./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/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 e9c6bf05d102b43fb2b728009d6b55f3314474ef .............................................................................................................................................................................................................................................................................................................................................. 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_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/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 e9c6bf05d102b43fb2b728009d6b55f3314474ef .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:58:48,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:58:48,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:58:48,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:58:48,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:58:48,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:58:48,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:58:48,041 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:58:48,042 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:58:48,042 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:58:48,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:58:48,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:58:48,043 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:58:48,044 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:58:48,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:58:48,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:58:48,045 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:58:48,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:58:48,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:58:48,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:58:48,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:58:48,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:58:48,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:58:48,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:58:48,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:58:48,050 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:58:48,051 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:58:48,051 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:58:48,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:58:48,052 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:58:48,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:58:48,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:58:48,053 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:58:48,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:58:48,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:58:48,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:58:48,054 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:58:48,061 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:58:48,061 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:58:48,061 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:58:48,062 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:58:48,062 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:58:48,062 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:58:48,062 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:58:48,062 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:58:48,062 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:58:48,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:58:48,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:58:48,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:58:48,063 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:58:48,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:58:48,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:58:48,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:58:48,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:58:48,064 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:58:48,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:58:48,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:58:48,064 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_7c430aad-9ae8-4c09-9ea4-3306544f1764/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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef [2018-12-08 11:58:48,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:58:48,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:58:48,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:58:48,094 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:58:48,095 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:58:48,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-08 11:58:48,138 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/72220e8ba/fde7ae5a2af34e0ebdd80fa32189be6b/FLAGf1baa5c5a [2018-12-08 11:58:48,531 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:58:48,531 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-08 11:58:48,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/72220e8ba/fde7ae5a2af34e0ebdd80fa32189be6b/FLAGf1baa5c5a [2018-12-08 11:58:48,546 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/72220e8ba/fde7ae5a2af34e0ebdd80fa32189be6b [2018-12-08 11:58:48,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:58:48,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:58:48,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:58:48,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:58:48,552 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:58:48,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48, skipping insertion in model container [2018-12-08 11:58:48,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:58:48,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:58:48,682 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:58:48,686 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:58:48,709 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:58:48,752 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:58:48,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48 WrapperNode [2018-12-08 11:58:48,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:58:48,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:58:48,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:58:48,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:58:48,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:58:48,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:58:48,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:58:48,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:58:48,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... [2018-12-08 11:58:48,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:58:48,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:58:48,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:58:48,803 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:58:48,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:58:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-08 11:58:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-08 11:58:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-08 11:58:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-08 11:58:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:58:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:58:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 11:58:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:58:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:58:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-08 11:58:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:58:49,052 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:58:49,052 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 11:58:49,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:49 BoogieIcfgContainer [2018-12-08 11:58:49,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:58:49,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:58:49,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:58:49,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:58:49,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:48" (1/3) ... [2018-12-08 11:58:49,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f2669a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:49, skipping insertion in model container [2018-12-08 11:58:49,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:48" (2/3) ... [2018-12-08 11:58:49,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f2669a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:49, skipping insertion in model container [2018-12-08 11:58:49,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:49" (3/3) ... [2018-12-08 11:58:49,056 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-12-08 11:58:49,062 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:58:49,066 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:58:49,075 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:58:49,091 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:58:49,092 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:58:49,092 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:58:49,092 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:58:49,092 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:58:49,092 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:58:49,092 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:58:49,092 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:58:49,092 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:58:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-12-08 11:58:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:58:49,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:58:49,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:58:49,107 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:58:49,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:58:49,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1011140343, now seen corresponding path program 1 times [2018-12-08 11:58:49,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:58:49,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:58:49,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:58:49,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:58:49,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:58:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:58:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:58:49,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:58:49,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:58:49,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:58:49,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:58:49,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:58:49,214 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-12-08 