25:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-12-08 17:25:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-08 17:25:58,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-12-08 17:25:58,118 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 29 [2018-12-08 17:25:58,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:25:58,118 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-12-08 17:25:58,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:25:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-12-08 17:25:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:25:58,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:25:58,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:25:58,119 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:25:58,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:25:58,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1920861067, now seen corresponding path program 1 times [2018-12-08 17:25:58,120 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:25:58,120 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/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 [2018-12-08 17:25:58,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:25:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:25:58,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:25:58,347 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:25:58,349 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:25:58,350 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:25:58,350 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:25:58,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-12-08 17:25:58,403 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2018-12-08 17:25:58,404 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 17:25:58,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-12-08 17:25:58,436 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 17:25:58,452 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-12-08 17:25:58,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 11 [2018-12-08 17:25:58,458 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-08 17:25:58,464 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:25:58,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:25:58,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-08 17:25:58,487 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-12-08 17:25:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:25:58,644 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:25:58,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:25:58,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:25:58,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:25:58,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:25:58,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:25:58,654 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 7 states. [2018-12-08 17:25:59,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:25:59,031 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-12-08 17:25:59,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:25:59,031 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-12-08 17:25:59,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:25:59,031 INFO L225 Difference]: With dead ends: 49 [2018-12-08 17:25:59,031 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:25:59,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:25:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:25:59,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:25:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:25:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:25:59,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-12-08 17:25:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:25:59,032 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:25:59,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:25:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:25:59,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:25:59,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:25:59,106 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (and (= __ieee754_exp_~x |__ieee754_exp_#in~x|) (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|)) |__ieee754_exp_#in~x|) (= __ieee754_exp_~hx~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_11|)))))) [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L451 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: true [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-12-08 17:25:59,107 INFO L451 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-12-08 17:25:59,107 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (= __ieee754_exp_~x |__ieee754_exp_#in~x|) [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L451 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: true [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 132 144) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 132 144) no Hoare annotation was computed. [2018-12-08 17:25:59,108 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 132 144) the Hoare annotation is: true [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point L134-3(lines 134 139) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 17:25:59,109 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-12-08 17:25:59,109 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-12-08 17:25:59,109 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-12-08 17:25:59,116 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,118 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,118 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,118 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,118 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:25:59 BoogieIcfgContainer [2018-12-08 17:25:59,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:25:59,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:25:59,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:25:59,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:25:59,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:38" (3/4) ... [2018-12-08 17:25:59,122 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:25:59,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-12-08 17:25:59,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:25:59,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-08 17:25:59,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:25:59,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-12-08 17:25:59,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 17:25:59,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 17:25:59,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:25:59,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:25:59,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 17:25:59,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 17:25:59,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32])) [2018-12-08 17:25:59,160 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74eb4834-aeb0-4c00-8cde-ebe66bdc88c2/bin-2019/uautomizer/witness.graphml [2018-12-08 17:25:59,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:25:59,161 INFO L168 Benchmark]: Toolchain (without parser) took 91386.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:25:59,162 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-08 17:25:59,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.31 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:59,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:59,162 INFO L168 Benchmark]: Boogie Preprocessor took 26.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:25:59,162 INFO L168 Benchmark]: RCFGBuilder took 10819.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:59,163 INFO L168 Benchmark]: TraceAbstraction took 80271.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:25:59,163 INFO L168 Benchmark]: Witness Printer took 41.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:59,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 178.31 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10819.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80271.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 41.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 60]: Loop Invariant [2018-12-08 17:25:59,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 17:25:59,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. SAFE Result, 80.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 71.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 270 SDtfs, 216 SDslu, 903 SDs, 0 SdLazy, 335 SolverSat, 8 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 64.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 33 NumberOfFragments, 51 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 159 ConstructedInterpolants, 40 QuantifiedInterpolants, 30218 SizeOfPredicates, 17 NumberOfNonLiveVariables, 953 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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...