./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/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 56df0817616f6c5016a1ac832f32db0c87e1c370 ............................................................................................................................................................................................................................................................................................................................. 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_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/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 56df0817616f6c5016a1ac832f32db0c87e1c370 ........................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:17:46,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:17:46,646 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:17:46,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:17:46,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:17:46,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:17:46,655 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:17:46,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:17:46,657 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:17:46,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:17:46,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:17:46,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:17:46,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:17:46,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:17:46,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:17:46,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:17:46,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:17:46,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:17:46,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:17:46,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:17:46,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:17:46,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:17:46,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:17:46,668 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:17:46,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:17:46,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:17:46,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:17:46,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:17:46,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:17:46,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:17:46,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:17:46,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:17:46,672 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:17:46,672 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:17:46,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:17:46,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:17:46,674 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:17:46,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:17:46,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:17:46,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:17:46,684 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:17:46,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:17:46,685 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:17:46,685 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:17:46,685 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:17:46,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:17:46,685 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:17:46,685 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:17:46,686 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:17:46,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:17:46,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:17:46,687 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:17:46,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:17:46,687 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:17:46,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:17:46,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:17:46,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:17:46,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:17:46,688 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:17:46,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:17:46,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:17:46,688 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_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/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 -> 56df0817616f6c5016a1ac832f32db0c87e1c370 [2018-11-28 13:17:46,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:17:46,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:17:46,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:17:46,725 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:17:46,726 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:17:46,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-11-28 13:17:46,764 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/b66c40ffa/4cfacf2f71dc420bb0d189ee59daccfc/FLAG17331a688 [2018-11-28 13:17:47,072 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:17:47,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-11-28 13:17:47,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/b66c40ffa/4cfacf2f71dc420bb0d189ee59daccfc/FLAG17331a688 [2018-11-28 13:17:47,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/b66c40ffa/4cfacf2f71dc420bb0d189ee59daccfc [2018-11-28 13:17:47,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:17:47,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:17:47,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:17:47,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:17:47,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:17:47,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325e5759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47, skipping insertion in model container [2018-11-28 13:17:47,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:17:47,111 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:17:47,219 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:17:47,222 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:17:47,240 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:17:47,254 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:17:47,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47 WrapperNode [2018-11-28 13:17:47,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:17:47,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:17:47,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:17:47,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:17:47,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:17:47,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:17:47,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:17:47,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:17:47,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... [2018-11-28 13:17:47,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:17:47,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:17:47,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:17:47,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:17:47,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:17:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-28 13:17:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-28 13:17:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:17:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:17:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 13:17:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:17:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-28 13:17:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-28 13:17:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:17:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:17:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 13:17:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:17:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:17:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:17:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:17:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:17:47,547 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:17:47,548 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 13:17:47,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:47 BoogieIcfgContainer [2018-11-28 13:17:47,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:17:47,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:17:47,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:17:47,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:17:47,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:17:47" (1/3) ... [2018-11-28 13:17:47,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276ed012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:17:47, skipping insertion in model container [2018-11-28 13:17:47,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:47" (2/3) ... [2018-11-28 13:17:47,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276ed012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:17:47, skipping insertion in model container [2018-11-28 13:17:47,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:47" (3/3) ... [2018-11-28 13:17:47,558 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b_true-unreach-call.c [2018-11-28 13:17:47,566 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:17:47,571 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:17:47,579 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:17:47,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:17:47,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:17:47,597 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:17:47,597 