./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 4cd7167e4c5d704bd032daefd453bfeb73829b6b .................................................................................................................................................................................................................................................................................................................................... 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_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 4cd7167e4c5d704bd032daefd453bfeb73829b6b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:46:23,118 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:46:23,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:46:23,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:46:23,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:46:23,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:46:23,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:46:23,133 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:46:23,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:46:23,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:46:23,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:46:23,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:46:23,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:46:23,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:46:23,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:46:23,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:46:23,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:46:23,142 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:46:23,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:46:23,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:46:23,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:46:23,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:46:23,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:46:23,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:46:23,150 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:46:23,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:46:23,151 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:46:23,152 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:46:23,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:46:23,154 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:46:23,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:46:23,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:46:23,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:46:23,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:46:23,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:46:23,156 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:46:23,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:46:23,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:46:23,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:46:23,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:46:23,169 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:46:23,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:46:23,170 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:46:23,170 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:46:23,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:46:23,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:46:23,171 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:46:23,171 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:46:23,171 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:46:23,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:46:23,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:46:23,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:46:23,172 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:46:23,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:46:23,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:46:23,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:46:23,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:46:23,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:46:23,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:46:23,173 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:46:23,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:46:23,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:46:23,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:46:23,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:46:23,176 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:46:23,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:46:23,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:46:23,176 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_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 -> 4cd7167e4c5d704bd032daefd453bfeb73829b6b [2018-11-28 10:46:23,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:46:23,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:46:23,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:46:23,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:46:23,215 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:46:23,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-11-28 10:46:23,260 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/9d9a18cf5/b15672a662d044b9b24111ea532873fc/FLAG671d897ae [2018-11-28 10:46:23,643 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:46:23,644 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-11-28 10:46:23,652 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/9d9a18cf5/b15672a662d044b9b24111ea532873fc/FLAG671d897ae [2018-11-28 10:46:23,662 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/9d9a18cf5/b15672a662d044b9b24111ea532873fc [2018-11-28 10:46:23,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:46:23,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:46:23,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:46:23,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:46:23,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:46:23,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:46:23" (1/1) ... [2018-11-28 10:46:23,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f013faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:23, skipping insertion in model container [2018-11-28 10:46:23,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:46:23" (1/1) ... [2018-11-28 10:46:23,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:46:23,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:46:23,890 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:46:23,893 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:46:24,000 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:46:24,017 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:46:24,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24 WrapperNode [2018-11-28 10:46:24,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:46:24,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:46:24,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:46:24,019 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:46:24,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:46:24,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:46:24,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:46:24,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:46:24,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... [2018-11-28 10:46:24,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:46:24,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:46:24,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:46:24,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:46:24,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:46:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 10:46:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 10:46:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-11-28 10:46:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-11-28 10:46:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:46:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:46:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 10:46:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 10:46:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 10:46:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 10:46:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:46:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:46:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 10:46:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:46:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:46:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:46:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 10:46:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 10:46:24,577 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:46:24,577 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-28 10:46:24,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:46:24 BoogieIcfgContainer [2018-11-28 10:46:24,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:46:24,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:46:24,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:46:24,583 