./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_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_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/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 1ba8be438fdf209735f867af41e44939ec8afdc4 .............................................................................................................................................................................................................................................................................................................................................. 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_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/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 1ba8be438fdf209735f867af41e44939ec8afdc4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:21:38,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:21:38,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:21:38,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:21:38,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:21:38,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:21:38,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:21:38,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:21:38,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:21:38,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:21:38,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:21:38,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:21:38,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:21:38,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:21:38,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:21:38,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:21:38,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:21:38,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:21:38,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:21:38,126 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:21:38,127 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:21:38,128 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:21:38,129 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:21:38,130 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:21:38,130 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:21:38,130 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:21:38,131 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:21:38,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:21:38,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:21:38,133 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:21:38,133 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:21:38,133 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:21:38,134 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:21:38,134 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:21:38,134 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:21:38,135 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:21:38,135 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 05:21:38,145 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:21:38,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:21:38,146 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:21:38,146 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:21:38,147 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:21:38,147 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:21:38,147 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 05:21:38,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:21:38,147 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:21:38,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:21:38,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:21:38,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:21:38,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:21:38,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 05:21:38,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:21:38,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:21:38,150 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_60739245-ae08-4035-9ffb-d51eaa3290b3/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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-12-09 05:21:38,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:21:38,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:21:38,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:21:38,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:21:38,183 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:21:38,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-09 05:21:38,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/aff3cc4f9/f2ed7c4d41914eddada36495d9213c17/FLAGb0fbf1a5d [2018-12-09 05:21:38,544 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:21:38,544 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-09 05:21:38,550 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/aff3cc4f9/f2ed7c4d41914eddada36495d9213c17/FLAGb0fbf1a5d [2018-12-09 05:21:38,559 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/aff3cc4f9/f2ed7c4d41914eddada36495d9213c17 [2018-12-09 05:21:38,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:21:38,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:21:38,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:21:38,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:21:38,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:21:38,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e485762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38, skipping insertion in model container [2018-12-09 05:21:38,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:21:38,584 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:21:38,695 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:21:38,699 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:21:38,719 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:21:38,762 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:21:38,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38 WrapperNode [2018-12-09 05:21:38,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:21:38,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:21:38,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:21:38,763 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:21:38,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:21:38,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:21:38,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:21:38,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:21:38,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... [2018-12-09 05:21:38,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:21:38,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:21:38,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:21:38,800 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:21:38,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:21:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 05:21:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 05:21:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:21:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:21:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 05:21:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 05:21:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 05:21:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:21:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:21:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 05:21:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:21:39,017 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:21:39,017 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 05:21:39,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:39 BoogieIcfgContainer [2018-12-09 05:21:39,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:21:39,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:21:39,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:21:39,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:21:39,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:21:38" (1/3) ... [2018-12-09 05:21:39,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b340e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:21:39, skipping insertion in model container [2018-12-09 05:21:39,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:38" (2/3) ... [2018-12-09 05:21:39,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b340e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:21:39, skipping insertion in model container [2018-12-09 05:21:39,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:39" (3/3) ... [2018-12-09 05:21:39,022 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-12-09 05:21:39,028 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:21:39,032 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:21:39,041 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:21:39,058 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 05:21:39,058 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:21:39,058 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:21:39,058 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:21:39,058 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:21:39,058 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:21:39,058 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:21:39,058 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:21:39,058 