./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb .............................................................................................................................................................................................................................................................................................................................. 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_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:11:13,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:11:13,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:11:13,735 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:11:13,735 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:11:13,736 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:11:13,737 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:11:13,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:11:13,740 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:11:13,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:11:13,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:11:13,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:11:13,742 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:11:13,742 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:11:13,743 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:11:13,744 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:11:13,745 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:11:13,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:11:13,747 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:11:13,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:11:13,749 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:11:13,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:11:13,756 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:11:13,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:11:13,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:11:13,757 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:11:13,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:11:13,758 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:11:13,758 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:11:13,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:11:13,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:11:13,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:11:13,762 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:11:13,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:11:13,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:11:13,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:11:13,763 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 00:11:13,777 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:11:13,777 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:11:13,778 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:11:13,778 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:11:13,779 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:11:13,780 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:11:13,780 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:11:13,780 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:11:13,781 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:11:13,782 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:11:13,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:11:13,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:11:13,782 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:11:13,782 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:11:13,782 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:11:13,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:11:13,782 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:11:13,783 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:11:13,783 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:11:13,783 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 00:11:13,783 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:11:13,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:11:13,783 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_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-10-27 00:11:13,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:11:13,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:11:13,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:11:13,845 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:11:13,846 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:11:13,847 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-10-27 00:11:13,896 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/d5b92b288/ac8a718a28fd4f6aa5465c6a495b1499/FLAGb2e74650a [2018-10-27 00:11:14,281 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:11:14,281 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-10-27 00:11:14,288 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/d5b92b288/ac8a718a28fd4f6aa5465c6a495b1499/FLAGb2e74650a [2018-10-27 00:11:14,300 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/d5b92b288/ac8a718a28fd4f6aa5465c6a495b1499 [2018-10-27 00:11:14,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:11:14,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:11:14,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:11:14,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:11:14,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:11:14,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e2288e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14, skipping insertion in model container [2018-10-27 00:11:14,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:11:14,345 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:11:14,504 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:11:14,506 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:11:14,547 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:11:14,565 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:11:14,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14 WrapperNode [2018-10-27 00:11:14,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:11:14,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:11:14,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:11:14,566 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:11:14,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:11:14,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:11:14,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:11:14,650 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:11:14,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:11:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:11:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:11:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-27 00:11:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-27 00:11:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-27 00:11:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-10-27 00:11:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:11:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:11:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-27 00:11:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 00:11:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-27 00:11:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-27 00:11:15,696 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:11:15,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:15 BoogieIcfgContainer [2018-10-27 00:11:15,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:11:15,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:11:15,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:11:15,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:11:15,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:11:14" (1/3) ... [2018-10-27 00:11:15,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a7bc0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:11:15, skipping insertion in model container [2018-10-27 00:11:15,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (2/3) ... [2018-10-27 00:11:15,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a7bc0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:11:15, skipping insertion in model container [2018-10-27 00:11:15,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:15" (3/3) ... [2018-10-27 00:11:15,702 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-10-27 00:11:15,708 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:11:15,714 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:11:15,724 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:11:15,749 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:11:15,750 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:11:15,750 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:11:15,750 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:11:15,750 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:11:15,751 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:11:15,751 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:11:15,751 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:11:15,751 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:11:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-10-27 00:11:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:11:15,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:11:15,775 INFO L375 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] [2018-10-27 00:11:15,776 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:11:15,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:15,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1382639809, now seen corresponding path program 1 times [2018-10-27 00:11:15,783 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:11:15,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:11:15,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:11:15,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:11:15,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:11:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:15,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:11:15,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:11:15,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:11:15,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:11:15,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:11:15,918 