11:58:49,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:58:49,228 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-12-08 11:58:49,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:58:49,229 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-08 11:58:49,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:58:49,234 INFO L225 Difference]: With dead ends: 106 [2018-12-08 11:58:49,235 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 11:58:49,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:58:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 11:58:49,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-08 11:58:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-08 11:58:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-12-08 11:58:49,262 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 19 [2018-12-08 11:58:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:58:49,262 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-12-08 11:58:49,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:58:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-08 11:58:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:58:49,263 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:58:49,263 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] [2018-12-08 11:58:49,263 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:58:49,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:58:49,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1686924410, now seen corresponding path program 1 times [2018-12-08 11:58:49,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:58:49,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:58:49,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:58:49,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:58:49,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:58:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:58:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:58:49,338 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 11:58:49,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:58:49 BoogieIcfgContainer [2018-12-08 11:58:49,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:58:49,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:58:49,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:58:49,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:58:49,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:49" (3/4) ... [2018-12-08 11:58:49,366 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 11:58:49,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:58:49,366 INFO L168 Benchmark]: Toolchain (without parser) took 818.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 962.4 MB in the beginning and 997.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:58:49,367 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:58:49,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:58:49,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:58:49,368 INFO L168 Benchmark]: Boogie Preprocessor took 27.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:58:49,368 INFO L168 Benchmark]: RCFGBuilder took 249.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:58:49,369 INFO L168 Benchmark]: TraceAbstraction took 310.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.6 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:58:49,369 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.1 GB. Free memory is still 997.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:58:49,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 249.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 310.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.6 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.1 GB. Free memory is still 997.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 153]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 152. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=45, \old(halF_exp)=21, \old(huge_exp)=37, \old(invln2_exp)=18, \old(ln2HI_exp)=42, \old(ln2HI_exp)=17, \old(ln2LO_exp)=27, \old(ln2LO_exp)=44, \old(o_threshold_exp)=25, \old(one_exp)=35, \old(P1_exp)=20, \old(P2_exp)=23, \old(P3_exp)=29, \old(P4_exp)=33, \old(P5_exp)=31, \old(twom1000_exp)=24, \old(u_threshold_exp)=43, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -1.0 / 0.0; VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L150] RET, EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=39, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L150] double res = __ieee754_exp(x); [L152] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=39, res == 0.0 && __signbit_double(res) == 0=0, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L152] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L153] __VERIFIER_error() VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=39, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 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=57occurred 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, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:58:50,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:58:50,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:58:50,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:58:50,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:58:50,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:58:50,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:58:50,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:58:50,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:58:50,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:58:50,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:58:50,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:58:50,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:58:50,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:58:50,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:58:50,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:58:50,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:58:50,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:58:50,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:58:50,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:58:50,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:58:50,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:58:50,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:58:50,702 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:58:50,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:58:50,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:58:50,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:58:50,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:58:50,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:58:50,706 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:58:50,706 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:58:50,706 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:58:50,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:58:50,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:58:50,707 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:58:50,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:58:50,708 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 11:58:50,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:58:50,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:58:50,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:58:50,720 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:58:50,720 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:58:50,720 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:58:50,720 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:58:50,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:58:50,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:58:50,722 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:58:50,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:58:50,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:58:50,723 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 11:58:50,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:58:50,723 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 11:58:50,723 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 11:58:50,723 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_7c430aad-9ae8-4c09-9ea4-3306544f1764/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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef [2018-12-08 11:58:50,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:58:50,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:58:50,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:58:50,760 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:58:50,760 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:58:50,761 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-08 11:58:50,799 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/44441b3a4/4fb9c6ef15df42e0942e8c6c312c0790/FLAG23a1f5395 [2018-12-08 11:58:51,202 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:58:51,202 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-08 11:58:51,206 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/44441b3a4/4fb9c6ef15df42e0942e8c6c312c0790/FLAG23a1f5395 [2018-12-08 11:58:51,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/data/44441b3a4/4fb9c6ef15df42e0942e8c6c312c0790 [2018-12-08 11:58:51,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:58:51,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:58:51,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:58:51,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:58:51,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:58:51,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc28ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51, skipping insertion in model container [2018-12-08 11:58:51,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:58:51,238 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:58:51,348 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:58:51,352 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:58:51,379 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:58:51,396 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:58:51,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51 WrapperNode [2018-12-08 11:58:51,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:58:51,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:58:51,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:58:51,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:58:51,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:58:51,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:58:51,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:58:51,422 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:58:51,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... [2018-12-08 