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:21:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-12-09 05:21:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 05:21:39,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:21:39,074 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] [2018-12-09 05:21:39,076 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:21:39,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:21:39,080 INFO L82 PathProgramCache]: Analyzing trace with hash 165020488, now seen corresponding path program 1 times [2018-12-09 05:21:39,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 05:21:39,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 05:21:39,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:21:39,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:21:39,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:21:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:21:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:21:39,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:21:39,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 05:21:39,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 05:21:39,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 05:21:39,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 05:21:39,195 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-12-09 05:21:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:21:39,208 INFO L93 Difference]: Finished difference Result 98 states and 145 transitions. [2018-12-09 05:21:39,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 05:21:39,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 05:21:39,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:21:39,214 INFO L225 Difference]: With dead ends: 98 [2018-12-09 05:21:39,214 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 05:21:39,216 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 [2018-12-09 05:21:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 05:21:39,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-09 05:21:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-09 05:21:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-12-09 05:21:39,238 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 23 [2018-12-09 05:21:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:21:39,239 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-12-09 05:21:39,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 05:21:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-12-09 05:21:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 05:21:39,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:21:39,239 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] [2018-12-09 05:21:39,240 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:21:39,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:21:39,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1743122219, now seen corresponding path program 1 times [2018-12-09 05:21:39,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 05:21:39,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 05:21:39,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:21:39,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:21:39,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:21:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:21:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:21:39,303 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 05:21:39,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:21:39 BoogieIcfgContainer [2018-12-09 05:21:39,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:21:39,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:21:39,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:21:39,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:21:39,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:39" (3/4) ... [2018-12-09 05:21:39,330 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 05:21:39,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:21:39,331 INFO L168 Benchmark]: Toolchain (without parser) took 769.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:21:39,332 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:21:39,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:21:39,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:21:39,333 INFO L168 Benchmark]: Boogie Preprocessor took 21.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:21:39,333 INFO L168 Benchmark]: RCFGBuilder took 217.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:21:39,333 INFO L168 Benchmark]: TraceAbstraction took 309.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-09 05:21:39,333 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:21:39,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 217.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 309.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 50, overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=6442450972, \old(halF_exp)=6442450952, \old(huge_exp)=6442450965, \old(invln2_exp)=6442450948, \old(ln2HI_exp)=6442450970, \old(ln2HI_exp)=6442450945, \old(ln2LO_exp)=6442450956, \old(ln2LO_exp)=6442450971, \old(one_exp)=6442450962, \old(P1_exp)=6442450951, \old(P2_exp)=6442450953, \old(P3_exp)=6442450958, \old(P4_exp)=6442450961, \old(P5_exp)=6442450959, \old(twom100_exp)=6442450946, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] float x = 1.0f / 0.0f; VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L131] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450966, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L131] float res = __ieee754_expf(x); [L134] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450966, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L113] __int32_t ix; VAL [\old(x)=6442450966, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450966] [L115] ieee_float_shape_type gf_u; [L116] gf_u.value = (x) [L117] EXPR gf_u.word [L117] (ix) = gf_u.word [L119] ix &= 0x7fffffff [L120] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450966, \result=0, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450966] [L134] RET, EXPR isinf_float(res) VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isinf_float(res)=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450966, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L134] COND TRUE !isinf_float(res) [L135] __VERIFIER_error() VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450966, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 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=53occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 [2018-12-09 05:21:40,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:21:40,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:21:40,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:21:40,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:21:40,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:21:40,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:21:40,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:21:40,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:21:40,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:21:40,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:21:40,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:21:40,585 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:21:40,586 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:21:40,586 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:21:40,587 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:21:40,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:21:40,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:21:40,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:21:40,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:21:40,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:21:40,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:21:40,592 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:21:40,592 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:21:40,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:21:40,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:21:40,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:21:40,593 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:21:40,594 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:21:40,594 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:21:40,594 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:21:40,595 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:21:40,595 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:21:40,595 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:21:40,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:21:40,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:21:40,596 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 05:21:40,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:21:40,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:21:40,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:21:40,604 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:21:40,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:21:40,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:21:40,604 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 05:21:40,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:21:40,604 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:21:40,604 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:21:40,605 