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:46:24,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:46:23" (1/3) ... [2018-11-28 10:46:24,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c29ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:46:24, skipping insertion in model container [2018-11-28 10:46:24,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:24" (2/3) ... [2018-11-28 10:46:24,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c29ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:46:24, skipping insertion in model container [2018-11-28 10:46:24,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:46:24" (3/3) ... [2018-11-28 10:46:24,587 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a_true-unreach-call.c [2018-11-28 10:46:24,597 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:46:24,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:46:24,620 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:46:24,644 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:46:24,644 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:46:24,644 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:46:24,644 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:46:24,645 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:46:24,645 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:46:24,645 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:46:24,645 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:46:24,645 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:46:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-11-28 10:46:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 10:46:24,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:46:24,667 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] [2018-11-28 10:46:24,669 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:46:24,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:46:24,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1161852501, now seen corresponding path program 1 times [2018-11-28 10:46:24,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:46:24,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:46:24,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:46:24,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:46:24,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:46:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:46:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:46:24,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:46:24,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:46:24,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:46:24,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:46:24,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:46:24,839 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-11-28 10:46:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:46:24,862 INFO L93 Difference]: Finished difference Result 158 states and 242 transitions. [2018-11-28 10:46:24,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:46:24,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-28 10:46:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:46:24,870 INFO L225 Difference]: With dead ends: 158 [2018-11-28 10:46:24,870 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 10:46:24,873 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 [2018-11-28 10:46:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 10:46:24,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-11-28 10:46:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-28 10:46:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-11-28 10:46:24,909 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-11-28 10:46:24,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:46:24,909 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-11-28 10:46:24,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:46:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-11-28 10:46:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 10:46:24,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:46:24,912 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] [2018-11-28 10:46:24,912 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:46:24,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:46:24,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1475142383, now seen corresponding path program 1 times [2018-11-28 10:46:24,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:46:24,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:46:24,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:46:24,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:46:24,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:46:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:46:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:46:24,990 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 10:46:25,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:46:25 BoogieIcfgContainer [2018-11-28 10:46:25,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:46:25,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:46:25,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:46:25,027 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:46:25,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:46:24" (3/4) ... [2018-11-28 10:46:25,031 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 10:46:25,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:46:25,032 INFO L168 Benchmark]: Toolchain (without parser) took 1367.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 959.4 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:46:25,034 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 984.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:46:25,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 959.4 MB in the beginning and 1.2 GB in the end (delta: -196.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:46:25,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.60 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. [2018-11-28 10:46:25,035 INFO L168 Benchmark]: Boogie Preprocessor took 41.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:46:25,036 INFO L168 Benchmark]: RCFGBuilder took 494.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:46:25,036 INFO L168 Benchmark]: TraceAbstraction took 447.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:46:25,037 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:46:25,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 984.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 959.4 MB in the beginning and 1.2 GB in the end (delta: -196.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.60 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. * Boogie Preprocessor took 41.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 494.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 447.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 377]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 285, overapproximation of someBinaryArithmeticDOUBLEoperation at line 321, overapproximation of bitwiseAnd at line 303, overapproximation of someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L168] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L280-L293] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(huge_floor)=27, \old(one_acos)=16, \old(one_sqrt)=28, \old(pi)=29, \old(pi)=18, \old(pi)=25, \old(pS0_acos)=20, \old(pS1_acos)=33, \old(pS2_acos)=17, \old(pS3_acos)=23, \old(pS4_acos)=11, \old(pS5_acos)=19, \old(qS1_acos)=22, \old(qS2_acos)=12, \old(qS3_acos)=14, \old(qS4_acos)=24, \old(tiny_sqrt)=15, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L372] double x = 1.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L373] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L296] double z, p, q, r, w, s, c, df; [L297] __int32_t hx, ix; VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L299] ieee_double_shape_type gh_u; [L300] gh_u.value = (x) [L301] EXPR gh_u.parts.msw [L301] (hx) = gh_u.parts.msw [L303] ix = hx & 0x7fffffff VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L304] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L319] COND TRUE ix < 0x3fe00000 VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L320] COND TRUE ix <= 0x3c600000 [L321] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L373] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=32, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L373] double res = __ieee754_acos(x); [L376] CALL, EXPR isnan_double(res) VAL [\old(x)=32, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] return x != x; VAL [\old(x)=32, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=32] [L376] RET, EXPR isnan_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=32, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L376] COND TRUE !isnan_double(res) [L377] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=32, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109 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=83occurred 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, 47 NumberOfCodeBlocks, 47 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 0.1.23-0cd3be1 [2018-11-28 10:46:26,771 