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-10-27 00:11:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:11:15,953 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2018-10-27 00:11:15,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:11:15,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-10-27 00:11:15,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:11:15,963 INFO L225 Difference]: With dead ends: 263 [2018-10-27 00:11:15,964 INFO L226 Difference]: Without dead ends: 131 [2018-10-27 00:11:15,967 INFO L605 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 [2018-10-27 00:11:15,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-10-27 00:11:15,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-10-27 00:11:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-10-27 00:11:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 148 transitions. [2018-10-27 00:11:16,004 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 148 transitions. Word has length 22 [2018-10-27 00:11:16,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:11:16,004 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 148 transitions. [2018-10-27 00:11:16,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:11:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2018-10-27 00:11:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:11:16,005 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:11:16,005 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:11:16,005 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:11:16,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:16,006 INFO L82 PathProgramCache]: Analyzing trace with hash -468240096, now seen corresponding path program 1 times [2018-10-27 00:11:16,006 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:11:16,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:11:16,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:11:16,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:11:16,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:11:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:11:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:11:16,103 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:11:16,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:11:16 BoogieIcfgContainer [2018-10-27 00:11:16,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:11:16,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:11:16,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:11:16,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:11:16,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:15" (3/4) ... [2018-10-27 00:11:16,154 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:11:16,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:11:16,155 INFO L168 Benchmark]: Toolchain (without parser) took 1850.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:16,157 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:11:16,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.09 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 939.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:16,160 INFO L168 Benchmark]: Boogie Preprocessor took 83.45 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:16,161 INFO L168 Benchmark]: RCFGBuilder took 1047.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:16,161 INFO L168 Benchmark]: TraceAbstraction took 451.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:16,162 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:16,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.09 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 939.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.45 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1047.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 451.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=24, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=18, \old(pio4_hi_asin)=12, \old(pS0_asin)=17, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=16, \old(pS4_asin)=22, \old(pS5_asin)=14, \old(qS1_asin)=27, \old(qS2_asin)=23, \old(qS3_asin)=5, \old(qS4_asin)=19, \old(tiny_sqrt)=20, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L188] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L112] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=8, gf_u={21:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L113] FCALL gf_u.value = (x) VAL [\old(x)=8, gf_u={21:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L114] EXPR, FCALL gf_u.word VAL [\old(x)=8, gf_u={21:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L114] (hx) = gf_u.word [L115] COND FALSE !(0) VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L116] ix = hx & 0x7fffffff VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L117] COND TRUE ix == 0x3f800000 [L119] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, hx=3, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L188] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=26, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) VAL [\old(x)=26, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=26, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=26] [L191] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, tiny_sqrt=1/1000000000000000000000000000000, x=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 136 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 154 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=136occurred 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, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 0.1.23-1dbac8b [2018-10-27 00:11:17,994 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:11:17,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:11:18,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:11:18,007 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:11:18,008 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:11:18,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:11:18,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:11:18,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:11:18,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:11:18,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:11:18,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:11:18,013 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:11:18,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:11:18,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:11:18,015 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:11:18,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:11:18,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:11:18,018 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:11:18,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:11:18,028 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:11:18,029 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:11:18,031 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:11:18,031 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:11:18,031 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:11:18,032 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:11:18,033 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:11:18,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:11:18,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:11:18,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:11:18,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:11:18,036 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:11:18,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:11:18,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:11:18,037 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:11:18,037 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:11:18,038 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 00:11:18,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:11:18,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:11:18,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:11:18,050 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:11:18,051 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:11:18,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:11:18,051 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:11:18,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:11:18,052 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:11:18,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:11:18,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:11:18,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:11:18,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:11:18,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:11:18,053 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:11:18,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:11:18,054 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:11:18,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:11:18,054 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:11:18,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:11:18,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:11:18,054 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 00:11:18,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:11:18,057 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:11:18,057 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:11:18,057 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_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-10-27 00:11:18,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:11:18,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:11:18,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:11:18,104 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:11:18,104 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:11:18,105 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-10-27 00:11:18,149 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/ae9d56f47/101a2984762342fa82097bfcd7c8882f/FLAG110a0bfe2 [2018-10-27 00:11:18,566 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:11:18,567 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-10-27 00:11:18,573 