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:21:40,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:21:40,606 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 05:21:40,606 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 05:21:40,607 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_60739245-ae08-4035-9ffb-d51eaa3290b3/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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-12-09 05:21:40,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:21:40,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:21:40,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:21:40,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:21:40,636 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:21:40,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-09 05:21:40,674 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/8fa84419f/fa8e4fc30c5c42fca73368e10eeb6436/FLAG4419d5584 [2018-12-09 05:21:41,065 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:21:41,065 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-09 05:21:41,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/8fa84419f/fa8e4fc30c5c42fca73368e10eeb6436/FLAG4419d5584 [2018-12-09 05:21:41,077 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/data/8fa84419f/fa8e4fc30c5c42fca73368e10eeb6436 [2018-12-09 05:21:41,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:21:41,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:21:41,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:21:41,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:21:41,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:21:41,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b97ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41, skipping insertion in model container [2018-12-09 05:21:41,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:21:41,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:21:41,208 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:21:41,212 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:21:41,239 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:21:41,255 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:21:41,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41 WrapperNode [2018-12-09 05:21:41,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:21:41,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:21:41,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:21:41,256 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:21:41,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:21:41,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:21:41,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:21:41,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:21:41,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... [2018-12-09 05:21:41,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:21:41,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:21:41,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:21:41,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:21:41,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 05:21:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:21:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 05:21:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:21:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:21:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 05:21:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:21:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:21:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 05:21:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 05:21:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:21:41,467 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:21:49,344 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:21:49,363 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:21:49,434 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:21:49,449 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:21:49,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:21:49,462 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 05:21:49,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:49 BoogieIcfgContainer [2018-12-09 05:21:49,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:21:49,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:21:49,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:21:49,465 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:21:49,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:21:41" (1/3) ... [2018-12-09 05:21:49,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699c6e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:21:49, skipping insertion in model container [2018-12-09 05:21:49,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:41" (2/3) ... [2018-12-09 05:21:49,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699c6e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:21:49, skipping insertion in model container [2018-12-09 05:21:49,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:49" (3/3) ... [2018-12-09 05:21:49,467 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-12-09 05:21:49,472 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:21:49,477 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:21:49,485 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:21:49,502 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 05:21:49,503 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:21:49,503 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:21:49,503 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:21:49,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:21:49,503 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:21:49,503 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:21:49,503 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:21:49,503 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:21:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-12-09 05:21:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 05:21:49,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:21:49,517 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] [2018-12-09 05:21:49,518 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:21:49,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:21:49,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1307259766, now seen corresponding path program 1 times [2018-12-09 05:21:49,524 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:21:49,524 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 05:21:49,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:21:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:21:49,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:21:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:21:49,633 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:21:49,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:21:49,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 05:21:49,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 05:21:49,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 05:21:49,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 05:21:49,655 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-12-09 05:21:49,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:21:49,673 INFO L93 Difference]: Finished difference Result 96 states and 143 transitions. [2018-12-09 05:21:49,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 05:21:49,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 05:21:49,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:21:49,681 INFO L225 Difference]: With dead ends: 96 [2018-12-09 05:21:49,681 INFO L226 Difference]: Without dead ends: 48 [2018-12-09 05:21:49,684 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 05:21:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-09 05:21:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-09 05:21:49,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 05:21:49,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-12-09 05:21:49,711 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 22 [2018-12-09 05:21:49,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:21:49,712 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-12-09 05:21:49,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 05:21:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-12-09 05:21:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 05:21:49,713 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:21:49,713 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] [2018-12-09 05:21:49,713 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:21:49,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:21:49,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1979091687, now seen corresponding path program 1 times [2018-12-09 05:21:49,714 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:21:49,714 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 05:21:49,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:21:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:21:49,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:21:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:21:49,907 