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:46:26,772 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:46:26,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:46:26,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:46:26,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:46:26,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:46:26,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:46:26,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:46:26,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:46:26,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:46:26,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:46:26,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:46:26,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:46:26,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:46:26,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:46:26,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:46:26,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:46:26,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:46:26,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:46:26,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:46:26,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:46:26,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:46:26,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:46:26,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:46:26,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:46:26,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:46:26,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:46:26,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:46:26,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:46:26,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:46:26,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:46:26,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:46:26,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:46:26,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:46:26,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:46:26,809 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 10:46:26,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:46:26,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:46:26,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:46:26,822 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:46:26,823 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:46:26,823 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:46:26,823 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:46:26,824 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:46:26,824 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:46:26,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:46:26,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:46:26,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:46:26,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:46:26,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:46:26,825 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 10:46:26,825 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 10:46:26,825 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:46:26,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:46:26,825 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:46:26,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:46:26,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:46:26,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:46:26,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:46:26,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:46:26,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:46:26,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:46:26,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:46:26,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:46:26,827 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 10:46:26,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:46:26,827 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 10:46:26,827 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 10:46:26,827 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_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 -> 4cd7167e4c5d704bd032daefd453bfeb73829b6b [2018-11-28 10:46:26,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:46:26,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:46:26,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:46:26,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:46:26,873 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:46:26,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-11-28 10:46:26,927 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/a62ff6cc8/3e967dbc2bc5411dba0217ba3bf1a486/FLAGf71573482 [2018-11-28 10:46:27,293 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:46:27,294 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-11-28 10:46:27,302 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/a62ff6cc8/3e967dbc2bc5411dba0217ba3bf1a486/FLAGf71573482 [2018-11-28 10:46:27,313 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/data/a62ff6cc8/3e967dbc2bc5411dba0217ba3bf1a486 [2018-11-28 10:46:27,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:46:27,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:46:27,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:46:27,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:46:27,320 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:46:27,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c92d5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27, skipping insertion in model container [2018-11-28 10:46:27,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:46:27,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:46:27,561 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:46:27,567 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:46:27,638 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:46:27,719 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:46:27,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27 WrapperNode [2018-11-28 10:46:27,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:46:27,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:46:27,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:46:27,720 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:46:27,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:46:27,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:46:27,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:46:27,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:46:27,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... [2018-11-28 10:46:27,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:46:27,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:46:27,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:46:27,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:46:27,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:46:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 10:46:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 10:46:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 10:46:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-11-28 10:46:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-11-28 10:46:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 10:46:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:46:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:46:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 10:46:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 10:46:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:46:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:46:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:46:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 10:46:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:46:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:46:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 10:46:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 10:46:28,431 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 10:46:31,220 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 10:46:41,793 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 10:46:45,190 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 10:46:45,205 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:46:45,205 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-28 10:46:45,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:46:45 BoogieIcfgContainer [2018-11-28 10:46:45,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:46:45,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:46:45,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:46:45,210 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:46:45,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:46:27" (1/3) ... [2018-11-28 10:46:45,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e157a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:46:45, skipping insertion in model container [2018-11-28 10:46:45,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:46:27" (2/3) ... [2018-11-28 