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:17:47,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:17:47,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:17:47,597 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:17:47,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:17:47,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:17:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-28 13:17:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:17:47,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:17:47,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:47,613 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:17:47,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:47,616 INFO L82 PathProgramCache]: Analyzing trace with hash -739558388, now seen corresponding path program 1 times [2018-11-28 13:17:47,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:47,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:47,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:47,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:47,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:17:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:17:47,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:17:47,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:17:47,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:17:47,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:17:47,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:17:47,725 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-28 13:17:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:17:47,739 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-11-28 13:17:47,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:17:47,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-28 13:17:47,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:17:47,744 INFO L225 Difference]: With dead ends: 54 [2018-11-28 13:17:47,744 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 13:17:47,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:17:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 13:17:47,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-28 13:17:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 13:17:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-28 13:17:47,768 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-11-28 13:17:47,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:17:47,769 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-28 13:17:47,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:17:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-28 13:17:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:17:47,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:17:47,769 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:47,770 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:17:47,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:47,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1668428866, now seen corresponding path program 1 times [2018-11-28 13:17:47,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:47,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:47,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:47,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:47,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:47,874 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:17:47,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:17:47 BoogieIcfgContainer [2018-11-28 13:17:47,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:17:47,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:17:47,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:17:47,893 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:17:47,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:47" (3/4) ... [2018-11-28 13:17:47,896 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:17:47,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:17:47,896 INFO L168 Benchmark]: Toolchain (without parser) took 807.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -116.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,898 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:17:47,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.35 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.70 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,899 INFO L168 Benchmark]: Boogie Preprocessor took 56.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,900 INFO L168 Benchmark]: RCFGBuilder took 219.93 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,900 INFO L168 Benchmark]: TraceAbstraction took 343.81 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,901 INFO L168 Benchmark]: Witness Printer took 3.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:17:47,903 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.35 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.70 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.93 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 343.81 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 73]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of bitwiseAnd at line 38. Possible FailurePath: [L68] double x = -1.0 / 0.0; [L69] CALL, EXPR fabs_double(x) VAL [\old(x)=6442450952] [L45] __uint32_t high; VAL [\old(x)=6442450952, x=6442450952] [L47] ieee_double_shape_type gh_u; [L48] gh_u.value = (x) [L49] EXPR gh_u.parts.msw [L49] (high) = gh_u.parts.msw [L52] ieee_double_shape_type sh_u; [L53] sh_u.value = (x) [L54] sh_u.parts.msw = (high & 0x7fffffff) [L55] EXPR sh_u.value [L55] (x) = sh_u.value [L57] return x; VAL [\old(x)=6442450952, \result=6442450952, high=2147483666, x=6442450952] [L69] RET, EXPR fabs_double(x) VAL [fabs_double(x)=6442450952, x=6442450952] [L69] double res = fabs_double(x); [L72] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450952] [L31] __int32_t hx, lx; VAL [\old(x)=6442450952, x=6442450952] [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (x) [L35] EXPR ew_u.parts.msw [L35] (hx) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (lx) = ew_u.parts.lsw [L38] hx &= 0x7fffffff [L39] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L40] hx = 0x7ff00000 - hx [L41] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450952, \result=0, hx=2146435072, lx=-2147483648, x=6442450952] [L72] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, res=6442450952, x=6442450952] [L72] COND TRUE !isinf_double(res) [L73] __VERIFIER_error() VAL [res=6442450952, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 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=31occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:17:49,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:17:49,312 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:17:49,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:17:49,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:17:49,320 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:17:49,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:17:49,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:17:49,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:17:49,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:17:49,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:17:49,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:17:49,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:17:49,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:17:49,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:17:49,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:17:49,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:17:49,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:17:49,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:17:49,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:17:49,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:17:49,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:17:49,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:17:49,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:17:49,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:17:49,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:17:49,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:17:49,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:17:49,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:17:49,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:17:49,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:17:49,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:17:49,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:17:49,341 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:17:49,341 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:17:49,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:17:49,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:17:49,353 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:17:49,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:17:49,354 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:17:49,354 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:17:49,354 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:17:49,354 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:17:49,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:17:49,355 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:17:49,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:17:49,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:17:49,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:17:49,357 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:17:49,357 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_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/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 -> 56df0817616f6c5016a1ac832f32db0c87e1c370 [2018-11-28 13:17:49,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:17:49,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:17:49,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:17:49,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:17:49,395 