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/ae9d56f47/101a2984762342fa82097bfcd7c8882f/FLAG110a0bfe2 [2018-10-27 00:11:18,585 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/data/ae9d56f47/101a2984762342fa82097bfcd7c8882f [2018-10-27 00:11:18,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:11:18,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:11:18,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:11:18,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:11:18,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:11:18,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca949da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18, skipping insertion in model container [2018-10-27 00:11:18,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:11:18,630 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:11:18,832 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:11:18,849 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:11:18,917 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:11:18,941 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:11:18,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18 WrapperNode [2018-10-27 00:11:18,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:11:18,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:11:18,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:11:18,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:11:18,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... [2018-10-27 00:11:18,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:11:18,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:11:18,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:11:18,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:11:18,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:11:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:11:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:11:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-27 00:11:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-27 00:11:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-27 00:11:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-10-27 00:11:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:11:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:11:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-27 00:11:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-27 00:11:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-27 00:11:19,434 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:19,462 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:26,768 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:26,779 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:29,019 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:29,033 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:29,311 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:29,367 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:11:29,935 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:11:29,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:29 BoogieIcfgContainer [2018-10-27 00:11:29,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:11:29,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:11:29,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:11:29,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:11:29,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:11:18" (1/3) ... [2018-10-27 00:11:29,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6085ea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:11:29, skipping insertion in model container [2018-10-27 00:11:29,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:18" (2/3) ... [2018-10-27 00:11:29,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6085ea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:11:29, skipping insertion in model container [2018-10-27 00:11:29,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:29" (3/3) ... [2018-10-27 00:11:29,941 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-10-27 00:11:29,949 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:11:29,954 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:11:29,964 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:11:29,986 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:11:29,987 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:11:29,987 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:11:29,987 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:11:29,988 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:11:29,988 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:11:29,988 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:11:29,988 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:11:29,988 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:11:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-10-27 00:11:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:11:30,009 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:11:30,010 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:11:30,012 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:11:30,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:30,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1489051016, now seen corresponding path program 1 times [2018-10-27 00:11:30,020 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:11:30,020 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:11:30,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:11:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:30,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:11:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:30,247 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:11:30,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:11:30,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:11:30,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:11:30,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:11:30,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:11:30,270 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-10-27 00:11:30,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:11:30,300 INFO L93 Difference]: Finished difference Result 261 states and 332 transitions. [2018-10-27 00:11:30,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:11:30,301 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-10-27 00:11:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:11:30,310 INFO L225 Difference]: With dead ends: 261 [2018-10-27 00:11:30,310 INFO L226 Difference]: Without dead ends: 130 [2018-10-27 00:11:30,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:11:30,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-27 00:11:30,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-10-27 00:11:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-27 00:11:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-10-27 00:11:30,351 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-10-27 00:11:30,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:11:30,351 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-10-27 00:11:30,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:11:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-10-27 00:11:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:11:30,352 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:11:30,352 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:11:30,353 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:11:30,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:30,353 INFO L82 PathProgramCache]: Analyzing trace with hash 198946282, now seen corresponding path program 1 times [2018-10-27 00:11:30,354 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:11:30,354 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:11:30,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:11:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:30,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:11:30,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:11:30,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:11:30,825 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:11:30,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:30,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:30,873 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:11:30,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:11:30,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:11:30,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:11:30,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:30,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:30,932 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:11:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:31,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:11:31,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:11:31,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:11:31,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:11:31,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:11:31,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:11:31,262 INFO L87 Difference]: Start difference. First operand 130 states and 147 transitions. Second operand 9 states. [2018-10-27 00:11:38,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:11:38,148 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2018-10-27 00:11:38,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 00:11:38,149 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-10-27 00:11:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:11:38,154 INFO L225 Difference]: With dead ends: 143 [2018-10-27 00:11:38,154 INFO L226 Difference]: Without dead ends: 133 [2018-10-27 00:11:38,155 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-10-27 00:11:38,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-27 00:11:38,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2018-10-27 00:11:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-27 00:11:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 146 transitions. [2018-10-27 00:11:38,166 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 146 transitions. Word has length 30 [2018-10-27 00:11:38,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:11:38,167 