10:46:45,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e157a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:46:45, skipping insertion in model container [2018-11-28 10:46:45,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:46:45" (3/3) ... [2018-11-28 10:46:45,213 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a_true-unreach-call.c [2018-11-28 10:46:45,224 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:46:45,232 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:46:45,247 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:46:45,268 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:46:45,269 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:46:45,269 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:46:45,269 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:46:45,269 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:46:45,269 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:46:45,269 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:46:45,269 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:46:45,269 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:46:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-28 10:46:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 10:46:45,291 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:46:45,292 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] [2018-11-28 10:46:45,294 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:46:45,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:46:45,298 INFO L82 PathProgramCache]: Analyzing trace with hash 2101984081, now seen corresponding path program 1 times [2018-11-28 10:46:45,301 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:46:45,302 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:46:45,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:46:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:46:46,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:46:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:46:46,157 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:46:46,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:46:46,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:46:46,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:46:46,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:46:46,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:46:46,198 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-28 10:46:46,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:46:46,226 INFO L93 Difference]: Finished difference Result 156 states and 240 transitions. [2018-11-28 10:46:46,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:46:46,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-28 10:46:46,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:46:46,239 INFO L225 Difference]: With dead ends: 156 [2018-11-28 10:46:46,240 INFO L226 Difference]: Without dead ends: 78 [2018-11-28 10:46:46,244 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 [2018-11-28 10:46:46,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-28 10:46:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-28 10:46:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-28 10:46:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2018-11-28 10:46:46,286 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 22 [2018-11-28 10:46:46,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:46:46,287 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2018-11-28 10:46:46,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:46:46,287 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2018-11-28 10:46:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 10:46:46,289 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:46:46,289 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] [2018-11-28 10:46:46,290 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:46:46,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:46:46,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1503428723, now seen corresponding path program 1 times [2018-11-28 10:46:46,292 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:46:46,292 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:46:46,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:46:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:46:46,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:46:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:46:46,651 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:46:46,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:46:46,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:46:46,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:46:46,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:46:46,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:46:46,663 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand 7 states. [2018-11-28 10:46:59,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:46:59,126 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2018-11-28 10:46:59,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:46:59,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-28 10:46:59,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:46:59,129 INFO L225 Difference]: With dead ends: 90 [2018-11-28 10:46:59,129 INFO L226 Difference]: Without dead ends: 75 [2018-11-28 10:46:59,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:46:59,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-28 10:46:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-28 10:46:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-28 10:46:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2018-11-28 10:46:59,136 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 23 [2018-11-28 10:46:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:46:59,136 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2018-11-28 10:46:59,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:46:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-11-28 10:46:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 10:46:59,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:46:59,137 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] [2018-11-28 10:46:59,137 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:46:59,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:46:59,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1306915218, now seen corresponding path program 1 times [2018-11-28 10:46:59,137 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:46:59,137 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:46:59,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:47:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:47:03,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:47:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:47:03,413 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:47:03,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:47:03,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:47:03,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:47:03,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:47:03,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:47:03,465 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand 7 states. [2018-11-28 10:47:14,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:47:14,377 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2018-11-28 10:47:14,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:47:14,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-28 10:47:14,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:47:14,380 INFO L225 Difference]: With dead ends: 85 [2018-11-28 10:47:14,380 INFO L226 Difference]: Without dead ends: 74 [2018-11-28 10:47:14,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:47:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-28 10:47:14,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-11-28 10:47:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-28 10:47:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2018-11-28 10:47:14,386 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 23 [2018-11-28 10:47:14,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:47:14,386 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2018-11-28 10:47:14,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:47:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-11-28 10:47:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 10:47:14,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:47:14,388 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] [2018-11-28 10:47:14,388 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:47:14,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:47:14,388 INFO L82 PathProgramCache]: Analyzing trace with hash 727792143, now seen corresponding path program 1 times [2018-11-28 10:47:14,389 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:47:14,389 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:47:14,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:47:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:47:15,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:47:27,812 WARN L180 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 