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:21:49,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:21:49,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:21:49,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:21:49,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:21:49,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:21:49,917 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 7 states. [2018-12-09 05:21:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:21:59,142 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-12-09 05:21:59,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:21:59,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 05:21:59,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:21:59,207 INFO L225 Difference]: With dead ends: 66 [2018-12-09 05:21:59,208 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 05:21:59,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:21:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 05:21:59,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-12-09 05:21:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 05:21:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-12-09 05:21:59,214 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 24 [2018-12-09 05:21:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:21:59,214 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-12-09 05:21:59,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:21:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-09 05:21:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 05:21:59,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:21:59,215 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] [2018-12-09 05:21:59,215 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:21:59,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:21:59,215 INFO L82 PathProgramCache]: Analyzing trace with hash -416220771, now seen corresponding path program 1 times [2018-12-09 05:21:59,216 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:21:59,216 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 05:21:59,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:21:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:21:59,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:21:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:21:59,427 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:21:59,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:21:59,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:21:59,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:21:59,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:21:59,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:21:59,436 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 7 states. [2018-12-09 05:22:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:22:08,749 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-12-09 05:22:08,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:22:08,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-09 05:22:08,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:22:08,819 INFO L225 Difference]: With dead ends: 66 [2018-12-09 05:22:08,820 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 05:22:08,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:22:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 05:22:08,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-12-09 05:22:08,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 05:22:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-12-09 05:22:08,824 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 26 [2018-12-09 05:22:08,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:22:08,825 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-12-09 05:22:08,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:22:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-12-09 05:22:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 05:22:08,825 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:22:08,826 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] [2018-12-09 05:22:08,826 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:22:08,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:22:08,826 INFO L82 PathProgramCache]: Analyzing trace with hash -549194806, now seen corresponding path program 1 times [2018-12-09 05:22:08,826 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:22:08,826 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 05:22:08,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:22:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:22:08,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:22:11,384 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 05:22:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:22:14,490 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:22:14,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:22:14,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 05:22:14,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 05:22:14,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 05:22:14,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-09 05:22:14,500 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 12 states. [2018-12-09 05:22:16,285 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 05:22:19,117 WARN L180 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-09 05:22:35,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:22:35,866 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-12-09 05:22:35,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 05:22:35,867 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-12-09 05:22:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:22:35,868 INFO L225 Difference]: With dead ends: 60 [2018-12-09 05:22:35,868 INFO L226 Difference]: Without dead ends: 52 [2018-12-09 05:22:35,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-12-09 05:22:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-09 05:22:35,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-12-09 05:22:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 05:22:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2018-12-09 05:22:35,874 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 27 [2018-12-09 05:22:35,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:22:35,875 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2018-12-09 05:22:35,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 05:22:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2018-12-09 05:22:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 05:22:35,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:22:35,876 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] [2018-12-09 05:22:35,876 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:22:35,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:22:35,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1560312056, now seen corresponding path program 1 times [2018-12-09 05:22:35,877 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:22:35,877 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/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 [2018-12-09 05:22:35,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:22:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:22:35,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:22:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:22:36,030 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:22:36,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:22:36,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:22:36,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:22:36,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:22:36,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:22:36,039 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 7 states. [2018-12-09 05:22:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:22:44,997 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-09 05:22:45,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:22:45,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-12-09 05:22:45,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:22:45,071 INFO L225 Difference]: With dead ends: 64 [2018-12-09 05:22:45,071 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 05:22:45,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:22:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 05:22:45,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-12-09 05:22:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-09 05:22:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-12-09 05:22:45,075 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27 [2018-12-09 05:22:45,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:22:45,075 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-12-09 05:22:45,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:22:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-12-09 05:22:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 05:22:45,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:22:45,076 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, 1] [2018-12-09 05:22:45,076 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:22:45,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:22:45,076 INFO L82 PathProgramCache]: Analyzing trace with hash 929170974, now seen corresponding path program 1 times [2018-12-09 05:22:45,076 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:22:45,077 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 