11:58:51,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:58:51,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:58:51,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:58:51,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:58:51,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:58:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 11:58:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-08 11:58:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-08 11:58:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:58:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:58:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 11:58:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:58:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:58:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 11:58:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:58:51,614 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:58:51,938 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,641 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,666 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,686 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,710 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,734 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,760 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:59:01,776 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:59:01,776 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 11:59:01,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:59:01 BoogieIcfgContainer [2018-12-08 11:59:01,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:59:01,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:59:01,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:59:01,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:59:01,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:51" (1/3) ... [2018-12-08 11:59:01,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39843dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:59:01, skipping insertion in model container [2018-12-08 11:59:01,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:51" (2/3) ... [2018-12-08 11:59:01,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39843dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:59:01, skipping insertion in model container [2018-12-08 11:59:01,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:59:01" (3/3) ... [2018-12-08 11:59:01,782 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-12-08 11:59:01,790 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:59:01,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:59:01,808 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:59:01,826 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:59:01,826 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:59:01,826 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:59:01,826 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:59:01,826 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:59:01,827 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:59:01,827 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:59:01,827 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:59:01,827 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:59:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-12-08 11:59:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:59:01,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:59:01,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:59:01,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:59:01,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:59:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1011140343, now seen corresponding path program 1 times [2018-12-08 11:59:01,851 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 11:59:01,852 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 11:59:01,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:59:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:59:02,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:59:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:59:02,148 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:59:02,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:59:02,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:59:02,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:59:02,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:59:02,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:59:02,172 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-12-08 11:59:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:59:02,187 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-12-08 11:59:02,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:59:02,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-08 11:59:02,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:59:02,197 INFO L225 Difference]: With dead ends: 106 [2018-12-08 11:59:02,197 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 11:59:02,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:59:02,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 11:59:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-08 11:59:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-08 11:59:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-12-08 11:59:02,228 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 19 [2018-12-08 11:59:02,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:59:02,228 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-12-08 11:59:02,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:59:02,228 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-08 11:59:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:59:02,229 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:59:02,229 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] [2018-12-08 11:59:02,229 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:59:02,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:59:02,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1686924410, now seen corresponding path program 1 times [2018-12-08 11:59:02,230 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 11:59:02,230 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 11:59:02,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:59:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:59:02,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:59:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:59:02,634 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:59:02,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:59:02,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:59:02,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:59:02,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:59:02,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:59:02,647 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 7 states. [2018-12-08 11:59:17,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:59:17,487 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2018-12-08 11:59:17,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:59:17,489 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-08 11:59:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:59:17,490 INFO L225 Difference]: With dead ends: 73 [2018-12-08 11:59:17,490 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 11:59:17,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 11:59:17,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 11:59:17,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2018-12-08 11:59:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-08 11:59:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2018-12-08 11:59:17,496 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 20 [2018-12-08 11:59:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:59:17,496 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2018-12-08 11:59:17,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:59:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2018-12-08 11:59:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:59:17,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:59:17,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:59:17,497 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:59:17,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:59:17,497 INFO L82 PathProgramCache]: Analyzing trace with hash -419667678, now seen corresponding path program 1 times [2018-12-08 11:59:17,498 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 11:59:17,498 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 11:59:17,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:59:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:59:17,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:59:18,048 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-08 11:59:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:59:18,092 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:59:18,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:59:18,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:59:18,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 11:59:18,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 11:59:18,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:59:18,102 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand 8 states. [2018-12-08 11:59:25,929 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-08 11:59:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:59:31,805 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-12-08 11:59:31,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:59:31,806 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-12-08 11:59:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:59:31,807 INFO L225 Difference]: With dead ends: 72 [2018-12-08 11:59:31,807 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 11:59:31,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:59:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 11:59:31,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-12-08 11:59:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-08 11:59:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2018-12-08 11:59:31,813 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 22 [2018-12-08 11:59:31,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:59:31,813 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2018-12-08 11:59:31,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 11:59:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2018-12-08 11:59:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:59:31,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:59:31,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:59:31,815 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:59:31,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:59:31,815 INFO L82 