6 [2018-11-28 10:47:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:47:42,242 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:47:42,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:47:42,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 10:47:42,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 10:47:42,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 10:47:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=54, Unknown=3, NotChecked=0, Total=72 [2018-11-28 10:47:42,259 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 9 states. [2018-11-28 10:47:55,406 WARN L832 $PredicateComparison]: unable to prove that (and (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |c___ieee754_acos_#in~x| c___ieee754_acos_~x)) is different from false [2018-11-28 10:47:57,708 WARN L854 $PredicateComparison]: unable to prove that (and (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |c___ieee754_acos_#in~x| c___ieee754_acos_~x)) is different from true [2018-11-28 10:48:28,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:48:28,182 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2018-11-28 10:48:28,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 10:48:28,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-11-28 10:48:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:48:28,522 INFO L225 Difference]: With dead ends: 81 [2018-11-28 10:48:28,522 INFO L226 Difference]: Without dead ends: 74 [2018-11-28 10:48:28,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=31, Invalid=98, Unknown=7, NotChecked=20, Total=156 [2018-11-28 10:48:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-28 10:48:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-11-28 10:48:28,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-28 10:48:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2018-11-28 10:48:28,530 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 24 [2018-11-28 10:48:28,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:48:28,531 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2018-11-28 10:48:28,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 10:48:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2018-11-28 10:48:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 10:48:28,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:48:28,532 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] [2018-11-28 10:48:28,532 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:48:28,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:28,532 INFO L82 PathProgramCache]: Analyzing trace with hash -121435068, now seen corresponding path program 1 times [2018-11-28 10:48:28,533 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:48:28,533 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:48:28,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:48:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:28,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:48:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:48:28,740 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:48:28,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:48:28,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:48:28,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:48:28,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:48:28,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:48:28,749 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 7 states. [2018-11-28 10:48:33,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:48:33,264 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2018-11-28 10:48:33,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:48:33,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-28 10:48:33,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:48:33,286 INFO L225 Difference]: With dead ends: 82 [2018-11-28 10:48:33,286 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 10:48:33,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:48:33,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 10:48:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-28 10:48:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 10:48:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-11-28 10:48:33,290 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 25 [2018-11-28 10:48:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:48:33,291 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-28 10:48:33,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:48:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-11-28 10:48:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-28 10:48:33,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:48:33,292 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] [2018-11-28 10:48:33,292 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:48:33,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:33,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2087590410, now seen corresponding path program 1 times [2018-11-28 10:48:33,293 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:48:33,293 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/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 [2018-11-28 10:48:33,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:48:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:38,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:48:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:48:38,475 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:48:38,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:48:38,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:48:38,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:48:38,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:48:38,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:48:38,544 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand 7 states. [2018-11-28 10:48:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:48:42,207 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-11-28 10:48:42,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:48:42,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-28 10:48:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:48:42,209 INFO L225 Difference]: With dead ends: 68 [2018-11-28 10:48:42,209 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:48:42,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:48:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:48:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:48:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:48:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:48:42,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-11-28 10:48:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:48:42,210 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:48:42,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:48:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:48:42,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:48:42,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:48:42,473 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 170 278) the Hoare annotation is: true [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 170 278) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 212) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 181) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L209-2(lines 209 212) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L451 ceAbstractionStarter]: At program point L176-2(lines 176 181) the Hoare annotation is: true [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 170 278) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L451 ceAbstractionStarter]: At program point L201-3(lines 201 202) the Hoare annotation is: true [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L201-4(lines 201 202) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 260) no Hoare annotation was computed. [2018-11-28 10:48:42,474 INFO L448 ceAbstractionStarter]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 265) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 269) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L268-2(lines 268 269) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 245) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L236-2(lines 236 245) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 206) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L195-2(lines 195 206) no Hoare annotation was computed. [2018-11-28 10:48:42,475 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 264) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 192) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L451 ceAbstractionStarter]: At program point L220-2(lines 220 230) the Hoare annotation is: true [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L187-2(lines 187 192) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L220-3(lines 220 230) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L451 ceAbstractionStarter]: At program point L196-2(lines 196 200) the Hoare annotation is: true [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L196-3(lines 196 200) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 191) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 239) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 276) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L451 ceAbstractionStarter]: At program point L271-2(lines 271 276) the Hoare annotation is: true [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 239) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L271-3(lines 271 276) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L255(lines 255 263) no Hoare annotation was computed. [2018-11-28 10:48:42,476 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 170 278) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 191) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 242) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point L241-2(lines 241 242) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L451 ceAbstractionStarter]: At program point L233-2(lines 233 249) the Hoare annotation is: true [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point L233-3(lines 170 278) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 263) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 101) the Hoare annotation is: true [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 101) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 101) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:48:42,477 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 321) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~2))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 315) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 295 364) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 318) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 295 364) the Hoare annotation is: true [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 295 364) no Hoare annotation was computed. [2018-11-28 10:48:42,478 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 347 352) no Hoare annotation was computed. [2018-11-28 10:48:42,479 INFO L444 ceAbstractionStarter]: At program point L347-2(lines 347 352) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~2))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-11-28 10:48:42,479 INFO L448 ceAbstractionStarter]: For program point L347-3(lines 347 352) no Hoare annotation was computed. [2018-11-28 10:48:42,479 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (exists ((v_prenex_12 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) [2018-11-28 10:48:42,479 INFO L448 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-11-28 10:48:42,479 INFO L448 ceAbstractionStarter]: For program point L306-1(lines 306 310) no Hoare annotation was computed. [2018-11-28 10:48:42,479 INFO L444 ceAbstractionStarter]: At program point L306-2(lines 306 310) the Hoare annotation is: (and (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_10)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((v_prenex_11 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))) (= ((_ extract 63 32) v_prenex_11) __ieee754_acos_~hx~2)))) [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point L306-3(lines 304 318) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 363) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point L298-1(lines 298 302) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L444 ceAbstractionStarter]: At program point L298-2(lines 298 302) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point L298-3(lines 298 302) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 363) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 10:48:42,480 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:48:42,480 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 366 382) the Hoare annotation is: true [2018-11-28 10:48:42,480 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 366 382) no Hoare annotation was computed. [2018-11-28 10:48:42,481 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-28 10:48:42,481 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-28 10:48:42,481 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 366 382) no Hoare annotation was computed. [2018-11-28 10:48:42,481 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0)) main_~res~0) (= main_~x~0 .cse1))) [2018-11-28 10:48:42,481 INFO L448 ceAbstractionStarter]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2018-11-28 10:48:42,481 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-11-28 10:48:42,481 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-28 10:48:42,491 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:48:42 BoogieIcfgContainer [2018-11-28 10:48:42,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:48:42,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:48:42,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:48:42,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:48:42,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:46:45" (3/4) ... [2018-11-28 10:48:42,510 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:48:42,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-28 10:48:42,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-28 10:48:42,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:48:42,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-11-28 10:48:42,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:48:42,520 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 10:48:42,520 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-28 10:48:42,520 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 10:48:42,521 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 10:48:42,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 10:48:42,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && v_prenex_11[63:32] == hx) [2018-11-28 10:48:42,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && \old(x) == x [2018-11-28 10:48:42,575 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bb13e30-0a6d-49c5-96a5-2feca2242b29/bin-2019/uautomizer/witness.graphml [2018-11-28 10:48:42,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:48:42,576 INFO L168 Benchmark]: Toolchain (without parser) took 135259.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 943.4 MB in the beginning and 856.4 MB in the end (delta: 87.0 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:42,576 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 10:48:42,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -210.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:42,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.58 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. [2018-11-28 10:48:42,577 INFO L168 Benchmark]: Boogie Preprocessor took 45.53 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. [2018-11-28 10:48:42,577 INFO L168 Benchmark]: RCFGBuilder took 17410.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:42,577 INFO L168 Benchmark]: TraceAbstraction took 117297.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.2 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:42,577 INFO L168 Benchmark]: Witness Printer took 70.35 ms. Allocated memory is still 1.2 GB. Free memory was 863.2 MB in the beginning and 856.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:42,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 402.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -210.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.58 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. * Boogie Preprocessor took 45.53 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. * RCFGBuilder took 17410.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117297.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.2 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.35 ms. Allocated memory is still 1.2 GB. Free memory was 863.2 MB in the beginning and 856.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 377]: 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: 298]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant [2018-11-28 10:48:42,582 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,582 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,582 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-28 10:48:42,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,585 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-11-28 10:48:42,585 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && v_prenex_11[63:32] == hx) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant [2018-11-28 10:48:42,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 10:48:42,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && \old(x) == x - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 82 locations, 1 error locations. SAFE Result, 117.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 77.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 525 SDtfs, 157 SDslu, 2138 SDs, 0 SdLazy, 196 SolverSat, 7 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 56.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 227 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 10.0s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 32 QuantifiedInterpolants, 20495 SizeOfPredicates, 21 NumberOfNonLiveVariables, 711 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...