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 146 transitions. [2018-10-27 00:11:38,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:11:38,168 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2018-10-27 00:11:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:11:38,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:11:38,169 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:11:38,169 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:11:38,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:38,169 INFO L82 PathProgramCache]: Analyzing trace with hash 941059086, now seen corresponding path program 1 times [2018-10-27 00:11:38,170 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:11:38,170 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:11:38,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:11:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:38,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:11:39,389 WARN L179 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-27 00:11:41,344 WARN L179 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-27 00:11:43,575 WARN L179 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-27 00:11:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:46,158 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:11:46,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:11:46,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:11:46,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:11:46,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:11:46,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:11:46,174 INFO L87 Difference]: Start difference. First operand 130 states and 146 transitions. Second operand 7 states. [2018-10-27 00:11:54,537 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 00:11:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:11:56,534 INFO L93 Difference]: Finished difference Result 137 states and 153 transitions. [2018-10-27 00:11:56,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:11:56,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-10-27 00:11:56,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:11:56,536 INFO L225 Difference]: With dead ends: 137 [2018-10-27 00:11:56,536 INFO L226 Difference]: Without dead ends: 130 [2018-10-27 00:11:56,537 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:11:56,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-27 00:11:56,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-10-27 00:11:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-27 00:11:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 145 transitions. [2018-10-27 00:11:56,550 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 145 transitions. Word has length 31 [2018-10-27 00:11:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:11:56,550 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 145 transitions. [2018-10-27 00:11:56,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:11:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2018-10-27 00:11:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 00:11:56,551 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:11:56,551 INFO L375 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, 1] [2018-10-27 00:11:56,551 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:11:56,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash -973009308, now seen corresponding path program 1 times [2018-10-27 00:11:56,552 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:11:56,552 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:11:56,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:11:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:57,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:11:57,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:11:57,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:11:57,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:11:57,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:57,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:57,650 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:11:57,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:11:57,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:11:57,686 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:11:57,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:57,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:11:57,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:11:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:57,949 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:11:57,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:11:57,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-27 00:11:57,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 00:11:57,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 00:11:57,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:11:57,968 INFO L87 Difference]: Start difference. First operand 130 states and 145 transitions. Second operand 11 states. [2018-10-27 00:12:03,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:12:03,564 INFO L93 Difference]: Finished difference Result 172 states and 191 transitions. [2018-10-27 00:12:03,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-27 00:12:03,566 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-10-27 00:12:03,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:12:03,567 INFO L225 Difference]: With dead ends: 172 [2018-10-27 00:12:03,567 INFO L226 Difference]: Without dead ends: 114 [2018-10-27 00:12:03,567 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-10-27 00:12:03,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-27 00:12:03,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2018-10-27 00:12:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-27 00:12:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2018-10-27 00:12:03,577 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 33 [2018-10-27 00:12:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:12:03,577 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2018-10-27 00:12:03,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 00:12:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2018-10-27 00:12:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-27 00:12:03,578 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:12:03,580 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:12:03,580 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:12:03,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:12:03,581 INFO L82 PathProgramCache]: Analyzing trace with hash 720506233, now seen corresponding path program 1 times [2018-10-27 00:12:03,581 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:12:03,581 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:12:03,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:12:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:12:04,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:12:04,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:12:04,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:12:04,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:12:04,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:12:04,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:12:04,829 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:12:04,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:12:04,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:12:04,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:12:04,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:12:04,857 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:12:04,857 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:12:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:12:05,069 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:12:05,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:12:05,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-27 00:12:05,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 00:12:05,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 00:12:05,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:12:05,095 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 11 states. [2018-10-27 00:12:05,796 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-10-27 00:12:08,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:12:08,309 INFO L93 Difference]: Finished difference Result 125 states and 139 transitions. [2018-10-27 00:12:08,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-27 00:12:08,310 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-10-27 00:12:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:12:08,311 INFO L225 Difference]: With dead ends: 125 [2018-10-27 00:12:08,311 INFO L226 Difference]: Without dead ends: 109 [2018-10-27 00:12:08,311 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-10-27 00:12:08,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-10-27 00:12:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-10-27 00:12:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-27 00:12:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2018-10-27 00:12:08,318 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 77 [2018-10-27 00:12:08,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:12:08,318 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2018-10-27 00:12:08,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 00:12:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2018-10-27 00:12:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-27 00:12:08,320 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:12:08,320 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:12:08,320 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:12:08,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:12:08,321 INFO L82 PathProgramCache]: Analyzing trace with hash -561287118, now seen corresponding path program 1 times [2018-10-27 00:12:08,321 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:12:08,321 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/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 [2018-10-27 00:12:08,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:12:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:12:09,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:12:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:12:09,735 