05:22:45,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:22:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:22:45,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:22:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:22:45,862 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:22:45,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:22:45,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:22:45,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:22:45,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:22:45,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:22:45,878 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 7 states. [2018-12-09 05:22:54,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:22:54,867 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2018-12-09 05:22:54,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 05:22:54,941 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 05:22:54,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:22:54,942 INFO L225 Difference]: With dead ends: 74 [2018-12-09 05:22:54,942 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 05:22:54,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:22:54,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 05:22:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-09 05:22:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-09 05:22:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2018-12-09 05:22:54,947 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 31 [2018-12-09 05:22:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:22:54,948 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2018-12-09 05:22:54,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:22:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-12-09 05:22:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 05:22:54,949 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:22:54,949 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, 1, 1] [2018-12-09 05:22:54,949 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:22:54,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:22:54,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1899420282, now seen corresponding path program 1 times [2018-12-09 05:22:54,950 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:22:54,950 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 05:22:54,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:22:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:22:55,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:22:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:22:55,977 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:22:55,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:22:55,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:22:55,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:22:55,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:22:55,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:22:55,994 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 7 states. [2018-12-09 05:23:04,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:23:04,478 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-12-09 05:23:04,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:23:04,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-09 05:23:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:23:04,546 INFO L225 Difference]: With dead ends: 44 [2018-12-09 05:23:04,546 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 05:23:04,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:23:04,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 05:23:04,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 05:23:04,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 05:23:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 05:23:04,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-09 05:23:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:23:04,547 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 05:23:04,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:23:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 05:23:04,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:23:04,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-12-09 05:23:04,616 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2018-12-09 05:23:04,617 INFO L444 ceAbstractionStarter]: At program point L114-2(lines 114 118) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-09 05:23:04,617 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 112 121) the Hoare annotation is: true [2018-12-09 05:23:04,617 INFO L448 ceAbstractionStarter]: For program point L114-3(lines 114 118) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 112 121) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 112 121) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 05:23:04,618 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 123 140) the Hoare annotation is: true [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 123 140) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 123 140) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~x~0 .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) main_~res~0))) [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 137) no Hoare annotation was computed. [2018-12-09 05:23:04,618 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-09 05:23:04,618 INFO L448 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-12-09 05:23:04,621 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,622 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,622 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,622 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,628 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,628 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,628 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,628 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:23:04 BoogieIcfgContainer [2018-12-09 05:23:04,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:23:04,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:23:04,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:23:04,629 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:23:04,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:49" (3/4) ... [2018-12-09 05:23:04,632 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:23:04,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-12-09 05:23:04,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-09 05:23:04,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 05:23:04,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 05:23:04,639 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-12-09 05:23:04,639 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-09 05:23:04,640 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 05:23:04,640 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 05:23:04,640 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 05:23:04,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 05:23:04,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 05:23:04,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-09 05:23:04,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-09 05:23:04,671 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60739245-ae08-4035-9ffb-d51eaa3290b3/bin-2019/uautomizer/witness.graphml [2018-12-09 05:23:04,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:23:04,671 INFO L168 Benchmark]: Toolchain (without parser) took 83592.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:23:04,672 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:23:04,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.72 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:23:04,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.42 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:23:04,672 INFO L168 Benchmark]: Boogie Preprocessor took 64.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 05:23:04,673 INFO L168 Benchmark]: RCFGBuilder took 8124.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-12-09 05:23:04,673 INFO L168 Benchmark]: TraceAbstraction took 75165.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:23:04,673 INFO L168 Benchmark]: Witness Printer took 41.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:23:04,674 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 175.72 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 17.42 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8124.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75165.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 41.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. 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[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: 97]: Loop Invariant [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 05:23:04,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. SAFE Result, 75.1s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 66.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 284 SDtfs, 338 SDslu, 1104 SDs, 0 SdLazy, 339 SolverSat, 5 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 59.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 31 NumberOfFragments, 79 HoareAnnotationTreeSize, 24 FomulaSimplifications, 92 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 37 QuantifiedInterpolants, 29614 SizeOfPredicates, 25 NumberOfNonLiveVariables, 956 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...