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:17:49,395 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-11-28 13:17:49,440 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/bb0bf1880/931719e63c3b44f095d027e5a0fd1626/FLAG88aa1197b [2018-11-28 13:17:49,838 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:17:49,839 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-11-28 13:17:49,843 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/bb0bf1880/931719e63c3b44f095d027e5a0fd1626/FLAG88aa1197b [2018-11-28 13:17:49,853 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/data/bb0bf1880/931719e63c3b44f095d027e5a0fd1626 [2018-11-28 13:17:49,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:17:49,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:17:49,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:17:49,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:17:49,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:17:49,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:17:49" (1/1) ... [2018-11-28 13:17:49,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360ce72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:49, skipping insertion in model container [2018-11-28 13:17:49,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:17:49" (1/1) ... [2018-11-28 13:17:49,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:17:49,883 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:17:49,995 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:17:49,999 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:17:50,018 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:17:50,037 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:17:50,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50 WrapperNode [2018-11-28 13:17:50,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:17:50,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:17:50,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:17:50,038 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:17:50,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:17:50,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:17:50,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:17:50,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:17:50,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... [2018-11-28 13:17:50,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:17:50,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:17:50,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:17:50,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:17:50,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:17:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 13:17:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-28 13:17:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-28 13:17:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 13:17:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:17:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:17:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-28 13:17:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-28 13:17:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:17:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:17:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:17:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 13:17:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:17:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:17:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 13:17:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:17:50,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:17:50,284 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:17:50,331 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:17:50,359 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:17:50,359 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 13:17:50,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:50 BoogieIcfgContainer [2018-11-28 13:17:50,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:17:50,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:17:50,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:17:50,362 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:17:50,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:17:49" (1/3) ... [2018-11-28 13:17:50,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df82a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:17:50, skipping insertion in model container [2018-11-28 13:17:50,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:50" (2/3) ... [2018-11-28 13:17:50,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df82a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:17:50, skipping insertion in model container [2018-11-28 13:17:50,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:50" (3/3) ... [2018-11-28 13:17:50,365 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b_true-unreach-call.c [2018-11-28 13:17:50,370 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:17:50,375 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:17:50,383 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:17:50,402 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:17:50,402 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:17:50,402 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:17:50,403 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:17:50,403 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:17:50,403 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:17:50,403 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:17:50,403 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:17:50,403 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:17:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-28 13:17:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 13:17:50,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:17:50,417 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:50,418 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:17:50,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:50,421 INFO L82 PathProgramCache]: Analyzing trace with hash 603222923, now seen corresponding path program 1 times [2018-11-28 13:17:50,424 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:17:50,424 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 13:17:50,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:17:50,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:17:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:17:50,489 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:17:50,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:17:50,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:17:50,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:17:50,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:17:50,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:17:50,510 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-28 13:17:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:17:50,522 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-11-28 13:17:50,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:17:50,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-28 13:17:50,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:17:50,528 INFO L225 Difference]: With dead ends: 52 [2018-11-28 13:17:50,528 INFO L226 Difference]: Without dead ends: 26 [2018-11-28 13:17:50,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:17:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-28 13:17:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-28 13:17:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-28 13:17:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-28 13:17:50,553 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-11-28 13:17:50,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:17:50,553 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-28 13:17:50,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:17:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-28 13:17:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:17:50,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:17:50,554 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:50,554 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:17:50,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash -460417459, now seen corresponding path program 1 times [2018-11-28 13:17:50,555 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:17:50,555 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-28 13:17:50,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:17:50,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:17:50,710 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:50,710 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:50,711 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:50,712 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:50,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 73 [2018-11-28 13:17:50,764 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2018-11-28 13:17:50,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:17:50,804 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-28 13:17:50,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-28 13:17:50,823 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:17:50,857 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:50,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-28 13:17:51,093 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:66, output treesize:46 [2018-11-28 13:17:51,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 87 [2018-11-28 13:17:51,198 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 67 [2018-11-28 13:17:51,330 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-11-28 13:17:51,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2018-11-28 