PathProgramCache]: Analyzing trace with hash 784724264, now seen corresponding path program 1 times [2018-12-08 11:59:31,815 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 11:59:31,815 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-08 11:59:31,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:59:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:59:34,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:59:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:59:34,724 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:59:34,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:59:34,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:59:34,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:59:34,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:59:34,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:59:34,760 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand 7 states. [2018-12-08 11:59:52,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:59:52,567 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2018-12-08 11:59:52,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 11:59:52,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-08 11:59:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:59:52,569 INFO L225 Difference]: With dead ends: 87 [2018-12-08 11:59:52,569 INFO L226 Difference]: Without dead ends: 55 [2018-12-08 11:59:52,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 11:59:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-08 11:59:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2018-12-08 11:59:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 11:59:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-12-08 11:59:52,573 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 22 [2018-12-08 11:59:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:59:52,574 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-12-08 11:59:52,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:59:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-12-08 11:59:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:59:52,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:59:52,575 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:59:52,575 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:59:52,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:59:52,575 INFO L82 PathProgramCache]: Analyzing trace with hash -728434614, now seen corresponding path program 1 times [2018-12-08 11:59:52,575 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 11:59:52,575 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 11:59:52,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:59:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:59:56,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:59:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:59:56,373 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:59:56,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:59:56,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:59:56,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:59:56,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:59:56,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:59:56,420 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 7 states. [2018-12-08 12:00:07,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:00:07,963 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2018-12-08 12:00:07,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:00:07,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-08 12:00:07,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:00:07,965 INFO L225 Difference]: With dead ends: 84 [2018-12-08 12:00:07,966 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 12:00:07,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:00:07,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 12:00:07,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-12-08 12:00:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 12:00:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-12-08 12:00:07,970 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 23 [2018-12-08 12:00:07,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:00:07,970 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-12-08 12:00:07,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:00:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-12-08 12:00:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:00:07,971 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:00:07,971 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:00:07,971 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:00:07,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:00:07,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2020447847, now seen corresponding path program 1 times [2018-12-08 12:00:07,971 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 12:00:07,971 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 12:00:07,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:00:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:00:08,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:00:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:00:08,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:00:08,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:00:08,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:00:08,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:00:08,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:00:08,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:00:08,177 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 7 states. [2018-12-08 12:00:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:00:19,112 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2018-12-08 12:00:19,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:00:19,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-08 12:00:19,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:00:19,500 INFO L225 Difference]: With dead ends: 69 [2018-12-08 12:00:19,500 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 12:00:19,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:00:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 12:00:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-12-08 12:00:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 12:00:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-12-08 12:00:19,505 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 24 [2018-12-08 12:00:19,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:00:19,505 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-12-08 12:00:19,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:00:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-12-08 12:00:19,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:00:19,506 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:00:19,506 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:00:19,506 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:00:19,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:00:19,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1211101221, now seen corresponding path program 1 times [2018-12-08 12:00:19,507 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 12:00:19,507 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-08 12:00:19,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:00:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:00:19,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:00:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:00:19,661 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:00:19,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:00:19,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:00:19,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:00:19,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:00:19,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:00:19,670 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 6 states. [2018-12-08 12:00:22,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:00:22,995 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-12-08 12:00:22,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:00:22,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-08 12:00:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:00:22,997 INFO L225 Difference]: With dead ends: 58 [2018-12-08 12:00:22,997 INFO L226 Difference]: Without dead ends: 55 [2018-12-08 12:00:22,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:00:22,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-08 12:00:23,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-08 12:00:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-08 12:00:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-12-08 12:00:23,004 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 24 [2018-12-08 12:00:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:00:23,004 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-12-08 12:00:23,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:00:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-12-08 12:00:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:00:23,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:00:23,005 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:00:23,005 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:00:23,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:00:23,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1036207750, now seen corresponding path program 1 times [2018-12-08 12:00:23,006 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 12:00:23,006 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-08 12:00:23,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:00:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:00:26,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:00:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:00:26,835 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:00:26,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:00:26,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:00:26,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:00:26,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:00:26,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:00:26,880 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 7 states. [2018-12-08 12:00:38,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:00:38,025 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-12-08 12:00:38,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:00:38,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-08 12:00:38,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:00:38,430 INFO L225 Difference]: With dead ends: 66 [2018-12-08 12:00:38,430 INFO L226 Difference]: Without dead ends: 33 [2018-12-08 