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:12:09,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:12:09,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:12:09,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:12:09,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:12:09,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:12:09,764 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand 5 states. [2018-10-27 00:12:09,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:12:09,839 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2018-10-27 00:12:09,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:12:09,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2018-10-27 00:12:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:12:09,840 INFO L225 Difference]: With dead ends: 109 [2018-10-27 00:12:09,840 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:12:09,841 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:12:09,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:12:09,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:12:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:12:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:12:09,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-10-27 00:12:09,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:12:09,843 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:12:09,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:12:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:12:09,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:12:09,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:12:10,252 WARN L179 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-10-27 00:12:10,632 WARN L179 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-10-27 00:12:11,967 WARN L179 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:12:11,968 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-10-27 00:12:11,968 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L93-2(line 93) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L91-2(line 91) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L91-3(line 91) no Hoare annotation was computed. [2018-10-27 00:12:11,969 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 83 96) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L88-1(line 88) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L88-2(line 88) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-10-27 00:12:11,970 INFO L425 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point L86-3(line 86) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:12:11,971 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L421 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (and (exists ((__ieee754_asinf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.sub RNE __ieee754_asinf_~x __ieee754_asinf_~x))) (fp.div RNE .cse0 .cse0)))) (let ((.cse1 ((_ to_fp 8 24) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse1)) (fp.gt main_~x~0 .cse1)))) [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 194) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 176 198) the Hoare annotation is: true [2018-10-27 00:12:11,971 INFO L421 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2018-10-27 00:12:11,971 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 176 198) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 176 198) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L159-2(lines 151 169) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L159-3(lines 159 163) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-10-27 00:12:11,972 INFO L421 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (let ((.cse1 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (or (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse0 (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)))) (and (not (bvslt .cse0 (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (= (bvadd .cse0 (_ bv3229614080 32)) (_ bv0 32))) (not (bvsgt .cse0 (_ bv1065353216 32)))))) .cse1) (and (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse1))) [2018-10-27 00:12:11,972 INFO L425 ceAbstractionStarter]: For program point L155-2(line 155) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L155-3(line 155) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L421 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse1 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (or (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse0 (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)))) (and (not (bvslt .cse0 (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (= (bvadd .cse0 (_ bv3229614080 32)) (_ bv0 32))) (not (bvsgt .cse0 (_ bv1065353216 32)))))) .cse1) (and (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse1))) [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L114-1(line 114) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L160-2(line 160) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L160-3(line 160) no Hoare annotation was computed. [2018-10-27 00:12:11,973 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L421 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-27 00:12:11,974 INFO L425 ceAbstractionStarter]: For program point L112-1(line 112) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L112-2(line 112) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L112-3(line 112) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L162-2(line 162) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L421 ceAbstractionStarter]: At program point L154-3(lines 154 158) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-10-27 00:12:11,975 INFO L425 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-10-27 00:12:11,976 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L428 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-10-27 00:12:11,977 INFO L428 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-10-27 00:12:11,978 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-10-27 00:12:11,979 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-10-27 00:12:11,979 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-10-27 00:12:11,979 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-10-27 00:12:11,979 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-10-27 00:12:11,986 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,987 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,987 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,987 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,992 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,992 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,992 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,992 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:11,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:12:11 BoogieIcfgContainer [2018-10-27 00:12:11,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:12:11,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:12:11,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:12:11,995 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:12:11,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:29" (3/4) ... [2018-10-27 00:12:11,999 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:12:12,004 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-10-27 00:12:12,004 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:12:12,005 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-27 00:12:12,005 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:12:12,005 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-10-27 00:12:12,005 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-10-27 00:12:12,012 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-27 00:12:12,012 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-10-27 00:12:12,013 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 00:12:12,013 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:12:12,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-27 00:12:12,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-10-27 00:12:12,072 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55c4e1de-bd1c-4abb-adfd-9f44b46e306a/bin-2019/uautomizer/witness.graphml [2018-10-27 00:12:12,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:12:12,073 INFO L168 Benchmark]: Toolchain (without parser) took 53485.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:12:12,074 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:12:12,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:12:12,074 INFO L168 Benchmark]: Boogie Preprocessor took 53.08 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:12:12,075 INFO L168 Benchmark]: RCFGBuilder took 10939.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:12:12,075 INFO L168 Benchmark]: TraceAbstraction took 42058.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -6.7 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:12:12,075 INFO L168 Benchmark]: Witness Printer took 77.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:12:12,077 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.08 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10939.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42058.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -6.7 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * Witness Printer took 77.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-10-27 00:12:12,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:12:12,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 135 locations, 1 error locations. SAFE Result, 42.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 26.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 799 SDtfs, 368 SDslu, 3383 SDs, 0 SdLazy, 418 SolverSat, 50 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 38 PreInvPairs, 56 NumberOfFragments, 293 HoareAnnotationTreeSize, 38 FomulaSimplifications, 112 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 197 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 265 ConstructedInterpolants, 34 QuantifiedInterpolants, 64761 SizeOfPredicates, 29 NumberOfNonLiveVariables, 835 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...