13:17:51,331 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,342 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-28 13:17:51,413 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:114, output treesize:56 [2018-11-28 13:17:51,659 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:51,659 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:51,660 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:51,661 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:17:51,662 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 98 [2018-11-28 13:17:51,754 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 71 [2018-11-28 13:17:51,789 INFO L478 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 12 treesize of output 4 [2018-11-28 13:17:51,789 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,821 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-28 13:17:51,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 5 [2018-11-28 13:17:51,855 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,860 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-11-28 13:17:51,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2018-11-28 13:17:51,895 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,905 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,917 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:17:51,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 13:17:51,934 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:82, output treesize:28 [2018-11-28 13:17:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:17:52,277 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:17:52,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:17:52,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-28 13:17:52,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:17:52,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:17:52,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:17:52,287 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-11-28 13:17:53,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:17:53,571 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-28 13:17:53,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:17:53,571 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-11-28 13:17:53,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:17:53,571 INFO L225 Difference]: With dead ends: 26 [2018-11-28 13:17:53,571 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:17:53,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:17:53,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:17:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:17:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:17:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:17:53,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-28 13:17:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:17:53,574 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:17:53,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:17:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:17:53,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:17:53,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:17:53,643 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 44 58) no Hoare annotation was computed. [2018-11-28 13:17:53,644 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 44 58) the Hoare annotation is: true [2018-11-28 13:17:53,644 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 56) no Hoare annotation was computed. [2018-11-28 13:17:53,644 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 44 58) no Hoare annotation was computed. [2018-11-28 13:17:53,644 INFO L448 ceAbstractionStarter]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2018-11-28 13:17:53,644 INFO L448 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-11-28 13:17:53,644 INFO L444 ceAbstractionStarter]: At program point L46-2(lines 46 50) the Hoare annotation is: (= |fabs_double_#in~x| fabs_double_~x) [2018-11-28 13:17:53,644 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 44 58) no Hoare annotation was computed. [2018-11-28 13:17:53,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:17:53,645 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:17:53,645 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:17:53,645 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-11-28 13:17:53,645 INFO L444 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-11-28 13:17:53,645 INFO L448 ceAbstractionStarter]: For program point L32-3(lines 32 37) no Hoare annotation was computed. [2018-11-28 13:17:53,645 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 30 42) no Hoare annotation was computed. [2018-11-28 13:17:53,645 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 30 42) no Hoare annotation was computed. [2018-11-28 13:17:53,646 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 30 42) the Hoare annotation is: true [2018-11-28 13:17:53,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:17:53,646 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 13:17:53,646 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:17:53,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:17:53,646 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 60 78) the Hoare annotation is: true [2018-11-28 13:17:53,646 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 60 78) no Hoare annotation was computed. [2018-11-28 13:17:53,646 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 13:17:53,646 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 60 78) no Hoare annotation was computed. [2018-11-28 13:17:53,647 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64)) (v_prenex_7 (_ BitVec 64))) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53))) (.cse1 ((_ extract 63 32) v_prenex_7))) (and (= .cse0 (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|))) (= ((_ extract 31 0) v_prenex_7) ((_ extract 31 0) |v_q#valueAsBitvector_4|)) (= .cse1 ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (= .cse0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) .cse1) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) main_~res~0)))) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0)) [2018-11-28 13:17:53,647 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 72 75) no Hoare annotation was computed. [2018-11-28 13:17:53,647 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-11-28 13:17:53,647 INFO L444 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-11-28 13:17:53,647 INFO L448 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-11-28 13:17:53,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:17:53 BoogieIcfgContainer [2018-11-28 13:17:53,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:17:53,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:17:53,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:17:53,659 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:17:53,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:50" (3/4) ... [2018-11-28 13:17:53,662 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:17:53,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-28 13:17:53,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:17:53,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-28 13:17:53,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:17:53,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-28 13:17:53,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 13:17:53,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:17:53,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 13:17:53,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-28 13:17:53,705 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a6ef662-6a7c-4130-a1b3-ebc0ce8e7be3/bin-2019/uautomizer/witness.graphml [2018-11-28 13:17:53,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:17:53,706 INFO L168 Benchmark]: Toolchain (without parser) took 3850.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.4 MB in the beginning and 938.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 163.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:53,707 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:17:53,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.38 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:53,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:17:53,708 INFO L168 Benchmark]: Boogie Preprocessor took 56.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -219.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:53,708 INFO L168 Benchmark]: RCFGBuilder took 245.26 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:53,709 INFO L168 Benchmark]: TraceAbstraction took 3297.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.7 MB in the end (delta: 184.5 MB). Peak memory consumption was 184.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:53,709 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 1.2 GB. Free memory was 944.7 MB in the beginning and 938.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:53,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.38 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -219.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 245.26 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3297.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.7 MB in the end (delta: 184.5 MB). Peak memory consumption was 184.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.82 ms. Allocated memory is still 1.2 GB. Free memory was 944.7 MB in the beginning and 938.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 46]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 7 SDslu, 129 SDs, 0 SdLazy, 84 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 100 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 13 QuantifiedInterpolants, 19473 SizeOfPredicates, 7 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...