12:00:38,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:00:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-08 12:00:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-08 12:00:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-08 12:00:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-12-08 12:00:38,434 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 26 [2018-12-08 12:00:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:00:38,435 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-12-08 12:00:38,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:00:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-12-08 12:00:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 12:00:38,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:00:38,435 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:00:38,436 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:00:38,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:00:38,436 INFO L82 PathProgramCache]: Analyzing trace with hash 406029610, now seen corresponding path program 1 times [2018-12-08 12:00:38,436 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 12:00:38,436 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-12-08 12:00:38,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:00:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:00:38,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:00:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:00:38,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:00:38,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:00:38,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 12:00:38,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 12:00:38,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 12:00:38,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 12:00:38,725 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 11 states. [2018-12-08 12:00:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:00:39,079 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-12-08 12:00:39,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 12:00:39,080 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-12-08 12:00:39,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:00:39,080 INFO L225 Difference]: With dead ends: 33 [2018-12-08 12:00:39,080 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 12:00:39,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-12-08 12:00:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 12:00:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 12:00:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 12:00:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 12:00:39,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-08 12:00:39,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:00:39,081 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:00:39,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 12:00:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:00:39,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:00:39,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 12:00:39,267 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-08 12:00:39,267 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (and (= __ieee754_exp_~x |__ieee754_exp_#in~x|) (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|)) |__ieee754_exp_#in~x|) (= __ieee754_exp_~hx~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_11|))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= __ieee754_exp_~xsb~0 (bvand (_ bv1 32) (bvlshr ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |__ieee754_exp_#in~x|)))) [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|)) |__ieee754_exp_#in~x|) (not (bvuge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_14|)) (_ bv2146435072 32))))) [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-12-08 12:00:39,268 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L451 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (= __ieee754_exp_~x |__ieee754_exp_#in~x|) [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L444 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|)) |__ieee754_exp_#in~x|) (not (bvuge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_14|)) (_ bv2146435072 32))))) [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-12-08 12:00:39,269 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 131 141) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 131 141) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 131 141) the Hoare annotation is: true [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 12:00:39,270 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:00:39,270 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 143 158) the Hoare annotation is: true [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 143 158) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L444 ceAbstractionStarter]: At program point L152-1(line 152) the Hoare annotation is: (and (= (_ +zero 11 53) main_~res~0) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) |main_#t~short22|) [2018-12-08 12:00:39,271 INFO L444 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point L152-2(line 152) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point L152-4(lines 152 155) no Hoare annotation was computed. [2018-12-08 12:00:39,271 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 143 158) no Hoare annotation was computed. [2018-12-08 12:00:39,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:00:39 BoogieIcfgContainer [2018-12-08 12:00:39,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:00:39,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:00:39,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:00:39,285 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:00:39,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:59:01" (3/4) ... [2018-12-08 12:00:39,287 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:00:39,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-12-08 12:00:39,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 12:00:39,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-08 12:00:39,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 12:00:39,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-08 12:00:39,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-08 12:00:39,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:00:39,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:00:39,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:00:39,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 12:00:39,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 12:00:39,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32]))) && (\exists v_q#valueAsBitvector_13 : bv64 :: xsb == ~bvand32(1bv32, ~bvlshr32(v_q#valueAsBitvector_13[63:32], 31bv32)) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_13[63:63], v_q#valueAsBitvector_13[62:52], v_q#valueAsBitvector_13[51:0]) == \old(x)) [2018-12-08 12:00:39,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) [2018-12-08 12:00:39,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) [2018-12-08 12:00:39,328 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c430aad-9ae8-4c09-9ea4-3306544f1764/bin-2019/uautomizer/witness.graphml [2018-12-08 12:00:39,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:00:39,329 INFO L168 Benchmark]: Toolchain (without parser) took 108112.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 944.7 MB in the beginning and 750.8 MB in the end (delta: 193.9 MB). Peak memory consumption was 429.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:00:39,329 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:00:39,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.36 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:00:39,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 40.4 MB). Free memory was 928.6 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:00:39,330 INFO L168 Benchmark]: Boogie Preprocessor took 49.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 195.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -213.3 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2018-12-08 12:00:39,330 INFO L168 Benchmark]: RCFGBuilder took 10305.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:00:39,330 INFO L168 Benchmark]: TraceAbstraction took 97506.95 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 750.8 MB in the end (delta: 409.7 MB). Peak memory consumption was 409.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:00:39,331 INFO L168 Benchmark]: Witness Printer took 43.90 ms. Allocated memory is still 1.3 GB. Free memory is still 750.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:00:39,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.36 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 40.4 MB). Free memory was 928.6 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 195.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -213.3 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * RCFGBuilder took 10305.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 97506.95 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 750.8 MB in the end (delta: 409.7 MB). Peak memory consumption was 409.7 MB. Max. memory is 11.5 GB. * Witness Printer took 43.90 ms. Allocated memory is still 1.3 GB. Free memory is still 750.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: 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: 134]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 116]: Loop Invariant [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) - InvariantResult [Line: 102]: Loop Invariant [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-08 12:00:39,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 60]: Loop Invariant [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-08 12:00:39,338 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32]))) && (\exists v_q#valueAsBitvector_13 : bv64 :: xsb == ~bvand32(1bv32, ~bvlshr32(v_q#valueAsBitvector_13[63:32], 31bv32)) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_13[63:63], v_q#valueAsBitvector_13[62:52], v_q#valueAsBitvector_13[51:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. SAFE Result, 97.4s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 84.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 400 SDtfs, 328 SDslu, 1438 SDs, 0 SdLazy, 487 SolverSat, 15 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 75.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 9 MinimizatonAttempts, 17 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 27 PreInvPairs, 37 NumberOfFragments, 111 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 142 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 203 ConstructedInterpolants, 63 QuantifiedInterpolants, 33461 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1268 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...